Match the following definitions (or descriptions) to the terms listed below them.

- An oval path that a satellite follows as it orbits the earth.
- Projectile
- Parabola
- Satellite
- Ellipse
- Escape speed

- A projectile must reach this speed to escape the gravitational pull of the earth.
- Projectile
- Parabola
- Satellite
- Ellipse
- Escape speed

- A small body that orbits a larger celestial body; e.g., the moon orbiting the earth.
- Projectile
- Parabola
- Satellite
- Ellipse
- Escape speed

- An object that is moving under the influence of gravity.
- Projectile
- Parabola
- Satellite
- Ellipse
- Escape speed

- A curved path that a projectile follows when under only the influence of gravity (near the earth).
- Projectile
- Parabola
- Satellite
- Ellipse
- Escape speed

- Copyright by PhysicsWorld.Org, 2005. All rights reserved.
- This material may not be redistributed or republished in any form, whether paper or electronic, without express written permission from PhysicsWorld.Org.