Space

Front

What causes the day-and-night cycle on Earth?

Back

Earth spinning on its axis

Front

When a planet spins on its axis, it is said to ___________________. Options: orbit, rotate, revolve, eclipse

Back

rotate

Front

The lunar cycle begins with which moon phase?

Back

New Moon

Front

What causes seasons?

Back

The tilt and revolution of Earth around the sun

Front

What happens when the area you live in tilts away from the sun?

Back

It is winter

Front

How long does it take from one full moon to the next full moon?

Back

About one month.

Front

The greater mass a planet has,

Back

the greater the gravitational force it has

Front

Which planet is the smallest? Options: Mercury, Venus, Earth, Mars

Back

Mercury

Front

What force keeps the planets orbiting the sun? Options: Gravity, Magnetism, Electricity, Friction

Back

Gravity

Front

The moon appears to change shape because of:

• the Moon's revolution around Earth
• the seasons of the year
• the movement of stars and moon in the sky
• Earth's rotation on its axis

Back

the Moon's revolution around Earth