Earth-Sun-Moon System Review

Front

What causes the different moon phases?

Back

The different angles of the moon's lit surface as it revolves around Earth cause moon phases.

Front

What season is it when the northern hemisphere is tilted away from the sun?

Back

Winter.

Front

What do satellites and space probes do?

Back

They gather data.

Front

What was the name of the world's first artificial satellite launched by Russia?

Back

Sputnik 1.

Front

What is the position of Earth when the Southern Hemisphere is experiencing winter?

Back

The Northern Hemisphere is tilted towards the sun.

Front

What are the four main phases of the moon?

Back

New Moon, First Quarter, Full Moon, Last Quarter.

Front

What is an eclipse?

Back

An eclipse occurs when one celestial body moves into the shadow of another celestial body.

Front

What is the difference between a solar eclipse and a lunar eclipse?

Back

A solar eclipse occurs when the moon passes between Earth and the sun, blocking the sun's light. A lunar eclipse occurs when Earth passes between the sun and the moon, casting a shadow on the moon.

Front

What is the role of gravity in the Earth-Sun-Moon system?

Back

Gravity keeps the moon in orbit around Earth and Earth in orbit around the sun.

Front

What is the significance of the tilt of Earth's axis?

Back

The tilt of Earth's axis causes the seasons.