Science STAAR Review

Front

What is the definition of 'revolution' in the context of celestial bodies?

Back

Revolution refers to the movement of one celestial body around another, such as the Moon revolving around the Earth.

Front

What causes the phases of the Moon?

Back

The phases of the Moon are caused by the changing angles of the Earth, Moon, and Sun, as well as the Moon's revolution around the Earth.

Front

What is the difference between rotation and revolution?

Back

Rotation is the spinning of a celestial body on its axis, while revolution is the movement of a celestial body around another body.

Front

How does the tilt of the Earth's axis affect seasons?

Back

The tilt of the Earth's axis causes different parts of the Earth to receive varying amounts of sunlight throughout the year, leading to the changing seasons.

Front

What season occurs in the Northern Hemisphere when the Earth is tilted towards the Sun?

Back

Summer occurs in the Northern Hemisphere when the Earth is tilted towards the Sun.

Front

What is the significance of the equator in relation to climate?

Back

The equator is significant because it receives direct sunlight year-round, resulting in a warmer climate compared to regions farther from the equator.

Front

What is the role of gravity in the movement of celestial bodies?

Back

Gravity is the force that keeps celestial bodies in orbit around one another, such as the Moon orbiting the Earth and the Earth orbiting the Sun.

Front

What is a lunar eclipse?

Back

A lunar eclipse occurs when the Earth passes between the Sun and the Moon, causing the Earth's shadow to fall on the Moon.

Front

What is a solar eclipse?

Back

A solar eclipse occurs when the Moon passes between the Sun and the Earth, blocking the Sun's light from reaching the Earth.

Front

What is the relationship between the Moon's rotation and revolution?

Back

The Moon rotates on its axis at the same rate that it revolves around the Earth, which is why we always see the same side of the Moon.