Rockets & Satellites

Rockets and space shuttles lift into space using Newton's

• first law

• second law

• third law

• fourth law

Describe what happens as a rocket lifts off

A rocket can rise into the air because the gases it expels with a downward action force exert an equal but opposite reaction force on the rocket.

• True

• False

As long as this action force, called ______, is greater than the downward pull of gravity, there is a net force in the upward direction.

Rockets are often used to carry satellites into space.

• False

• True

A _________ is any object that orbits another object in space.

Artificial satellites are designed for many purposes such as

• communications

• military intelligence

• weather analysis

• geographical surveys

The _____________ _____ _______ is an example of an artificial satellite.

The international space station was designed for scientific research

• True

• False

Artificial satellites travel around Earth in a path

• vertical

• horizontal

• circular

• diagonal