Science Unit 2 Review

Front

What are natural resources?

Back

Natural resources are materials or substances that occur in nature and can be used for economic gain, such as water, minerals, and forests.

Front

What is a manmade resource?

Back

Manmade resources are materials or substances that are created by humans, such as buildings, roads, and machines.

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 hydroelectric energy.

Front

What is a nonrenewable resource?

Back

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

Front

What is coal?

Back

Coal is a black or brownish-black sedimentary rock that is used as a fuel source for electricity and heat.

Front

What is the advantage of using coal?

Back

One advantage of using coal is that it is cheap to mine, making it an affordable energy source.

Front

What powered the industrial revolution?

Back

Coal powered the industrial revolution, providing energy for factories and transportation.

Front

What does it mean to conserve natural resources?

Back

To conserve natural resources means to use them wisely and save them for the future.

Front

What is solar energy?

Back

Solar energy is energy that comes from the sun and can be converted into electricity or heat.

Front

What is wind energy?

Back

Wind energy is energy that is generated from the movement of air and can be used to produce electricity.