S17 ScienceLLC
Our unique products enable learners to gather more accurate data easier. Science is a Verb!
Categories
Wong Publications, Parts, T-Shirts, etc
Canadian customers interested in Harry K Wong Publications should click or tap here
The supplies listed below replace the components found in the S17 Science Kits. All prices are in US$. Customers interested in the items LISTED below or in DISCOUNT PRICING please call 1-718-975-8135. NOTE: You must phone to order the items listed below you cannot order them by clicking or tapping on them, so to order note the SKU and price and phone 1-718-975-8135 and ask for Shoshi.
The Items listed below are organized under the following categories:
- Plastic Connectors
- Rubber Stoppers and Tubing
- Apparatus
- Fun Stuff
- T-Shirts
- Files to Download
| SKU | PICTURE | DESCRIPTION OF LISTED ITEM | PRICE (US$) |
| *** | PLASTIC CONNECTORS | *** | |
| EQ 066 | Stopcock |
plastic, 2 port, Spinner/Female Luer lock These stopcocks have one male Luer lock on the right in the picture and one female Luer connection on the left. The male lock has a spinner to make the connection secure. Stopcocks control the flow of liquids and gases. The Luer on the left of the image enables an air tight connection with a syringe. The Luer lock on the right enables an air tight connection with an extender, EQ 077, which in turn can be connected to plastic vinyl tubing which in turn can be used to connect with glass apparatus such as glass tubing and side arm flasks. Used in Kits EQ 059, EQ 060, EQ 877, EQ 888, EQ 889 and EQ 899 CALL 718-975-8135 to purchase. DISCOUNT PRICING: 10 Stopcocks: $23.80 ($2.38/stopcock) 25 Stopcocks: $56.25 ($2.25/stopcock) More than 50: $2.13/stopcock |
$2.50 |
| EQ 069 | Stopcock |
plastic, 2 port, Slip/Female Luer Lock Stopcocks control the flow of liquids and gases. The Luer on the right of the image enables an air tight connection with a syringe. The slip fitting enables an air tight connection with plastic vinyl tubing or a 1-hole or 2-hole rubber stopper, which in turn can be inserted into test tubes or flasks. Used in Kits EQ 888, EQ 889 and EQ 899 CALL 718-975-8135 to purchase. DISCOUNT PRICING: 10 Stopcocks: $23.80 ($2.38/stopcock) 25 Stopcocks: $56.25 ($2.25/stopcock) More than 50: $2.13/stopcock |
$2.50 |
| EQ 077 | Extender |
plastic connector, 2 port,The syringe extender has a Luer lock, shown on the left end of the image, and a threaded tapered tip on the right. The extender is used to make an air tight connection between a syringe and plastic vinyl or rubber tubing or rubber stoppers. Used in Kits EQ 059, EQ 060 EQ 877, EQ 888, EQ 889 and EQ 899 CALL 718-975-8135 to purchase. DISCOUNT PRICING: 10 Extenders: $19.00 ($1.90/extender) 25 Extenders: $45.00 ($1.80/extender) More than 50: $1.70/extender |
$2.00 |
| EQ 201 | Adapter |
plastic connector, 2 port, Slip/Female, The adapter has a male Luer lock, the left of the image and a slightly tapered slip connector on the right. The Luer connects to the female Luer on the stopcock and the slip connector connects to plastic vinyl tubing or it can be inserted in a one-hole or two-hole rubber stopper. Used in Kits EQ 888, EQ 889 and EQ 899 CALL 718-975-8135 to purchase. DISCOUNT PRICING: 10 Adapters: $13.30 ($1.33/adapter) 25 Adapters: $31.50 ($1.26/adapter) More than 50: $1.19/adapter |
$1.40 |
| EQ 083 | Syringe lock |
plastic one female Luer lock The Luer lock is on the top in the image. This lock seals all sizes of syringes when gases are compressed. CALL 718-975-8135 to purchase. DISCOUNT PRICING: 10 Locks: $4.80 ($0.48/Syringe lock) 25 Locks: $11.25 ($0.45/Syringe lock) More than 50: $0.43/Syringe lock |
$0.50 |
| EQ 072 | Stopcock |
plastic, 3 ports can be configured in several ways involving types of locks and their orientation. Examples: 1 slip and two female Luer locks as shown another example two spinner male Luer locks and one female. Stopcocks control the flow of liquids and gases. The Luer on the bottom of the image enables an air tight connection with a syringe. The slip fitting enables an air tight connection with plastic vinyl tubing or a 1-hole or 2-hole rubber stopper, which in turn can be inserted into test tubes or flasks. CALL 718-975-8135 to purchase. DISCOUNT PRICING: 10 Stopcocks: $23.80 ($2.38/stopcock) 25 Stopcocks: $56.25 ($2.25/stopcock) More than 50: $2.13/stopcock |
