Day with equal hours of daylight and darkness

• Inertia

• equinox

• penumbra

• solstice

Attraction of one body to another

• gravity

• umbra

• equinox

• orbit

What are the two factors that affect the force of gravity between two objects?

• mass and gravity

• mass and rotation

• mass and distance

• distance and gravity

What is always pointing to the North Star (Polaris)

• the moon

• the sun

• the earth's axis

• the earth's equator

365 is how many days it takes for the earth to do what?

• make one rotation

• revolve around the sun

• see a lunar cycle

• turn on it's axis

Isaac Newton discovered what we know about what?

• the sun

• the starts

• gravity

• space

The part of the shadow where only a portion of the sun is covered

• umbra

• penumbra

• orbit

• solstice

when the moon is Waxing it is

• getting bigger

• getting smaller

• becoming invisible

• creating an eclipse

the amount of moon that is illuminated by the sun never changes

• true

• false

This is a picture of

• lunar eclipse

• solar eclipse