8th Grade Benchmark Review

Front

What is the energy of motion called?

Back

Kinetic Energy

Front

What is the equation to calculate time?

Back

time = distance ÷ speed

Front

Which organisms are classified as producers in an ecosystem?

Back

Plants and algae

Front

Is the process of rusting a physical or chemical change?

Back

Chemical change

Front

What is the primary source of energy for nearly all ecosystems?

Back

The Sun

Front

What is the energy stored in an object due to its position called?

Back

Potential Energy

Front

What do we call the process by which plants make their own food?

Back

Photosynthesis

Front

What is the term for a group of organisms of the same species living in the same area?

Back

Population

Front

What is the term for the role an organism plays in its ecosystem?

Back

Niche

Front

What is the process called when water vapor turns into liquid water?

Back

Condensation