$2.50 |
| *** | RUBBER STOPPERS and TUBING | *** | |
| EQ 238 | Rubber Stopper |
A bag of 25 #1 1-hole stoppers. This rubber stopper is used in all the S17 Science Gas Kits. It also can be used in regular sized test tubes. One-hole #1 Used in Kits EQ 877, EQ 888, EQ 889 and EQ 899 CALL 718-975-8135 to purchase. DISCOUNT PRICING: 10 Stoppers: $2.37 ($0.24/stopper) 25 Stoppers: $5.62 ($0.22/stopper) 50 Stoppers: $10.25 ($0.20/stopper) More than 50: $0.18/stopper |
$0.25 |
| EQ 773 | Rubber Stopper |
S17 Science Gas Stopper: 3-hole, one hole fits a digital thermometer or temperature probe and two holes fit extenders. This proprietary rubber stopper was designed by Irwin Talesnick to fit a standard Mason Jar. When inserted in a Mason jar and with the Mason Jar ring secure it becomes a container that you can use to study safely the impact of pressures above atmospheric. The nature of the Jar, ring and rubber stopper enable inside pressures to reach 600 mm of Hg or 80 kPa above atmospheric pressure safely. The stopper is an essential part of Gas Kits EQ 888, EQ 889 and EQ 899. With these kits students can study the properties of gases and vapours. A manual describing 12 experiments that can be performed by students using these kits, the "S17 Science Gas Kit Manual" DOC 001 can be download from this site free. CALL 718-975-8135 to purchase. DISCOUNT PRICING: 5 Stoppers: $95.00 ($19.00/stopper) 10 Stoppers: $170.00 ($17.00/stopper) More than 10: $15.00/stopper |
$20.00 |
| EQ 075 | Vinyl Tubing |
Plastic Vinyl Tubing (Clear, Colorless) Inner diameter 1/4" (6.3 mm), outer diameter 3/8" (9.5 mm). This is the tubing commonly used by plumbers. It is rated to withstand 4 atmospheres pressure. This is very much higher than what would be encountered in normal laboratory conditions. The tubing is ideal for water and most gases. It is resistent to acids, bases, oils and most solvents hence it is ideal for all school laboratory uses. The price is less than one-half of the price found in most science catalogs. We'll sell it by the foot, or by the roll. A full roll of tubing is 100' (30 m). Buy a whole roll and save even more. Used in Kits EQ 888, EQ 889 EQ 999 CALL 718-975-8135 to purchase. DISCOUNT PRICING: 10 Feet Tubing: 15.00 ($1.50/ft) 25 Feet Tubing: $35.00 ($1.40/ft) 50 Feet Tubing: $60.00 ($1.20/ft) |
$1.50/ft |
| *** | APPARATUS | *** | |
| EQ 064 | Pressure Gauge |
S17 Science dual scale pressure gauge. The pressure scales are 0-760 mm of mercury and 0-100 kPa. Your students will be able to "see" the relationship between different pressure units, and to appreciate the meaning of the units. This gauge is used in Kits 877, 888, 889, 899, CALL 718-975-8135 to purchase. DISCOUNT PRICING: 5 Gauges: $115.00 ($23.00/gauge) 10 Gauges: $220.00 ($22.00/gauge) Package of 20: $400.00 ($20.00/gauge) More than 20: $19.00/gauge |
$25.00 |
| EQ 116 | Hoffman |
With this kit you only have to add the electrolyte and connect a power supply. You will want to have a number of these kits in your classroom. The kit consists of:
The approximate dimensions of the apparatus are: height 26 cm, width 10 cm, Diameter of tubes 1.0 cm, total volume 100 mL (NOTE Parts for this kit are also available) CALL 718-975-8135 to purchase. DISCOUNT PRICING: 3 Hoffmans: $405.00 ($135.00/kit) 5 Hoffmans: $625.00 ($125.00/kit) 10 Hoffmans: $1100.00 ($110.00/kit) More than 10: $100.00/kit |
$145.00 |
| EQ 016 | Digital Thermometer |
