The air is mostly nitrogen gas.

• True

• False

A forest fire started by lightning is an example of a natural disaster.

• True

• False

Tags

NGSS.MS-ESS3-2

Some bacteria found in soil can turn nitrogen gas into potassium, which is used by plants.

• True

• False

Tags

NGSS.MS-LS2-3

Animals can obtain carbon-rich chemicals by eating plants or eating animals that eat plants.

• True

• False

Tags

NGSS.MS-LS2-3

The boundary where a river feeds into the ocean is called a pond.

• True

• False

Groundwater is stored in tiny holes in soil and rocks.

• True

• False

Tags

NGSS.MS-ESS3-1

Ecosystems cannot be changed by humans.

• True

• False

Tags

NGSS.MS-LS2-4

Reptiles found in a hot desert are active only at night.

• True

• False

A tropical rain forest is rich with life, but it has nutrient-poor soil.

• True

• False

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Sunlight reaches the abyssal zone of the ocean where many types of organisms can be found.

• True

• False

Tags

NGSS.MS-LS1-6