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19 questions
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- 1. Multiple-choice1 minute1 pt
According to Kinetic Theory: Particles are always moving.
True
False
- 2. Multiple-choice1 minute1 pt
Which of the following statements about the particles of a gas is true?
The particles vibrate about a fixed position.
The particles are far apart and move freely.
The particles are packed close together, but in a disorderly arrangement.
The particles are stationary and orderly.
- 3. Multiple-choice1 minute1 pt
An inflated balloon is placed in a refrigerator. Which statement describes the movement of the gas particles in the balloon?
The particles move faster and become further apart.
The particles move more slowly and become further apart.
The particles move faster and become closer together.
The particles move more slowly and become closer together.
- 4. Multiple-choice1 minute1 pt
When gas particles collide with other particles, they ...
Travel in a spiral.
Lose energy and move slowly.
Stop motion.
Rebound in a straight line.
- 5. Multiple-choice1 minute1 pt
Which phase change occurs between points D and E if heat is removed? (HINT: The slanted lines represent the phases solid, liquid, and gas)
Freezing
Melting
Boiling
Condensation
- 6. Multiple-choice1 minute1 pt
What phase change occurs between points B and C if heat is added?
Freezing
Melting
Boiling
Condensing
- 7. Multiple-choice1 minute1 pt
Thermal energy always moves from :
Warm object to cool object
Object with low KE to object with high KE
Cool object o warm object
Object with high mass to object with low mass
- 8. Multiple-choice1 minute1 pt
A __________ has a definite shape and a definite volume.
Gas
Liquid
Solid
Plasma
- 9. Multiple-choice1 minute1 pt
Two flasks each contain water at 25 degrees Celsius. Which one has more heat energy?
They have the same heat energy because they are the same temperature.
The one on the right has more heat energy because it has less water.
The one on the left has more heat energy because it has more water.
- 10. Multiple-choice1 minute1 pt
Temperature is a measure of an object's average :
electro-static force
heat
density
kinetic energy
- 11. Multiple-choice1 minute1 pt
The state of matter with definite volume but no definite shape.
solid
liquid
gas
plasma
- 12. Multiple-choice1 minute1 pt
Which of the following is true when particles gain thermal energy?
Particles move more slowly.
Particles move closer together.
Particles stop moving.
Particles move further apart.
- 13. Multiple-choice1 minute1 pt
When a substance changes directly from a gas to a solid, it is called :
Deposition
Sublimation
Condensation
Vaporization
- 14. Multiple-choice1 minute1 pt
This diagram represents particles in a __________ state.
solid
liquid
gas
plasma
- 15. Multiple-choice1 minute1 ptThe state of matter having no definite shape or volume.solidliquidgas
- 16. Multiple-choice1 minute1 ptAs a material is heated, it's particles....get smallerslow downget coolermove more quickly
- 17. Multiple-choice1 minute1 ptWhat state of matter forms a geometric pattern? It is also the coldest state of matter.solidliquidgas
- 18. Multiple-choice1 minute1 ptA solid whose name comes from a Greek word meaning "without form."colloidamorphousplasmaliquid crystals
- 19. Multiple-choice1 minute1 ptA measure of the average kinetic energy of the particles in a sample of matter.temperaturemetersecond
