Pre GED Science Practice Test

This practice test is not related to the GED Ready® – The Official Practice Test, produced and distributed by GED Testing Service LLC.

1. Which system in our body is including the kidneys and bladder?

A.skeletal

B.urinary

C.muscular

D.endocrine

Question 1 of 10

2. At what point does water freeze?

A.120ºC (205ºF)

B.10ºC (34ºF)

C.0ºC (32ºF)

D.15ºC (34ºF)

Question 2 of 10

3. What's the name of an organism that lives in or on another organism and which is deriving its nutrition from that other organism?

A.autotroph

B.heterotroph

C.decomposer

D.parasite

Question 3 of 10

4. In ecosystems, birds are depending on insects for survival. When pesticides are used for controlling the insect population, what will likely happen to the bird population?

A.decrease

B.increase

C.decrease, then increase

D.increase, then decrease

Question 4 of 10

5. What do we call one complete revolution of the Earth around the Sun?

A.day

B.night

C.year

D.month

Question 5 of 10

6. Guess the following liquid:

Clue 1: It is containing the elements of oxygen and hydrogen.
Clue 2: It will freeze at 0 degrees Celsius, 32 degrees Fahrenheit, or 273.15 Kelvin.

A.water

B.milk

C.oxygen

D.plasma

Question 6 of 10

7.

What do we call a material that is not transferring heat very well?

A.applicator

B.insulator

C.protector

D.fuel

Question 7 of 10

8. If a sound source is approaching an observer, the

A.pitch becomes higher

B.pitch becomes lower

C.light becomes bluer

D.light becomes redder

Question 8 of 10

9. In our solar system, Earth is the only planet that has

A.clouds

B.a solid core

C.a solid core

D.oceans of liquid water

Question 9 of 10

10. When a dog is coming to you when you're whistling, what type of behavior is it showing?

A.learned behavior

B.mimicry

C.instinct

D.hibernation

Question 10 of 10

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