year 8 Space topic test

Light Years are a measure of:

• time
• speed
• distance
• light

How many planets are there in our solar system?

• 8
• 9
• 10
• 11

What is the force that keeps the planets orbiting the sun

• Rotational forces
• Velocity
• Torque
• Gravity

what is a comet?

• icy balls orbiting the sun
• hot rock orbiting the sun
• rocky remains of a planet
• metal or rock that enters earths atmosphere

give an example of a natural satellite for the Sun.

• The Moon
• Earth
• A communication satellite
• The Milky way

What is a satellite?

• anything that orbits the sun
• a man made satellite
• a celestial body specifically the sun
• anything orbiting a body of greater mass

what is a meteor?

• icy balls orbiting the sun
• metal or rock that enters Earths atmosphere
• hot rock orbiting the sun
• rocky remains of a planet

what famous scientist was first credited with stating that the Earth did not rotate around the sun 

• Galileo
• Kepler
• Copernicus
• Einstein

What Celestial object divides the "inner" and "outer" planets.

• Icy comets
• An Asteroid Belt
• Empty Space
• Earth

what are the inner planets?

• jupiter, mars, venus, earth
• venus, earth, mars
• jupiter, mars, earth
• mars, venus, earth, mercury