No more worries about broken thermometers or spilled mercury! Now you can get a safer alternative that won't bust your budget! The Flinn Scientific digital thermometer is compact, waterproof, and easy to use. The shorter-length (4 3/4") probe and lightweight (36 g) design allows you to take temperatures in test tubes, flasks, or even small beakers with little chance of tipping them over. Features include an on/off switch, ºC/ºF button, data hold button, 0.7 sec. sampling rate, and automatic shutoff after 10 minutes. Stainless steel probe fits in its own plastic case with a pocket clip. 8" overall length. Uses one 1.5-volt battery, included. Please note the most recent model differs slightly from the photo in the placement of buttons. Two large buttons on the the front, on/off and hold. Two buttons on the back, top ºC/ºF bottom reset. Temperature Range: -50 to +150 ºC / -58 to +300 ºF Resolution: 0.1 ºC / 0.2 ºF Accuracy: ± 1 ºC / ± 2 ºF" CALL 718-975-8135 to purchase. DISCOUNT PRICING: 5 Thermometers: $100.00 ($20.00/thermometer) 10 Thermometers: $180.00 ($18.00/thermometer) 25 Thermometers: $400.00 ($16.00/thermometer) 50 Thermometers: $750.00 ($15.00/thermometer) More than 50: $13.50/thermometer |
$22.00 |
| EQ 192 | Spectroscope |
These plastic spectroscopes can be used to analyze the light emitted by the gas in a gas discharge tube, or the light emitted by a salt or salt solution that has been heated in an open flame. The wavelength scale in the spectroscope allows students to identify the salt that has been heated, or at least to identify the metallic (anions) that are part of the salt. Students will see, first-hand, that each element only emits specific wavelengths of light. This can be used to lead immediately into atomic structure. Later on, during a unit on qualitative analysis the students can use flame test to identify specific metallic ions. CALL 718-975-8135 to purchase. DISCOUNT PRICING: 5 Spectroscopes: $75.00 ($15.00/spectroscope) 10 Spectroscopes: $135.00 ($13.50/spectroscope) More than 10: $12.50/spectroscope |
$16.00 |
| EQ 190 | Ungraduated Thermometer |
These thermometers are alcohol filled and are usable in the range -10 ºC to 110 ºC. Ungraduated thermometers can be used at any grade level where students are taught to use thermometers and temperature scales. Use them with students from grade 3 to College. There is no scale on the thermometers. Students are required to develop their own temperature scales in order to use these instruments as thermometers. This is the ideal tool to use to teach the significance of temperature scales, and the meaning of "reference points". A set of teaching notes is included. CALL 718-975-8135 to purchase. DISCOUNT PRICING: 5 Thermometers: $47.50 ($9.50/thermometer) 10 Thermometers: $92.50 ($9.25/thermometer) More than 10: $8.50/thermometer |
$10.00 |
| *** | FUN STUFF | *** | |
| GS 002 | Blank Playing Cards |
Box of 700 either RED or BLUE BLANK Playing Cards. The cards are regular, professional looking cards with the Bicycle Logo on one side, and blank on the other side. You can use permanent markers to write on the blank side. For example they can be used to create randomly assigned class groupings by putting a child's name on each card and shuffling the deck. They can also be used to create card games that introduce or review concepts. For example see documents describing the games "Gas Law Rummy", DOC 14 "Crazy Gas Laws" DOC 15 and Experimentation DOC 16 on this site. A box of cards contains 700 cards. The back of the card can be either RED or BLUE. CALL 718-975-8135 to purchase. DISCOUNT PRICING: 2 Boxes: $23.00 ($11.50/box) 5 Boxes: $52.50 ($10.50/box) More than 5: $10.00/box |
$13.00 |
| *** | T-SHIRTS* | *** | |
| T-Shirts: Adult Shirts sizes S M L XL XXL XXXL XXXXL and Junior Shirts sizes M L and Youth Shirts sizes S (ages 6-8) M (ages 10-12) L (ages 14-16) 1 Shirt $20.00** 2 Shirts $38.00 $19.00/shirt (you can mix and match designs) 3 Shirts $55.50 $18.50/shirt 4 Shirts $68.00 $18.00/shirt 5 Shirts $87.50 $17.50/shirt more than 5 shirts $16.50/shirt Our Adult shirts are sized based on the chest size. Small 34 - 36 inches (86 - 91 cm) Medium 38 - 40 inches (96 - 102 cm) Large 42 - 44 inches (107 - 112 cm) X-Large 46 - 48 inches (117 - 122 cm) XX-Large 50 - 52 inches (127 - 132 cm) Our Junior shirts are styled especially for young women. *not all designs are available in all sizes and long sleeve shirts are available in some designs **prices for T-Shirts include FREE shipping within continental USA CALL 718-975-8135 if you have questions or to purchase. |
