Chapter 10 Test

Front

What is topsoil?

Back

Topsoil is the uppermost layer of soil, rich in nutrients and organic matter, where most plant roots grow.

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, and water.

Front

What is coal?

Back

Coal is a fossil fuel formed from ancient plant material, used as a source of energy.

Front

How is the energy in coal related to the Sun?

Back

The energy in coal comes from the sunlight that was captured by plants during photosynthesis millions of years ago.

Front

What is recycling?

Back

Recycling is the process of converting waste materials into new products to prevent waste and reduce the consumption of fresh resources.

Front

Which materials can be recycled?

Back

Commonly recycled materials include paper, glass, metals, and certain plastics.

Front

What is humus?

Back

Humus is a dark, organic material in soil formed from the decomposition of plant and animal matter, important for soil fertility.

Front

What is a natural resource?

Back

A natural resource is a material or substance that occurs in nature and can be used for economic gain, such as water, minerals, and forests.

Front

What is solar energy?

Back

Solar energy is energy from the Sun that can be converted into thermal or electrical energy.

Front

Why is paper easier to recycle than some other materials?

Back

Paper can be recycled multiple times without losing quality, making it more efficient to process compared to some plastics.