Science Midyear Review

Front

What is the source of heat that caused the candy bar to melt?

Back

The temperature of the room.

Front

What is cloth considered in terms of heat transfer?

Back

Cloth is a good insulator.

Front

What conclusion can be drawn from finding shell fossils in a desert rock?

Back

Millions of years ago, the desert was an ocean.

Front

What is the most likely order of water samples from hottest to coldest if R is the hottest?

Back

R, P, Q.

Front

What type of soil is best for growing plants?

Back

Loam.

Front

What is an insulator?

Back

A material that does not allow heat or electricity to pass through easily.

Front

What is a conductor?

Back

A material that allows heat or electricity to pass through easily.

Front

What is the purpose of a thermometer?

Back

To measure temperature.

Front

What does it mean if a material is a good insulator?

Back

It means it keeps heat from escaping or entering.

Front

What can fossils tell us about the past?

Back

Fossils can provide evidence of what the environment was like millions of years ago.