4G Science 2nd 9wks Review

Front

What is a nonrenewable resource?

Back

A nonrenewable resource is a natural resource that cannot be replaced after it is used up, such as oil, coal, and natural gas.

Front

What is a disadvantage of using nonrenewable resources?

Back

The resource cannot be easily replaced after it is used up.

Front

What is a renewable resource?

Back

A renewable resource is a natural resource that can be replenished naturally over time, such as solar energy, wind energy, and biomass.

Front

Do magnets need to touch metal objects to hold them?

Back

No, a magnet does not need to touch a metal object to hold it.

Front

What happens to rocks after oil is extracted?

Back

It is possible for other materials to be stored in the rocks after oil extraction.

Front

What is energy?

Back

Energy is the ability to do work or cause change, and it comes in various forms such as heat, light, and motion.

Front

How do we use energy in our daily lives?

Back

We use energy for cooking, heating, transportation, and powering electronic devices.

Front

What is the role of electricity in food production?

Back

Electricity is used in various stages of food production, including processing, refrigeration, and transportation.

Front

What is friction?

Back

Friction is the force that opposes the motion of an object when it comes into contact with another surface.

Front

What is the effect of friction on a rolling ball?

Back

Friction slows down the rolling ball as it moves across a surface.