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 should you do with old shoes that you no longer wear?

Back

Recycle or donate the damaged shoes and the small ones.

Front

What is recycling?

Back

Recycling is the process of converting waste materials into reusable materials to reduce waste and conserve resources.

Front

What happens to ice cubes when they melt?

Back

They change from a solid state (ice) to a liquid state (water), demonstrating a physical change.

Front

What is a physical change?

Back

A physical change is a change in the state or appearance of a substance without altering its chemical composition.

Front

How does recycling benefit the environment?

Back

Recycling reduces waste, conserves resources, saves energy, and decreases pollution.

Front

What is an aquifer?

Back

An aquifer is a geological formation that can store and transmit water, often used as a source of groundwater.

Front

What role does clay play in aquifers?

Back

Clay is an impermeable material that separates aquifers, preventing water from mixing between them.

Front

What is the process of evaporation?

Back

Evaporation is the process by which liquid water turns into water vapor, usually due to heat.