Exploration of Space (2)

"For every action, there is always an equal and opposite reaction. " What is it called?

• Newton's first law

• Newton's second law

• Newton's third law

• Theory of relativity

The gas rushing out of the rocket or balloon is the______and the movement of the object in the opposite direction is the ______.

• reaction, action

• action, force

• reaction, thrust

• action, reaction

•The exhaust exerts a downward force on the air called ______.

• reaction

• action

• friction

• thrust

The fuel burned by the rocket creates a_______ which pushes the rocket upwards.

• action

• vacuum

• thrust

• frictrion

Rockets produce lots of flames as they burn their fuel with _______.

• an oxidiser

• an explosive

• a neutraliser

• carbon dioxide

The ______of a rocket includes the cargo, passengers and equipment.

• payroll

• payload

• propellant

• chamber

The _______ is the area of the rocket where propellants are put under pressure.

• payload

• propellants

• nozzle

• chamber

The first stage of the rocket and the _____ separate from the rocket and spacecraft

• payload fairing

• chamber

• rocket boosters

• solar panels

In _____, the NASA retired all space shuttles.

• 2020

• 2001

• 2016

• 2011

When the fuel in the first stage is used up, this stage separates so as to _______ and ________.

• reduce weight

• reduce friction

• reduce speed

• save fuel