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| TS 001 | T-Shirt |
Black Scientists Adult Sizes: S M L XL XXL Youth Sizes: M L CALL 718-975-8135 to purchase |
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| TS 002 | T-Shirt |
CAUTION ......I BYTE Adult Sizes: S M L XL XXL CALL 718-975-8135 to purchase |
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| TS 003 | T-Shirt |
Cloning Adult Sizes: M L ONLY CALL 718-975-8135 to purchase |
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| TS 004 | T-Shirt |
DNA The Code of Life Adult Sizes: S M L XL XXL Youth Sizes: S M L CALL 718-975-8135 to purchase. |
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| TS 006 | T-Shirt |
Entropy - a S. Harris cartoon Adult Sizes S M L XL XXL CALL 718-975-8135 to purchase. |
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| TS 007 | T-Shirt |
Evolution - a S. Harris cartoon Adult Sizes: S M L XL XXL CALL 718-975-8135 to purchase. |
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| TS 008 | T-Shirt |
Faster Than A Speeding Bullet Adult Sizes: S M L XL XXL CALL 718-975-8135 to purchase. |
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| TS 009 | T-Shirt |
Favourite Physics Formulas - upside down Adult Sizes: XL ONLY CALL 718-975-8135 to purchase. |
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| TS 030 | T-Shirt |
Favorite Chemistry Formulas - upside down Adult Sizes: L XL ONLY Call 718-975-8135 to purchase. |
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| TS 010 | T-Shirt |
SCIENCE IS A VERB Adult Sizes XL ONLY Call 718-975-8135 to purchase. |
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| TS 013 | T-Shirt |
Then A Miracle Occurs - a S. Harris cartoon Adult Sizes: S M L XL XXL CALL 718-975-8135 to purchase. |
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| TS 015 | T-Shirt |
Opposites Attract Adult Sizes: S M L XL XXL CALL 718-975-8135 to purchase. |
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| TS 016 |
T-Shirt |
Women in Science Adult Sizes: S M L XL XXL Youth Sizes: M L Junior Sizes: M L CALL 718-975-8135 to purchase. |
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| TS 0017 |
T-Shirt |
So You Created Everything - a S. Harris cartoon Adult Sizes S M L XL XXL CALL 718-975-8135 to purchase. |
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| TS 018 | T-Shirt |
Stephen Hawking Adult Sizes: S M L XL XXL CALL 7180975-8135 to purchase |
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| TS 019 | T-Shirt |
This is the Part I Hate - a S. Harris cartoon Adult Sizes: S L XL XXL Youth Sizes: S M L CALL 718-975-8135 to purchase. |
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| TS 020 | T-Shirt |
Stellar Cartography Adult Sizes: S M L XL XXL CALL 718-975-8135 to purchase. |
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| TS 021 | T-Shirt |
North America at Night - glows in the dark Adult Sizes: S M L XL XXL CALL 718-975-8135 to purchase. |
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| TS 022 | T-Shirt |
Periodic Table (White) - radioactive elements glow in the dark, also available in long sleeves call 718-975-8135 for pricing. Adult Sizes: S M L XL XXL Youth Sizes: S M L Junior Sizes: M L CALL 718-975-8135 to purchase. |
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| TS 023 | T-Shirt |
Starry Night - glows in the dark, also available in long sleeves call 718-975-8135 for pricing Adult Sizes: S M L XL XXL Youth Sizes: S M L Junior Sizes: M L CALL 718-975-8135 to purchase. |
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| TS 025 |
T-Shirt |
Black Hole (Black) - printed on both sides Adult Sizes: S M L XL XXL Youth Sizes: S M L Junior Sizes: M L CALL 718-975-8135 to purchase. |
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| TS 026 | T-Shirt |
Black Hole (Red) - printed on both sides Adult Sizes: S M L XL XXL Youth Sizes: S M L Junior Sizes: M L CALL 718-975-8135 to purchase. |
