SYI Y8 Space

How long is a day on Earth?

• 24 hours
• 12 hours
• 36 hours
• 48 hours

What causes a day?

• Planet's rotation

• Planet's orbit

• Gravitational pull
• Solar flares

How long is a year on Earth?

• 365 days
• 100 days
• 500 days
• 730 days

What causes a year?

• Planets orbit around the sun

• Planets' rotation on its axis

• Gravitational pull
• Moon's orbit

Does everywhere in the world have 4 seasons?

• No
• Yes
• Sometimes
• It varies

What causes seasons?

• Tilt of Earth's axis
• Distance from the sun
• Moon's orbit
• Earth's rotation

If the northern hemisphere is pointing towards the sun, what is the season in the southern hemisphere?

• Winter
• Summer
• Spring
• Fall

Put these into order of size from smallest to largest. Moons, Galaxies, Universe, Planets, Stars.

• Moons, Planets, Stars, Galaxies, Universe
• Universe, Galaxies, Stars, Planets, Moons
• Stars, Galaxies, Universe, Planets, Moons
• Moons, Planets, Galaxies, Stars, Universe

What orbits a planet?

• Moons
• Satellites
• Asteroids
• Comets

What orbits a star?

• Planets
• Moons
• Satellites
• Comets