Stanford Achievement Test Stanford Achievement Environment and Earth Science

Question 1

What is the term for the layer of gases surrounding Earth that protects life on the planet?

Accepted Answer

Atmosphere

Answer

The atmosphere is the layer of gases surrounding Earth, providing oxygen to breathe and protecting life from harmful solar radiation.

Question 2

Which of the following is a renewable natural resource?

Accepted Answer

Solar energy

Answer

Solar energy is renewable because it comes from the sun and is continually replenished, unlike fossil fuels which take millions of years to form.

Question 3

What process do plants use to convert sunlight into food?

Accepted Answer

Photosynthesis

Answer

Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to produce glucose and oxygen.

Question 4

What is the water cycle step in which water vapor cools and forms clouds?

Accepted Answer

Condensation

Answer

Condensation occurs when water vapor in the atmosphere cools and changes back into liquid water droplets, forming clouds.

Question 5

Which of the following best describes an ecosystem?

Accepted Answer

A community of living organisms interacting with their physical environment

Answer

An ecosystem includes all living organisms in an area and their interactions with the non-living environment, such as water, soil, and air.

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