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| TS 027 | T-Shirt |
Black Hole (Purple) - printed on both sides Adult Sizes: S M L XL XXL Youth Sizes: S M L Junior Sizes: M L CALL 718-975-8135 to purchase. |
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| TS 028 | T-Shirt |
Skeleton - printed on both sides Adult Sizes: S M L XL XXL CALL 718-975-8135 to purchase. |
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| TS 029 | T-Shirt |
Solar System - printed on both sides Adult Sizes: S M L XL XXL CALL 718-975-8135 to purchase. |
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| TS 032 | T-Shirt |
Planets Adult Sizes: S M L XL XXL Youth Sizes: M L CALL 718-975-8135 to purchase. |
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| TS 401 | T-Shirt |
Chocolate Adult Sizes: S M L XL XXL Youth Sizes: M L CALL 718-975-8135 to purchase. |
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| TS 402 |
T-Shirt |
Caffeine Adult Sizes: S M L XL XXL Youth Sizes: M L CALL 718-975-8135 to purchase. |
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| TS 403 | T-Shirt |
Geology Rocks Adult Sizes: S M L XL XXL Youth Sizes: M L CALL 718-975-8135 to purchase. |
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| TS 404 | T-Shirt |
Eclipse - printed on both sides Adult Sizes: S M L XL XXL Youth Sizes: M L CALL 718-975-8135 to purchase. |
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| TS 405 | T-Shirt |
Polychrome Star Chart Adult Sizes: S M L XL XXL Youth Sizes: M L CALL 718-975-8135 to purchase. |
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| TS 406 | T-Shirt |
Einstein Simplified Adult Sizes: S M L XL XXL Youth Sizes: S M L Junior Sizes: M L CALL 718-975-8135 to purchase. |
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| *** |  |
S17 SCIENCE FILES: The following files are FREE by emailing Click Here and requesting the file you wish. | *** |
| S17 Science Gas Kit Manual | The document describes all the gas kits designed, built and supplied by S17 Science. It includes suggested instructions for students to do activities using the kits and the Vernier probes and software to study the properties of gases. In addition there are notes for teachers to help teachers use the kits successfully. The document is available in DOCX and PDF file formats. There is also a Vernier Edition of this Manual for use with the Probe Kit EQ 899 To obtain Click Here | FREE | |
| The Avogadro Experiment | The Avogadro Experiment document uses the S17 Science Gas Kit to enable students to discover Avogadro's Principle. Students measure the pressure of several aliquots of two different gases. They then plot pressure versus aliquot. The resulting data coupled with the idea that each 20 mL aliquot of say carbon dioxide under the same conditions would have the same number of molecules enables students to conclude that "equal volumes of all gases at the same temperature and pressure have the same number of molecules". This experiment is not found in texts but it is so fundamental to a student's understanding of introductory chemistry that it should be a part of every introductory chemistry course. The instructions for using the Probe Kit EQ 899 are also available. To obtain Click Here | FREE | |
| It's A Gas |
This is a Word document created by John Eix describing activities and narrative to help teach the properties of gases. The narrative follows a story of inquiry starting with a simple collision model for pressure, making predictions from this model and then designing experiments to test them. As the evidence mounts up from successful predictions the credibility of the model increases. The success of the model gives confidence in creating molecular masses for molecules. There are 6 major labs, two with three parts. The increase in lab activity has been accommodated by reducing time spent on gas law problems from a typical 4 lessons to 2. All problems are solved using the ideal gas equation. The activities have been written to take advantage of the S17 Science gas kits. The document lists objectives, tasks related to gas laws that students can do and lots of problems at various levels of difficulty. There is no charge for this document but S17 Science would appreciate hearing about how you use the document and any successes or non-successes you have with it. Please email JohnFEix@gmail.com with any feedback.
