WVGSA Science 3

Question 1

Which type of rock forms when magma cools and solidifies?

Accepted Answer

Igneous

Answer

Igneous rocks form when magma (underground) or lava (above ground) cools and solidifies.

Question 2

A student pushes two identical boxes across the floor. Box A is pushed with 10 N of force, and Box B is pushed with 20 N of force. Which box accelerates more, assuming friction is the same?

Accepted Answer

Box B, because greater force produces greater acceleration

Answer

According to Newton's second law (F = ma), greater force on the same mass produces greater acceleration.

Question 3

Which of the following organisms is a decomposer in an ecosystem?

Accepted Answer

Mushroom

Answer

Mushrooms (fungi) are decomposers that break down dead organic matter and recycle nutrients back into the soil.

Question 4

What happens to the wavelength of visible light as its frequency increases?

Accepted Answer

Wavelength decreases

Answer

Wavelength and frequency are inversely related; as frequency increases, wavelength decreases.

Question 5

A fossil of a sea creature is found on a mountain. What is the most scientific explanation for this?

Accepted Answer

The mountain was once covered by an ocean

Answer

Marine fossils found in mountains indicate that tectonic forces uplifted what was once a seafloor over millions of years.

(WVGSA) West Virginia General Summative Assessment Practice Test

(WVGSA) West Virginia General Summative Assessment Practice Test

WVGSA Science 3