Environmental Science


Today’s Facts


Video Library

Use the videos below to learn more about Environmental Science





Useful Links



Test Your Knowledge

Environmental Science Quiz

1 / 5

What is the average salinity of seawater?

2 / 5

Angiosperms produce seeds in fruit.

3 / 5

What are earthquakes?

4 / 5

What is a conifer?

5 / 5

Sunlight usable by plants for photosynthesis penetrates about 100 meters into the ocean.

Your score is

The average score is 0%

Environmental Science Knowledge Test

1 / 20

Why do zoos and botanical gardens preserve species?

2 / 20

What is the law of supply and demand?

3 / 20

Most organisms eat only one kind of food.

4 / 20

What is the main food source at the ocean floor?

5 / 20

What is poaching?

6 / 20

What are developing countries characterized by?

7 / 20

The Earth system consists of four parts: geosphere atmosphere hydrosphere and biosphere.

8 / 20

What were commons?

9 / 20

What are developed countries characterized by?

10 / 20

Why do beaches and deserts erode quickly by wind?

11 / 20

Old-field succession occurs when farmland is abandoned.

12 / 20

The lithosphere is a hot liquid layer.

13 / 20

What is germ plasm?

14 / 20

What are deep currents?

15 / 20

Fire ants in the southeastern United States are an example of an invasive exotic species.

16 / 20

What is a threatened species?

17 / 20

What is a habitat conservation plan?

18 / 20

What percentage of Madagascar's original forests remain?

19 / 20

What is radiation?

20 / 20

The Pacific plate is one of Earth's major tectonic plates.

Your score is

The average score is 0%