Orbital Motion Vocabulary

The force by which a body with mass pulls an object toward its center.

• Gravity

• Orbit

• Revolution

• Mass

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

The curved path of a celestial body around another celestial body.

• Gravity

• Orbit

• Revolution

• Mass

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-1

Going around another object in orbit.

• Gravity

• Revolution

• Orbit

• Weight

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-1

A quantity of matter, measuring the amount of matter in an object.

• Gravity

• Revolution

• Mass

• Weight

Tags

NGSS.MS-PS3-1

A measure of the force of gravity acting on an object's mass

• Gravity

• Orbit

• Mass

• Weight

A quantity having direction. Represented by an arrow.

• Vector

• Velocity

• Inertia

• Magnitude

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

Speed in a given direction. The distance traveled per unit of time, in a given direction.

• Velocity

• Inertia

• Magnitude

• Escape Velocity

The tendency of an object to resist a change in motion

• Inertia

• Magnitude

• Vector

• Satellite

The length of a vector. The numerical value of the force.

• Magnitude

• Vector

• Velocity

• Inertia

The lowest velocity in which a body must have in order to escape the gravitational pull of a celestial body.

• Escape Velocity

• Velocity

• Magnitude

• Vector

Tags

NGSS.HS-PS2-4