Exploring Space--Chapter 2 6th grade

During World War II, rockets were used to

• send astronauts to the moon

• launch spy satellites into space

• carry explosives

• all the above

Which answer gives the correct sequence of important early space flights?

• John Glenn, Yuri Gagarin, Alan Shepard

• Alan Shepard, John Glenn, Laika

• Yuri Gagarin, Laika, Alan Shepard

• Yuri Gagarin, Alan Shepard, John Glenn

Exploration of space beyond the moon has been done by

• space probes with no human crew

• astronauts in space shuttles

• space probes with human crews

• the International Space Station

One of the main uses of satellites is

• launching deep-space expeditions

• controlling the weather

• observing Earth's surface

• preventing ozone depletion

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When did Tsiolkovsky and Goddard begin developing modern rockets?

• in the early 1900s

• in the 1100s

• in the 1860s

• during World War II

The reaction force that propels a rocket forward is called

• gravity

• inertia

• velocity

• thrust

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It is basic law of physics that for every force, or action, there is

• a decreased force, or reaction

• an equal force in the same direction

• an increased force, or reaction

• an equal and opposite force, or reaction

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A large artificial satellite on which people can live and work for long periods is called a

• space shuttle

• space probe

• space station

• rover

The types of data collected through remote sensing include all of the following except

• rainfall patterns

• location of underground oil deposits

• collection of soil samples

• vegetation patterns

Objects in space experience extreme temperatures because

• space is full of matter

• microgravity affects temperatures

• there are no shadows in space

• space is a vacuum