The topics covered include:
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FREE | |
| Vernier S17 Templates | The document includes templates to use with the Vernier software LoggerPro when doing S17 Science Gas experiments. The document is a zip file and includes 4 templates.The templates are used with the Pressure vs Amount, Partial Pressure, Vapour Pressure and Dynamic Equilibrium S17 Science experiments. Vernier also provides templates that can be used with other S17 Science experiments as referenced in the Vernier Edition of the S17 Science Gas Kit Manual. To obtain Click Here |
FREE | |
| Gas Law Rummy | Gas Law Rummy is a card game that helps reinforce the Gas Laws; Boyle's, Gay-Lussac's, Avogadro's and Dalton's Laws. The document describes the rules for the game and how to make up the game using blank playing cards which are available from S17 Science, GS 002. To obtain Click Here |
FREE | |
| Crazy Gas Laws | Crazy Gas Laws is a card game that helps reinforce the Gas Laws; Boyle's, Gay-Lussac's, Avogadro's and Dalton's Laws. The document describes the rules for the game and how to make up the game using blank playing cards which are available from S17 Science GS 002.To obtain Click Here |
FREE | |
| FREE | Relative Masses of Steel Spheres | Relative Masses for Steel Spheres is a student activity using a model of the mass spectrometer, available from Flinn Scientific. In the activity students determine the path of steel spheres using a chord and an angle. From this data and the equation for a simple mass spectrometer students are able to set up relative masses for steel spheres. It reinforces or introduces students to how relative atomic masses were assigned and gives them the opportunity to apply the same reasoning to tangible objects such as steel spheres. To obtain Click Here | FREE |
| Reading the S17 Science Pressure Gauge | The files help teach the students how to read the S17 Science pressure gauge. To obtain Click Here |
FREE | |
| Roles for Working with the S17 Gas Kit | The ideal number of students doing an experiment is two, however you may have to use larger groups. The files suggest roles for groups of five. To obtain Click Here |
FREE | |
| Weather | Weather is a Power Point presentation that applies the gas laws to understand orographic rainfall and chinook winds. It is an excellent way to review the gas laws and help students understand why scientists were interested to study them. To obtain Click Here |
FREE | |
| Experimentation | Experimentation is a simulation game that introduces the concept of uncertainty in measurements and the impact uncertainty has on decision making. The document describes the rules for the game and how to make up the game using blank playing cards which are available from S17 Science, GS 002. To obtain Click Here |
FREE | |
| Intro to Dynamic Equilibrium | Intro to Dynamic Equilibrium is a power point presentation of typical experimental data obtained from the Dynamic Equilibrium Student Lab (see below). The presentation presents the observations in such a manner that the teacher can discuss what happened during the experiment. It can also be used to present the data if you do not have the probes required to actually do the experiment. Presentation NOTES are included. To obtain Click Here |
FREE | |
| Dynamic Equilibrium | Dynamic Equilibrium is a student lab that uses a pressure probe to follow what happens when carbon dioxide is added to water and universal indicator. Any of the major probes can be used to do this experiment but the instructions specifically relate to the Vernier probe and Logger Pro software. The reaction vessel is the S17 Gas Kit Probe Edition EQ 899 To obtain Click Here |
