Science Matter

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

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

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

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

What will happen if you keep increasing both the pressure and temperature of a liquid?

• It will boil
• It will transpire
• It will melt
• It will solidify

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NGSS.MS-PS1-4

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

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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

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NGSS.MS-PS1-1

What is the basic shape of a liquid?

• A sphere
• The same shape as a gas, only rounder
• A cube
• Whatever the shape of its container is

How can you remove energy from matter?

• By increasing its volume
• By lowering its temperature
• By increasing its pressure
• By boiling it

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

Gases have a tendency to expand. What's the best synonym for "expand?"

• Collide
• Spread out
• Shrink
• Boil

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NGSS.MS-PS1-4

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