Gravity

Earth has an _______orbit around the sun.

• free fall

• elliptical

• spherical

• trajectory

What is the shape of planets called?

• cubical

• round

• circle

• spherical

Planets became larger through the process of ___________.

• coalesce

• centrifugal force

• accretion

• inertia

The force created by Earth's rotation is called ___________.

• centrifugal force

• gravitational force

• elliptical force

• hangry force

The amount of matter in an object is called______

• weight

• size

• mass

• happiness

A force of attraction between two bodies is __________

• hydro force

• centrifugal force

• gravitational force

• inertia

Scientist think that the planes came together through __________.

• accretion

• Centrifugal force

• coalesce

• navigation

What is measured in pounds?

• weight

• mass

• inertia

• free fall

When the sun and moon are aligned, they produce ________________.

• tidal range

• inertia

• spring tides

• neap tides

A feeling of weightlessness happens in a state of __________.

• trajectory

• coalexce

• naviation

• free fall