FREE | |
| Dynamic Equilibrium Demo | Dynamic Equilibrium Demo is data that is typically obtained from the student lab called Dynamic Equilibrium. The data was obtained by exporting it from Logger Pro into Excel and PDF formats. If you do not have pressure probes to do the experiment but would like to use the experimental data to show your students then this Excel or PDF file and the power point file called "Introduction to Dynamic Equilibrium" can be used to involve your students in the interpretation of the data. To obtain Click Here |
FREE | |
| Micro Electrolysis of Copper(II) Chloride (aq) | The Micro Electrolysis of Copper(II) Choride(aq) document describes how to use the Vernier Differential Voltage Probe and a micro cell that is constructed from a Petri dish to carry out this electrolysis safely in a high school classroom. Directions for constructing the micro cell are provided. Everything needed to carry out the demonstration with your students, including technology and equipment lists, solution preparation, and a script to help you carry out the lesson. The script describes how to set up a confrontation to introduce electrochemical cells using an electrolytic cell. The chemical reactions require only 4 drops of the copper chloride solution and one drop each of potassium bromide and potassium iodide. The document also describes the low impact of the production of chlorine. To obtain Click Here |
FREE | |
| Mini Electrolysis of Sodium Sulphate(VI)(aq) | This PowerPoint presentation is to be used with the demonstration of the electrolysis of aqueous sodium sulphate with litmus indicator. A mini or student version of the Hoffman (EQ 116) is used with platinum electrodes. Concentration details as well as a script with critical questions are contained in the presentation notes. The presentation allows the teacher to set several confrontations, explore what we mean by conductivity in a solution, evidence for using conservation of electrons in balancing equations, as well as testing for the products of the electrolysis. To obtain Click Here |
FREE |
Display prices in:USD
Why Choose Us?
S17 Science Supplies and Services was established by Irwin Talesnick in order to satisfy the many special needs and requirements of teachers, students and parents who are interested in science and in motivating others in science.
All of our products are the result of over 40 years of experience with teachers and students of all ages and grade levels. As you peruse our products you will notice that we do not stock materials that can be obtained from general science supply companies. We try to supply only those items that you may have difficulty in obtaining elsewhere.
Orange Juice Clock Kit - Standard
[EQ 046]
$32.00USD
I have a set of these to introduce elementary students to the idea of converting chemical to electric energy. They're extremely reliable. And, unlike other clock mechanisms I've played with, they really do work using orange juice, magnesium, and copper.
Date Added: 06/30/2008 by Sandra Eix
Sandy Eix
Director of STEM Learning, Science World BC
About Us
Irwin Talesnick
store founder
S17 Science Supplies and Services was established by Irwin Talesnick in order to satisfy the many special needs and requirements of teachers, students and parents who are interested in science and in motivating others in science. He has encouraged other teachers by supporting their creative ideas, teachers such as Harry Wong, Steve Spangler, Bette Bridges, Andy Cherkas, John Eix and others. S17 Science is currently owned and operated by his daughter Shoshi Talesnick. The company is now called S17 Science LLC and is located in the Bronx in New York. There still is a Canadian outlet based in Toronto, run and operated by Irwin. This site is limited and we cannot sell all our products online. Products that we can accommodate have been listed and you can call and purchase them over the phone. If you are looking for something and cannot find it here please contact us: call (718) 975-8135 Email Shoshi: s17science@gmail.com
