Vocabulary Test 3

Front

What is friction?

Back

A force that slows things down by rubbing.

Front

What is hardness in science?

Back

How easily a mineral can be scratched.

Front

What is an ecosystem?

Back

All living and nonliving things interacting in an area.

Front

What is an endangered species?

Back

A species in danger of going extinct.

Front

What is an extinct species?

Back

A species no longer living.

Front

What is gravity?

Back

A force that pulls objects toward each other.

Front

What is a habitat?

Back

The natural environment where an organism lives.

Front

What is a food chain?

Back

A series of organisms each dependent on the next as a source of food.

Front

What is biodiversity?

Back

The variety of life in the world or in a particular habitat.

Front

What is a renewable resource?

Back

A resource that can be replenished naturally.