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WorksheetsRockets
Total questions: 10
Worksheet time: 5mins
Who invented gunpowder?
Germans
Americans
Chinese
Russian
What was gunpowder mainly used for?
war
fireworks
weapons
signaling
What were the main uses of rockets?
weapons, signaling and fireworks
weapons, space travel and fireworks
signaling, war and education
space travel, fireworks and war
In what century was the possibility of using rocket science considered?
9th
10th
19th
20th
Who were the three scientists that considered the possibility of using rockets for space travel?
Isaac Newton, Albert Einstein and Robert Kraft ford
Konstantin Tsiolkovsky, Isaac Newton and Nikola Tesla
Michael Faraday, Louis Pasteur and Robert Hooke
Konstantin Tsiolkovsky, Robert Goddard, and Wernher von Braun
A rocket is an "action- reaction" engine.
True
False
What is Newton's third law of motion?
The applied force F equals a constant k times the displacement or change in length.
Forces act in action- reaction pairs that are equal in strength and opposite in direction.
The time rate of change of the momentum of a body is equal in both magnitude and direction to the force imposed on it.
If a body is at rest or moving at a constant speed in a straight line, it will remain at rest or keep moving in a straight line at constant speed unless it is acted upon by a force.
What is a chamber?
A small space inside something (such as a machine or your body).
A material that is burned to produce heat or power.
To move something forward.
A chemical substance produced by a living thing that catalyzes a biochemical reaction.
When does the rocket travels upward against the force of gravity?
When the fuel is used up.
When the rocket's fuel is ignited.
You can make a model rocket using antacid tablets.
True
False
