Space

The spinning of the Earth on its axis that causes night and day.

• Rotate
• Revolve

The sun and everything that revolves around it.

• solar system
• galaxy
• universe
• rotation

The imaginary line running through the center of Earth.

• axis
• moon
• constellation
• orbit

The star at the center of our solar system.

• Sun
• moon
• orbit
• axis

The moon appears to change shape because of _____.

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

What causes Earth's seasons?

• the tilt of Earth's axis
• Earth's rotation
• the revolution of the Moon
• Earth's distance from the Sun

The rotation of Earth on its axis causes the pattern of _____.

• night and day
• constellations
• Earth's seasons
• the phases of the moon

Fixed patterns of stars are called _____.

• Constellations
• Nebulas
• orbits
• systems

How are stars DIFFERENT from planets?

• Stars are solid and rocky.
• Stars are made of frozen gases.
• Stars do not move.
• Stars revolve around the Sun.

It takes Earth _________ to make one complete rotation on its axis.

• 24 hours
• 365 days
• 28 days
• 24 days