Science Practice Test 4

Welcome to your full GED practice test!
You’ll face Science section, just like in the real exam.
Stay focused and simulate real test conditions. You’ve got this!

⏰ Time’s up! Your responses have been automatically submitted.
Check your score and review your mistakes carefully — each test makes you stronger.

Science Practice Test 4

1 / 40

Which type of energy does a rolling ball have?

2 / 40

Which body system breaks down food so nutrients can be absorbed?

3 / 40

Which gas makes up most of Earth’s atmosphere?

4 / 40

Which type of rock forms from cooled and solidified lava?

5 / 40

An educated, testable prediction is known as a .

6 / 40

Earth’s outermost solid layer is called the .

7 / 40

The part of the plant where photosynthesis mainly occurs is the .

8 / 40

The force that pulls all objects toward the center of Earth is called .

9 / 40

The organelle that produces energy in eukaryotic cells is the .

10 / 40

The process by which liquid water changes to water vapor is called .

11 / 40

Which factors can affect the rate of photosynthesis?

12 / 40

Which Earth processes are caused by the movement of tectonic plates?

13 / 40

Which examples show interactions of living and nonliving components in an ecosystem?

14 / 40

Which observations suggest a chemical reaction has taken place?

15 / 40

Which items are nonrenewable resources?

16 / 40

Which examples show force being applied?

17 / 40

Which factors help increase biodiversity in an ecosystem?

18 / 40

Which examples show physical changes?

19 / 40

Which actions help reduce the amount of carbon dioxide in the atmosphere?

20 / 40

Which organisms perform photosynthesis?

21 / 40

Which change shows evidence of a physical change?

22 / 40

Which factor causes wind?

23 / 40

Which type of energy is stored in the bonds of molecules?

24 / 40

Which tool is best for measuring the volume of a liquid?

25 / 40

Which factor most directly affects ocean tides?

26 / 40

Which organism obtains energy by breaking down dead plants and animals?

27 / 40

Which gas is necessary for human respiration?

28 / 40

Which term describes a testable explanation for a scientific question?

29 / 40

What happens to particles of a substance when temperature increases?

30 / 40

Which planet is known for having a thick atmosphere of carbon dioxide and extreme surface heat?

31 / 40

Which organ system includes the heart and blood vessels?

32 / 40

Which type of electromagnetic wave has the shortest wavelength?

33 / 40

Which process helps weathering break down rocks into smaller pieces?

34 / 40

Which component of blood helps fight infections?

35 / 40

What type of energy is produced when a toaster heats bread?

36 / 40

A student tests how different amounts of fertilizer affect plant height. What is the dependent variable?

37 / 40

Which part of the Earth receives the most direct sunlight year-round?

38 / 40

What force slows down a moving bicycle when the rider stops pedaling?

39 / 40

What change of state occurs when water vapor becomes liquid water?

40 / 40

Which organelle is responsible for storing genetic information in a cell?

Your score is

The average score is 0%

Scroll to Top