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- 1. Multiple Choice
What do you call the energy of motion?
matter
kinetic energy
diffusion
temperature
- 2. Multiple Choice
Anything that takes up space is _____.
a particle
matter
temperature
water
- 3. Multiple Choice
The movement of substances from an area of high concentration to an area of low concentration.
temperature
kinetic energy
diffusion
particles
- 4. Multiple Choice
A small unit of matter.
particle
volume
mass
diffusion
- 5. Multiple Choice
Particles move in ______ with no pattern.
a square
a circle
random motion
- 6. Multiple Choice
The greater the kinetic energy the ______ the temperature.
lower
greater
- 7. Multiple Choice
When particles move faster they bump into each other and need more space. This is called ____.
random motion
diffusion
thermal expansion
thermal contraction
- 8. Multiple Choice
What best describes the particles in a solid?
close together and moving freely
far apart and moving freely
close together and vibrating in place
far apart and vibrating in place
- 9. Multiple Choice
When a substance is heated, the particles gain energy and move apart. The volume of the substance being heated ______.
increases
decreases
stays the same
- 10. Multiple Choice
A liquid thermometer works because liquid ________ when warmed.
expands
contracts
solidifies
condenses
- 11. Multiple Choice
Most highway bridges are built with expansion joints that can move back and forth. What is the reason for this?
expansion joints are cheaper than stationary joints
the materials that make up the bridge will expand and contract with changes in temperature
there is no real good reason to use expansion joints
- 12. Multiple Choice
A large balloon is taken to a shady area and filled with cool air. The balloon is then taken to a bright, sunny location. After a short time, the balloon begins to expand. WHAT explanation does this investigation verify?
A balloon filled with cool air will rise into the atmosphere
the sunlight had no effect on the balloon
as particles gain energy the material takes up more space
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