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Warm Up October 9, 2013

Warm Up October 9, 2013. Which of the following would you consider to be solids? Write a rule for how you made your choices. ___hair gel ___pencil lead ___candle wax ___air ___flour ___cloth ___dish soap ___sponge ___cotton ball. ___ styrofoam ___gum ___cooking oil ___rubber eraser

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Warm Up October 9, 2013

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  1. Warm Up October 9, 2013 • Which of the following would you consider to be solids? Write a rule for how you made your choices. ___hair gel ___pencil lead ___candle wax ___air ___flour ___cloth ___dish soap ___sponge ___cotton ball ___styrofoam ___gum ___cooking oil ___rubber eraser ___paintbrush bristles ___milk ___cloth ___diamond ___play doh

  2. Correct HW p. 72 Correct 2.3 Vocab Booklet Correct “Comparing Energy Changes”

  3. Quiz

  4. Section 3.1: Solids and Liquids • Kinetic Molecular Theory of Matter (KMT) • All matter is made of tiny particles • These tiny particles are in constant motion • Temperature is a measure of the average speed of particles.

  5. Solids • Solids have a definite shape • Particles are always next to same neighbor particles (even though they are moving!) • Solids have a definite volume • Particles are always the same distance from other particles

  6. Solids Particle motion: vibrate in place, do not move relative to other particles

  7. Crystalline and Amorphous Solids Particles in a crystalline solid are in an orderly, geometric arrangement Amethyst Rubber Particles in an amorphous solid are not arranged in a regular pattern

  8. Liquids • Liquids have a variable shape • Particles can slide past each other and have new neighbor particles • Liquids have a definite volume • Spacing between particles remains the same • Liquids are fluids • Fluids are states of matter that can flow

  9. Liquids Particle motion:

  10. Cool Down • Title: Solids and Liquids Double Bubble Map Liquids Solids

  11. Homework • P. 95 #1a-c, #2a-c • Vocabulary Booklet: Solid , liquid, crystalline solid, amorphous solid, surface tension, viscosity

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