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Chapter 6 Study Guide
Terms in this set (52)
Which term names a device that expels gas in one direction in order to move in the opposite direction?
A jet airplane uses liquid fuel and oxygen from the atmosphere. The engine expels hot gases to the rear and the airplane moves forward. Is a jet a type of rocket? Explain.
Yes, because a jet expels gas in one direction in order to move forward.
What is any object that revolves around another object in space?
After the Soviet Union launched Sputnik I, America educators improved math and science education. Why?
The U.S improved education because they wanted to regain technological ground it appeared to have lost to its Soviet rival.
Rocket technology originated in _____ hundreds of years ago and then gradually spread to other parts of the world.
A _____ moves forward when gases shooting out the back of the _____ push it in the opposite direction.
A rocket demonstrates a basic law of physics:
For every force, or action, there is an equal and opposite force, or reaction.
The force shooting out of the rocket is an ____. An equal force-the ______-pushes the rocket forward.
Action force; reaction force
The reaction force that propels a rocket forward is the...
Speed in a given direction.
Oxygen is mixed with the fuel (a dry explosive chemical)
The rocket can be triggered from a distance by an igniter.
Once the fuel is ignited, it burns until all of it is gone.
Oxygen and the fuel are liquid form, stored separately.
When the rocket fires, the fuel and oxygen are pumped into the same chamber and ignited. The burning of fuel can be controlled.
This type expels charged gas particles out of the engine.
Ion rockets are very fuel-efficient
The velocity a rocket must achieve to establish an orbit around Earth.
The velocity a rocket must reach to fly beyond a planet's gravitational pull.
The main advantage of a multistage rocket is that the total weight of the rocket is greatly ______ as the rocket rises.
In a ______, smaller rockets, or stages, are placed one on top of the other and then fired in succession.
The space race was the rivalry between the _______ and the ________ to explore space. It begun in ____, when the ____ launched the satellite ______ into orbit. The _______ responded by speeding up its own space program, which led to the ______ moon missions in the 1960s and early 1970s.
Soviet Union; United States; 1957; Soviets; Sputnik I; United States; Apollo
First artificial satellite made by Soviets.
United States first satellite.
Human in space and orbit around Earth.
American in space
First American to orbit Earth.
The American effort to land astronauts on the moon and return them to Earth was named the
A space craft that can carry a crew into space, return to Earth, and then be reused for the same purpose.
NASA has used ___________ to perform many important tasks. These include taking ______ into _____, repairing damaged ______; and carrying ______ and equipment to and from ______.
Space shuttles; satellites; orbit; satellites; astronauts; space stations
Main parts of a space shuttle are
Pressurized crew cabin; payload bay; main engines
A large artificial satellite on which people can live and work for long periods.
A ______ provides a place where long term observations and experiments can be carried out in space.
A spacecraft that carries scientific instruments that can collect data, but has no human crew.
A _____ collects data about the solar system and sends the information back to Earth.
The collection of information about Earth and other objects in space using satellites or probes.
A small robotic space probe that can move about the surface of a planet or moon.
To help people live in space, engineers have created technology that provides ____ and ____ as well as the ability to work in ________.
Air; insulation; microgravity
A place that is empty of all matter.
The condition of experiencing weightlessness in orbit.
The ____ has developed new technologies that help scientists work and new consumer products that people can use.
An item that has uses on Earth but was originally developed for use in space.
____ are used for communications and for collecting weather data and other scientific data.
An orbit in which a satellite orbits Earth at the same rate as Earth rotates and thus stays over the same place all the time.
A man made object that orbits a planet is an...
Examples of artificial satellites
International space station
Very first artificial satellite launched by Soviet Union in 1957 also began space race.
The very first US satellite launched in 1958. Manned space program.
In 1961, the USSR launched the
First human into space.
The first human to orbit once around Earth in the spacecraft Vostok 1.
First American in space for a 15 minute flight in the spacecraft Freedom 7.
In 1962, John Glenn became the first American to _____.
Orbit Earth and for three times in Friendship 7.
In 1969, Buzz Aldrin and Neil Armstrong became the first two men
To land on the moon aboard Apollo 11.
Who was the last man to walk on the moon?
Eugene Cernan, 1974
Voyager 1 & 2
Studied the outer planets.
Tracks weather systems, mapping Earth's surface, and observing changes in Earth's environment.
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