Physics & Chemistry
O B DensiTEACH™ Density Challenge
Experiment with density and discover how it varies among materials with the same volume. Learn how density fluctuates among 2" dia balls that may look the same but are made of different materials with different masses. Kit includes six 2" dia balls in each material (1 ea
Set of 4
vinyl, steel, wood, foam, resin, and polyurethane). Set includes 4 kits. Both include adaptable lesson direction. Scale sold separately. Elementary and up. A STEM Supplies Exclusive! TP37-534 Kit, 4 students .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Set $ 29.95 TP37-535 Set of 4, 16 students .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Set $ 99.95 TP35-822 Digital Scale ................................................. Ea $ 39.95
Plastic
Foam
Rubber Steel O B MeasureMelt™ Thermal Conductors Test various materials to find the best conductor to transfer thermal energy. Start by defining and discussing the material of each block (4"L x 4"W x 1/2" thick)—steel, foam, plastic, and rubber. Then hypothesize which will make ice melt the fastest and why. Kit includes 1 of each block type. Kit includes 4 of each, plus lesson direction adaptable for grades K-3 and 4-8. 32 students. Elementary and Middle School. A STEM Supplies Exclusive! TP37-575 Kit ............................................. Set $ 149.00 TP37-576 Additional Blocks .......................... Set of 4 $ 39.95
O B EvaluWeight™ Explore density by calculating the mass and volume of different items! Fill 6 plastic jars with items like cereal or sand (not included). Predict their weight and order them from lightest to heaviest, then weigh and reorder. Kit includes 6 jars, vinyl mat (32"L x 20"W), scale, and adaptable
Individual
lesson direction. Elementary and up. A STEM Supplies Exclusive! TP35-820 Kit, 6 students .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Set TP35-821 Set of 4, 24 students .......................... Set
$ 149.00 $ 539.00
Magnetic tips represent each atom's free electrons
Scan molecules to learn about them
Complete Set
Happy Atoms Physical and digital set creates hands‑on experiences with chemistry! Students use the magnetic elemental pieces to build molecules. Then students use the interactive app to scan the molecules and learn more! All include lesson and activities manual. Full contents online. Middle School and up. TP35-196 Basic, 2 Students ............................... Set $ 69.95 TP35-194 Deluxe, 6 Students ............................. Set $ 179.00 TP35-195 Deluxe Set of 5, 30 Students .................... Set $ 899.00
O B MatterMotion™ Students act as particles in motion as they alter their movement to represent liquid, gas, and solid forms. Begin by reviewing how the states of matter change through freezing, melting, evaporation, and condensation. Then the teacher selects a card and students identify it as a liquid, gas, or solid and act how the particles move. Set includes 31 cards, two 12”H vinyl cones (1 ea blue, green), and card storage. 24 students. Elementary and up. ^ CHOKING HAZARD (1). Not for under 3 yrs.* A STEM Supplies Exclusive! TP37-678 .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Set $ 49.95 ^ *For full CHOKING HAZARD descriptions, see page 136.
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