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Properties of Matter

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  1. Aluminum Density Determination Set Item # P1-1100
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    Set includes 12 samples of aluminum. Students learn that the density of a substance is constant even as its mass and volume change.

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  2. Single Cartesian Diver Item # P1-2000
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    Air has weight, exerts pressure, and can be squeezed and compressed. The Cartesian Diver demonstrates all three properties using hands-on experiments. Single Cartesian Diver is dressed up like a colorful squid.

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  3. Density Rod Set Item # P1-1020
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    Use this discrepant event to test students' understanding of density, buoyancy, and thermal expansion! The aluminum rod floats in cool water and sinks in warm. The PVC rod does the reverse and sinks in cool and floats... Read More
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  4. Assorted Density Block Set Item # P1-1010
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    Equal volume set. One cube each of aluminum, brass, copper, iron, lead, and zinc. 20mm cubes in storage case. Read More
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  5. Quantitative Spectroscope Item # P2-7061
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    Use this durably constructed, economical tool to see and measure different spectra. Brighter and clearer than other spectroscopes. A built in scale measures light wavelengths from 400nm to 700nm with a precision of +/- 5 nm. Read More
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  6. Night Spectra Quest Item # P2-7060
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    The night is alive with lights whose spectra are different, intriguing, and beautiful. Help your students learn how to tell them apart by equipping them with this combination holographic diffraction grating (spectroscope) and pocket-sized spectra chart. Read More
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  7. Crystal Growing Kit Item # C1-3150
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    Observe how crystals grow from solution and how they acquire their symmetrical shapes and sparkling surfaces. Each Classroom Kit contains 30 sets of pre-mixed crystal growing chemical (5 each of 6 types) and 48-page teacher's manual. Read More
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  8. Ball and Ring Apparatus Item # 33-0630
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    This brass ball fits easily through the matching ring when they are both at room temperature. Heat the ball in a flame, and experience the results of thermal expansion. Read More
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  9. Gas Laws and Pressure Discovery Pack Item # P1-2070
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    Don't just teach the gas laws. Let students deduce them with these exploratory activities! Read More
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  10. Elasticity of Gases Demo Item # P1-2075
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    The perfect apparatus for verifying Boyle's Law and other properties of gases. Simply add weights to the top block and measure the volume. Students then plot pressure versus the reciprocal of the volume in search of a straight line. Read More
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