Science G8 Unit 1 Earth, Moon, and Space Science

Front

How long does it take for Earth to rotate once on its axis?

Back

24 hours

Front

What causes the Coriolis effect?

Back

Earth's rotation

Front

On what does the phases of the moon depend?

Back

The position of the sun, Earth, and moon

Front

What two factors work together to keep the Earth and the moon in their orbits?

Back

Gravity and inertia

Front

What determines the strength of the force of gravity?

Back

Mass and distance

Front

How long does it take to complete one cycle of moon phases?

Back

About 29.5 days

Front

What is a galaxy and what shape is the Milky Way galaxy?

Back

A large group of stars; spiral shape

Front

Why do we have leap year?

Back

To account for the extra 0.25 days in Earth's revolution around the sun

Front

What evidence on the surface of Mars indicated that there might have been liquid water present?

Back

Dry riverbeds and channels

Front

Which best describes the planet Earth?

Back

Third planet from the sun, supports life