Unit 1 Review-Parklane-Matter

Which statement is correct about the properties of liquids?

• Liquids have a fixed volume but no fixed shape.

• Liquids can be compressed easily.

• Liquids have a fixed shape and volume.

What is the process called when liquid water turns into vapor?

• condensation

• evaporation

• freezing

• melting

What is the process called when water turns into steam?

• Condensation

• Evaporation

• Freezing

Jack and his dad went fishing. On the way, they saw a lake. Which kind of matter is the lake?

• solid

• liquid

• gas

What is everything composed of?

• kilogram

• matter

• energy

• liquid

What is the unit of force in the International System of Units (SI)?

• joule

• newton

• kilogram

What force is shown in the picture?

• push

• pull

What is speed?

• Speed is how tall something is.

• Speed is how fast something is going.

• Speed is how heavy something is.

Bob and Tod are racing toy cars on a ramp. Bob's car starts from rest, while Tod gives his car a gentle push. What is likely to happen to the speed of Tod's car compared to Bob's?

• Tod's car will accelerate faster.

• Tod's car will accelerate slower.

• Both cars will accelerate at the same rate.

Which of the following is typically invisible?

• air

• wood

• water