Gravity and Earth’s Movement

________________ the movement of Earth one time around the Sun.

• Orbit

• Rotation

• Revolution

The Earth is ALWAYS moving.

• True

• False

Earth’s seasons are caused by Earth’s tilted ____________ and Earth’s _____________ around the Sun.

• axis, revolution

• orbit, tides

• rotation, axis

When the Sun faces right at the center of the Earth, we have spring and fall.

• Solstice

• Equinoxes

It takes the Earth 465 days to orbit around the Sun once.

• True

• False

Why Earth's movement is so important?

• It helps us measure time

• It gives us years, days, daytime, and nighttime

• It gives us winter, spring, summer, and fall

• All the above

A force that pulls things toward the center of earth is called _________.

• friction

• motion

• gravity

Earth's gravity acts _______ toward the center of the Earth.

• upward

• downward

Because the tilt of Earth’s axis always points in the same direction, the seasons in the Northern Hemisphere and the Southern Hemisphere are always ___________.

• six months apart

• opposite

• the same

Earth's water levels _________ on the side of Earth facing the moon. 

• rises

• fall

• stay the same