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7th Grade Technology > Rockets > Flashcards

Rockets Flashcards

0
Q

The Russian rocket pioneer who launched the first satellite, animal, and man into space?

A

Sergei Korolev

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1
Q

Who made the first liquid fueled rockets in the modern era?

A

Dr. Robert Goddard

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2
Q

Which of Newton’s laws state, for every action the always an opposite and equal reaction?

A

Newton’s 3rd Law

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3
Q

The name of the first satellite was?

A

Sputnik

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4
Q

The formula for Newton’s second laws states?

A

Force=mass x acceleration

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5
Q

Which law states objects at rest remain at rest and objects in motion remain in motion unless acted on an unbalanced force?

A

Newton’s 1st Law

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6
Q

Newton’s 1st Laws is also known as?

A

Inertia

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7
Q

Which part stabilizes the lower half of a rocket?

A

Fins

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8
Q

Air drag is defined as?

A

Friction caused by the air

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9
Q

The very top of the rocket is called a?

A

Nose cone

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10
Q

Two objects are rolling down the same hill, object A weighs 50 kg and object B weighs 30 kg. Which object will reach the bottom first? Why?

A

Object A because it has more mass.

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11
Q

A system that has sections of the rocket fall off after all of it’s fuel is burned is known as?

A

Staging

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12
Q

Firing multiple engines at once is called?

A

Clustering

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13
Q

STS stands for what regarding the space shuttle?

A

Space Transportation System

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14
Q

What are the two types of rocket fuel commonly used today?

A

solids and liquids

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15
Q

Why are solid rockets more dangerous then liquid rockets?

A

Once started solid rockets can not be stopped until all the fuel is burned.

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16
Q

Werner Von Braun started his rocket career in which country?

A

Germany

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17
Q

Why did NASA stop painting the shuttle’s external fuel tank after STS-1?

A

The paint provided no additional protection and added too much weight.

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18
Q

We sanded the bottle to help?

A

The hot glue stick to our rockets.

19
Q

Astronauts train for their missions in a neutral buoyancy tank filled with?

A

water

21
Q

In space all liquids take on what shape due to surface tension?

A

A sphere

22
Q

True or false - If you are in space and throw a football 50 m.p.h., one hour later it will still be traveling 50 m.p.h.? Why or why not?

A

True - Newton’s 1st Law objects in motion stay in motion

23
Q

Most rockets fall back down to Earth with the aide of what to slow them down?

A

Parachute

24
Q

A g-force the measurement of?

A

Gravity

25
Q

A 100 lb. person experiencing 8 g’s will feel like they weigh?

A

800 lbs.

26
Q

The moon’s gravity is how much less then Earth’s gravity?

A

1/6th

27
Q

The largest rocket ever built was called?

A

Saturn V

28
Q

The first space telescope placed in orbit around the Earth is called?

A

Hubble Space Telescope

29
Q

The study of why things are the way they are and do the things they do is called?

A

Science

30
Q

The practical application of knowledge used to create new products is?

A

Technology

31
Q

To calculate a rockets altitude which field of mathematics is used?

A

Trigonometry

32
Q

How high something is off the ground is called?

A

Altitude

33
Q

If a person on Earth weighs 100 lbs. how much will they weigh on the space station?

A

zero lbs.

34
Q

What complex in space is larger then a football field and is used to conduct hundreds of scientific experiments?

A

International Space Station

35
Q

Who designed the Saturn V rocket?

A

Werner Von Braun

36
Q

The first American to orbit the Earth?

A

John Glenn

37
Q

The first human to orbit the Earth?

A

Yuri Gagarin

38
Q

The first man to step on the Moon?

A

Neil Armstrong

39
Q

Which man was the second to step on the Moon?

A

Edwin “Buzz” Aldrin

40
Q

America’s first sub orbital flight was made by?

A

Alan Shepard

41
Q

The first living creature in earth orbit was what kind of animal?

A

a dog named Laika

42
Q

Spacecraft use what type of force to slow down during re-entry before the parachutes can be used for the final minutes of flight?

A

drag or friction

43
Q

Sputnik

A

The name of the first satellite

44
Q

Friction caused by the air

A

drag

45
Q

a dog named Laika

A

The first living creature in earth orbit was what kind of animal?

7th Grade Technology (1 decks)

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