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Science
9th
grade
BrainPop States of Matter and Matter Changing States
25 questions
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- 1. Multiple Choice
What is matter? Choose the best answer.
Anything that is solid
Anything that takes up space
Anything that has a fixed volume
Anything that can be seen
- 2. Multiple Choice
In what way are liquids different from solids?
Liquid molecules are lighter than solid molecules.
Liquids are made of atoms; solids are made of molecules.
Liquids don't have a fixed shape; solids do.
Liquids are always denser than solids.
- 3. Multiple Choice
What happens to the chemical structure of water when it changes state?
Water molecules break apart to form individual atoms.
Water molecules harden into ice molecules.
Water molecules melt into gas molecules.
Nothing happens to the chemical structure.
- 4. Multiple Choice
What will happen if you keep increasing the temperature of a liquid?
It will boil and become a gas
It will transpire
It will remain a liquid
It will solidify
- 5. Multiple Choice
What do lightning and stars have in common?
Both have no electrical charge
Both contain plasma
Both have a fixed volume
Both contain all three states of matter
- 6. Multiple Choice
Water's chemical formula is "H2O." What does this mean?
Water is composed of hydrogen molecules and oxygen molecules.
A gram of water contains 20 hydrogen atoms.
Each water molecule contains two hydrogen atoms and one oxygen atom.
Water molecules cannot be split into smaller pieces.
- 7. Multiple Choice
What is the basic shape of a liquid?
A sphere
The same shape as a gas, only rounder
A cube
Whatever shape its container is
- 8. Multiple Choice
8. How can you remove energy from matter?
By increasing its volume
By lowering its temperature
By increasing its pressure
By boiling it
- 9. Multiple Choice
Gases have a tendency to expand. What's the best synonym for "expand?"
Collide
Spread out
Shrink
Boil
- 10. Multiple Choice
Where would you find a Bose-Einstein condensate?
Inside stars
At the North Pole
In a science lab
Bose-Einstein condensates exist only in theory
- 11. Multiple Choice
What are the three main states of matter?
Solid, liquid, and gas
Ice, water, and steam
Temperature, pressure, and energy
Hot, cold, and warm
- 12. Multiple Choice
2. Compared to ice, how do molecules of water behave?
They move less freely.
They are locked into a crystal lattice.
They move more freely.
They bounce off one another randomly.
- 13. Multiple Choice
What is the definition of matter?
Matter is anything that is visible.
Matter is anything that has mass and takes up space.
Matter is anything that reflects light.
Matter is anything that absorbs light.
- 14. Multiple Choice
What do water vapor, liquid water, and ice have in common?
The same crystal lattice structure
The same chemical properties
The same physical properties
The same amount of energy
- 15. Multiple Choice
5. What's the easiest way to add energy to matter?
Heating it
Cooling it
- 16. Multiple Choice
6. The melting point of H2O is 0 degrees Celsius. This is the same as its?
Freezing point
Fusion point
Vaporization point
Boiling point
- 17. Multiple Choice
What is it called when a solid turns directly into a gas?
Sublimation
Vaporization
Melting
Fusion
- 18. Multiple Choice
Dry ice has the same chemical properties as what gas?
Helium
Hydrogen
Nitrogen
Carbon dioxide
- 19. Multiple Choice
How do the molecules of a gas behave?
They vibrate in place
They bounce around randomly
They are locked in a crystal lattice
They clump together
- 20. Multiple Choice
If you put a thermometer into a pot of melting ice, when will the temperature rise past zero?
As soon as the ice begins to melt.
After most of the ice has melted.
When the ice begins turning into steam.
When all the ice has melted.
- 21. Multiple ChoiceAt higher temperaturesparticles in an object have less energyparticles in an object move fastera gas contracts
- 22. Multiple Choice
What state of matter?
Solid
Liquid
Gas
Plasma!!!
- 23. Multiple Choice
What state of matter?
Solid
Liquid
Gas
- 24. Multiple Choice
A gas typically consists of:
low energy particles that experience high attractive forces between them.
low energy particles that experience no attractive forces between them.
high energy particles that experience high attractive forces between them.
high energy particles that experience little attractive force between them
- 25. Multiple Choice
Which of the following statements is true regarding the particle structure of liquids? Particles of a liquid are:
very close together, so the liquid cannot easily change its shape.
fast-moving, so they fill the volume of their container.
relatively close together, so they cannot be easily compressed.
very far apart, so they have plenty of room to move around.
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