Q3- Understanding Matter

What is matter?

• A substance that has no mass

• A substance that occupies space

• Anything that has mass and takes up space

• None of the above

Fill in the blank: Under normal conditions, matter is found in three phases, or states: solids, liquids, and ____.

• gases

• plasma

• vapor

• dust

When heat is increased, molecules ____.

• move faster

• move slower

• remain static

• disintegrate

Fill in the blank: When heat is removed from a gas, the molecules lose kinetic energy, move closer together, and ________.

• condense

• expand

• disperse

• evaporate

Which of the following is true about solids?

• Molecules are far apart

• Molecules are close together and vibrate

• Molecules move rapidly

• Molecules slip and slide around each other.

What is the process called when molecules escape from a liquid and move into the air?

• Evaporation

• Sublimation

• Condensation

• Deposition

A substance that has no definite volume or shape.

• gas

• liquid

• solid

Fill in the blank: Further reduction of heat causes the liquid to change into the ______ phase.

• solid

• gas

• vapor

• plasma

Which state of matter has a definite volume but no definite shape?

• Solid

• Plasma

• Liquid

• Gas

Water can be a solid, liquid, and a gas.

• True

• False

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NGSS.MS-ESS2-4

NGSS.MS-PS1-4