Space Science Quiz

What are asteroids?

• Large planets made up of gases

• Irregularly shaped rocks that orbit stars

• Nearly round objects smaller than a planet

• Solid objects that travel around a planet

What are comets made of?

• Ice and dust

• Hot gases

• Water

• Rocks

What is the core of an object?

• The surface

• The atmosphere

• The center

• The outer layer

What causes craters on the ground?

• Volcanic eruptions

• Impact of an object from space

• Erosion

• Earthquakes

What are dwarf planets?

• Irregularly shaped rocks that orbit stars

• Large planets made up of gases

• Nearly round objects smaller than a planet

• Solid objects that travel around a planet

What are gas giants mainly made up of?

• Rocks

• Ice

• Water

• Gases

What is gravity?

• The force that creates sound

• The force that creates light

• The force that pushes objects apart

• The force that pulls all objects toward each other

What are moons?

• Irregularly shaped rocks that orbit stars

• Large planets made up of gases

• Nearly round objects smaller than a planet

• Solid objects that travel around a planet

What does orbiting mean?

• Staying still

• Changing shape

• Moving in a straight line

• Revolving around another object

What are planets?

• Very large objects that orbit a star

• Small objects that orbit a planet

• Objects that orbit the moon

• Objects that orbit the sun