5th grade science Air test 1

Front

What causes the four seasons on Earth?

Back

The 23.5° tilt of Earth is the main reason for the seasons.

Front

During which season does the angle of the sun’s rays cover the greatest area?

Back

Winter.

Front

What is the movement of the moon and Earth in relation to the sun?

Back

The moon revolves around Earth, and Earth revolves around the sun.

Front

How should a swimming pool cover be placed to heat the pool effectively?

Back

The black side should be facing outward to absorb the sunlight.

Front

What happens to the motion of a scooter when a strong wind blows against it while a constant force is applied?

Back

The motion slows down.

Front

What is the effect of the sun's angle on the amount of sunlight received on Earth?

Back

The angle of the sun's rays affects how much area the rays cover and the intensity of sunlight.

Front

What is the role of Earth's tilt in seasonal changes?

Back

Earth's tilt causes different parts of the planet to receive varying amounts of sunlight throughout the year.

Front

What is the definition of revolution in astronomy?

Back

Revolution is the movement of one celestial body around another, such as the Earth revolving around the sun.

Front

What is the definition of rotation in astronomy?

Back

Rotation is the spinning of a celestial body on its axis, such as Earth rotating once every 24 hours.

Front

Why does the sun shine directly on the equator all year?

Back

The equator receives direct sunlight because it is perpendicular to the sun's rays throughout the year.