Earth-Moon-Sun Section 1 and 2

The sun is a __________________ that has eight planets orbiting around it.

• satellite
• comet
• star
• constellation

An object that orbits around a planet is called a

• comet
• constellation
• star
• satellite

What is the name for the pattern or group of stars that people imagined looked like figures, objects, or animals?

• satellite
• Haley's comet
• planet
• constellation

What does “geocentric” mean?

• oval-shaped
• Earth-centered
• small-circled
• sun-centered

Earth spins on an imaginary line that passes from the North Pole to the South Pole. This line is called Earth's

• rotation
• revolution
• horizon
• axis

The motion of the Earth spinning around this imaginary line is called Earth's

• rotation
• revolution
• horizon
• axis

What word is used to describe one object moving around another object?

• orbit
• gravity
• rotation
• revolution

What factor determine the strength of the force of gravity?

• distance between the object
• sizes of the objects
• color of the objects

• weights of the objects

What factor determine the strength of the force of gravity?

• color of the objects

• sizes of the objects
• mass of the objects

• weights of the objects

Why does the sun shine more directly on Earth’s Northern Hemisphere during the summer months?

• The rotation of the sun makes temperatures warmer.
• The tilt of Earth's axis tips the Northern Hemisphere toward the sun.
• The gravitational pull toward the sun is stronger in August.
• Earth's orbit is nearest the sun in the summer.