Science Vocabulary unit 2

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Across
  1. 3. - When energy moves from one place or object to another. For example, heat transfers from the sun to Earth.
  2. 6. Property - A characteristic of matter that can be observed without changing it. For example, color, density, and boiling point are
  3. 8. - When a liquid changes into a gas. For example, puddles of water evaporate in the sun.
  4. 10. - How hot or cold something is, measured with a thermometer. For example, 100°C is the boiling point of water.
  5. 14. - Small, fast movements back and forth. For example, particles in a solid vibrate in place.
  6. 16. Energy - The total energy of particle motion in a substance.
  7. 17. - When a gas changes into a liquid. For example, water vapor condenses into droplets on a cold glass.
Down
  1. 1. - When a liquid changes into a solid. For example, wa freezes into ice.
  2. 2. example, hot soup has more thermal energy than cold soup.
  3. 4. - The form matter takes: solid, liquia, or gas. For example water can be ice, liquid water, or steam.
  4. 5. - When a solid changes into a liquid. For example, ice me water.
  5. 7. - When matter decreases in volume, usually because it gets cooler. For example, air contracts inside a cold balloon.
  6. 9. - The transfer of thermal energy from something warm to something cooler. For example, heat moves from hot chocolate to your
  7. 11. properties.
  8. 12. - When matter increases in volume, usually because it gets warmer. For example, metal expands when heated.
  9. 13. hands.
  10. 15. Change - When matter changes from one state to another. F example, melting is a phase change from solid to liquid.