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Exploring Space
Chapter One
16
Astronomy
7th Grade
12/16/2008

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Cards

Term
How does a rocket move forward?
Definition
A rocket moves forward when gass shooting out of the back, pushes the rocket in the opposite direction (thrust)
Term
What is the main advantage of a multistage rocket?
Definition
As the stages depart, the wieght of the rocket is less, using less fuel
Term
What is thrust?
Definition
The reaction force that propels and object forward
Term
Microgravitiy
Definition
The feeling of being wieghtless
Term
space spinoff
Definition

Something used on Earth, but developed for space

Term
What is a large, artificial satelitte in which people can live for long peroids?
Definition
Space Station
Term
What is a space station's source of power?
Definition
Solar pannels with large backup batteries
Term
What type of spacecraft is bes suited to explore areas farther away than the moon?
Definition
Space Probe
Term
What is the only planet a space probe has not explored?
Definition
Pluto
Term

Shuttle

Definition
A spacecraft that can carry a crew into space, return to Earth, and then be reused for the same purpose.
Term
Payload Bay
Definition
The part of a space shuttle that can carry a satellite
Term
Who was the space race between?
Definition
The United States and the former Soviet Union
Term
What was the beginning of the space race?
Definition
When the first artificial satellite, Sputnik I, was launched by the Soviet Union
Term
Who was the first american in space?
Definition
Alan Shepard
Term
Apollo Program
Definition
The american effort to land humans on the moon
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