Stanford Achievement Test Stanford Achievement Science Concepts 5

Question 1

What is the name of the process by which liquid water changes into water vapor?

Accepted Answer

Evaporation

Answer

Evaporation occurs when liquid water absorbs heat energy and transforms into water vapor, rising into the atmosphere.

Question 2

Which layer of Earth is the thinnest?

Accepted Answer

Crust

Answer

Earth's crust is the outermost and thinnest layer, ranging from about 5 km under the oceans to 70 km under continents.

Question 3

What do we call the transfer of heat through direct contact between objects?

Accepted Answer

Conduction

Answer

Conduction is heat transfer through direct contact, such as a metal spoon becoming hot when placed in a warm soup.

Question 4

Which of the following is NOT a characteristic of living things?

Accepted Answer

Made of metal

Answer

Living things are composed of organic matter and cells, not metal; being made of metal is not a characteristic of life.

Question 5

In which phase of the moon does a full solar eclipse occur?

Accepted Answer

New moon

Answer

A solar eclipse happens during a new moon when the Moon passes directly between the Earth and Sun, blocking sunlight.

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