What is the star at the center of our solar system?

• sun
• moon
• Earth
• Saturn

What are rocky, closer to the sun, warmer, and smaller than the outer planets

• asteroids
• outer planets
• inner planets
• the sun

What are farther from the sun, made mostly of frozen gas, and are colder than the inner planets. Most have no moons.

• outer planets
• Pluto
• moons
• space dust

What is a large body of rock or gas that orbits the sun?

• moon
• planet
• Earth
• Jupiter

Name a dwarf planet.

• Saturn
• Pluto
• Mars
• Jupiter

What is the scientific study of outer space?

• astronomy
• biology
• space travel
• science

What is an imaginary line that goes from the North 
Pole and the South Pole?

• linear
• equator 
• axis 
• tilt

What causes seasons?

• the moon's size
• tilting of the Earth's axis
• the sun's position
• the earth's position around the sun

What is the sun and the objects that orbit around it called?

• outer space
• solar system
• cool
• inner space

What is the movement of one object around another?

• rotating
• spinning
• revolution
• tilting