Unit 6: Matter Review

What is an example of a gas?

• Oxygen

• Water

• Iron

• Sand

What is the definition of volume?

• Volume is the amount of space that an object occupies.

• Volume is the weight of an object.

• Volume is the surface area of an object.

• Volume is the density of an object.

What is the definition of mass?

• Mass is the weight of an object measured in pounds or ounces.

• Mass is the amount of matter in an object, usually measured in grams or kilograms.

• Mass is the volume of an object measured in liters or milliliters.

• Mass is the density of an object, calculated as mass divided by volume.

What is melting?

• The process of a substance changing from a gas to a solid.

• The process of a substance changing from a solid to a liquid.

• The process of a substance changing from a liquid to a gas.

• The process of a substance changing from a solid to a plasma.

What is evaporation?

• The process of a solid turning into a liquid.

• The process of a liquid changing into a gas.

• The process of a gas turning into a solid.

• The process of a liquid freezing into a solid.

What are the three main states of matter?

• Solid, liquid, and gas

• Solid, liquid, and plasma

• Solid, gas, and vapor

• Liquid, gas, and steam

What is condensation?

• The process of a gas changing into a liquid.

• The process of a liquid changing into a gas.

• The process of a solid changing into a liquid.

• The process of a gas becoming a solid.

What is an example of a solid?

• A rock

• Water

• Air

• Gelatin

What is matter?

• Matter is anything that has mass and takes up space.

• Matter is a type of energy that can be converted into mass.

• Matter is a substance that can only exist in solid form.

• Matter is anything that can be seen or touched.

What happens to the mass of an object when it is crushed?

• The mass increases due to compression.

• The mass decreases as some matter is lost.

• The mass remains the same; it is still the same amount of matter.

• The mass becomes negligible after crushing.