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- 1. Multiple Choice
We call H2O molecules that are in a solid state:
Ice
Water
Steam/Vapor
- 2. Multiple Choice
We call H2O molecules that are in a gaseous state:
Ice
Water
Steam or Vapor
- 3. Multiple Choice
The molecules in a liquid move:
A lot and pretty fast.
A medium amount, they slide and glide.
Just a little.
Not at all.
- 4. Multiple Choice
The molecules in a solid move:
A lot and pretty fast.
A medium amount, they slide and glide.
Just a little.
Not at all.
- 5. Multiple Choice
If the H2O molecules in ice are heated, they will start to:
Move faster.
Move slower.
- 6. Multiple Choice
If thermal energy increases:
(Check ALL that apply.)
The temperature gets hotter.
The temperature gets colder.
The molecules move slower.
The molecules move faster.
There is MORE energy overall.
- 7. Multiple Choice
Which of these molecules can be commonly found in all three states?
(Check ALL that apply.)
H2O
CO2
NaCl
- 8. Multiple Choice
What state of matter is position A.?
Solid
Liquid
Gas
- 9. Multiple Choice
What state of matter is position C.?
Solid
Liquid
Gas
- 10. Multiple Choice
What state of matter is position E.?
Solid
Liquid
Gas
- 11. Multiple Choice
What is happening to the TEMPERATURE as we move from E. to A.?
Temperature is increasing.
Temperature is decreasing.
Temperature is staying the same.
- 12. Multiple Choice
What is happening to the MOLECULES as we move from A. to E.?
Molecules are moving faster.
Molecules are moving slower.
Molecules are staying the same.
- 13. Multiple Choice
What are the molecules doing at positions B. and D.?
Molecules are moving faster.
Molecules are moving slower.
Molecules are gaining enough energy to change to the next state.
- 14. Multiple Choice
What is happening to the TEMPERATURE at positions B. and D.?
Temperature is increasing.
Temperature is decreasing.
Temperature is staying the same.
- 15. Multiple Choice
What happens to the chemical structure of H2O when it changes state?
Molecules break apart to form individual atoms.
Molecules join together to form bigger molecules.
Nothing happens to the chemical structure
(It is still H2O even if it is ice, water, or gas.)
- 16. Multiple Choice
What will happen if you keep increasing the temperature of a liquid?
It will boil and become a gas.
It will remain a liquid.
It will solidify/freeze.
- 17. Multiple Choice
How can you remove energy from matter?
By increasing its volume.
By lowering its temperature.
By boiling it.
All of the above.
- 18. Multiple Choice
What do water vapor, liquid water, and ice have in
common?
The same physical properties
The same amount of thermal energy.
The same chemical properties.
- 19. Multiple Choice
Density:
(Check ALL that apply.)
Refers to how much matter is packed into a particular space.
Determines if an object will sink or float.
Is related to temperature.
Can NOT be observed.
Is a measure of how hot or cold something is.
- 20. Multiple Choice
Ice is able to float because:
(Check ALL that apply.)
It is less dense than water.
It has more molecules in a given space than water.
It has less molecules in a given space than water.
It is more dense than water.
It is heavier than water.
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