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Space travel

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    mo4 32-33
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  • How do extreme temperatures affect rockets?
    metal gets very hot at high speeds
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  • What is rotation?
    the turning of something, like a car wheel
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  • Why can't rockets use rotation to make them go, unlike cars?
    because rockets don't have wheels
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  • What kind of engine do rockets use instead?
    reaction engines
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  • Why do you need two firefighters to hold the hose?
    the force of the water is very strong
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  • What force do rocket engines produce, instead of water?
    high pressure gas
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  • Name the three parts of the Space Shuttle?
    The orbiter, the big external tank and the two solid rocket boosters
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  • What did Sir Isaac Newton discover?
    a scientific principle which says that every action has an equal reaction
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  • If the ____ __ _____ was too strong for the firefighters, they would go flying back in the opposite direction.
    jet of water
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  • These hoses throw out a weight of water that produces a ______ in the opposite direction.
    force
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  • A rocket engine is generally throwing ______ in the form of a high-pressure gas.
    mass
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  • The burning process __________ the mass of fuel so that it comes out of the rocket at high speed.
    accelerates
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  • The SRBs burn for about two minutes and _______ about 3.3 million pounds of thrust each at launch.
    generate
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  • What a rocket needs is a _______ ______.
    reaction engine
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  • The three main engines burn for about eight minutes, generating 375,000 pounds of ______ each during the burn.
    thrust
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  • If you have ever seen the Space Shuttle _______, you will know that there are three parts...
    launch
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