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- 1. Multiple Choice
__________ __________ is the investigation of physical conditions in space and on stars, planets, and other celestial bodies through the use of satellites, space probes, or spacecraft with human crews.
Space shuttle
Space probing
Space Exploration
None of the above
- 2. Multiple Choice
What is one reason astronauts working outside the International Space Station need to wear space suits? The space suits -
make it easier to identify the astronauts.
help the astronauts float freely in space.
have communication devices in the helmet.
provide essential food and water for survival.
- 3. Multiple Choice
The space shuttle carries astronauts back and forth between Earth and the International Space Station in orbit around our planet. What feature is necessary for the space shuttle to perform its function? The space shuttle must have -
sufficient mass to provide gravity equal to that of Earth.
powerful engines to escape the pull of Earth's gravity.
enough food for the astronauts to eat for several years.
adequate space in which the astronauts can float freely.
- 4. Multiple Choice
Space probes are unmanned spacecraft that have helped scientists gather more detailed information about the universe and objects in our solar system. Space probes send back all of the following EXCEPT -
soil and rocks from the surfaces of planets and moons.
information about a planet's surface and atmosphere.
photographs of distant stars and space objects.
data about the effects of solar winds on planets.
- 5. Multiple Choice
Why is it necessary for astronauts on the International Space Station to generate and recycle oxygen?
Oxygen provides energy for the station's fuel tanks.
There is not enough oxygen in space to sustain life.
Oxygen protects the space station from radiation.
Oxygen is a by-product of human respiration.
- 6. Multiple Choice
Pictures taken by the Cassini spacecraft show that the rings surrounding Saturn have dark and light bands. Until these pictures were taken, scientists on Earth did not know about this difference in color. Why was the Cassini spacecraft able to take pictures of the dark and light bands in Saturn's rings while they are not visible from Earth?
The rings around Saturn are covered by thick, dark clouds made of toxic gases.
Bright sunlight makes it difficult to see colors the farther it travels in the solar system.
The differences between the light and dark bands are the result of minerals not found on Earth.
Telescopes on Earth are not powerful enough to see these differences at the great distance.
- 7. Multiple Choice
Some scientists are planning a manned space mission to a rocky planet slightly farther from the Sun than Earth. To which planet are they sending astronauts?
Mercury
Venus
Mars
Jupiter
- 8. Multiple Choice
Astronauts walking in space must wear space suits. The space suits provide all of the following EXCEPT -
oxygen.
gravity.
protection.
communication.
- 9. Multiple Choice
The diagram shows a type of space equipment. What is the most likely function of this piece of space equipment?
To take photographs of distant galaxies and stars
To provide a place for astronauts to live in space
To launch space probes or other spacecraft
To shield Earth from the effects of radiation
- 10. Multiple Choice
A fly-by mission involves sending a spacecraft past a planet without landing on it. During the relatively short time the spacecraft speeds moving past a planet, it is able to -
gather information on how the planet changes.
conduct in-depth studies of the planet's surface.
deposit astronauts on the planet for further study.
transmit close-up images of the planet back to Earth.
- 11. Multiple Choice
Ancient people could not travel to the Moon. However, they could make observations of the Moon that allowed them to describe the -
composition of the Moon's atmosphere.
amount of gravity exerted by the Moon.
types of minerals found in the Moon's soil.
physical features on the Moon's surface.
- 12. Multiple Choice
Which of the following pieces of equipment helps scientists control spacecraft and analyze data received from space?
Computers
Telescopes
Rockets
Cameras
- 13. Multiple Choice
A space probe, a satellite, and a manned rocket all share what characteristic? They must be able to -
collect rocks and soil samples.
communicate with people on Earth.
transport equipment to the International Space Station.
provide areas for conducting experiments.
- 14. Multiple Choice
What science tool advanced space exploration by allowing humans to see better and farther into space?
Microscope
Telescope
Camera
Hand lens
- 15. Multiple Choice
The International Space Station (ISS) is a huge science laboratory that orbits Earth every 92 minutes. Experiments on board the ISS can help scientists learn -
why Earth rotates on its axis every day.
what substances are found in moon dust.
when the first green plants appeared on Earth.
how to solve problems of living in space.
- 16. Multiple Choice
This diagram provides some important dates in the history of space exploration as it relates to the Moon. After scientists had a clear picture of the surface of the Moon, they landed an unmanned craft before risking human life. The Soviets landed the first unmanned craft on the Moon, named Luna 9. Which of the following is the most reasonable time period for this mission to have taken place?
Sometime before 1959
Between 1959 - 1965
Between 1965 - 1969
Sometime after 1969
- 17. Multiple Choice
What is an important requirement for a manned spacecraft traveling through space?
The ability to create its own gravity
Bright lights to see where it's going
A device for growing food for humans
A supply of oxygen for the astronauts
- 18. Multiple Choice
A tether is a rope-like device that attaches an astronaut to a space vehicle during the time spent outside on a spacewalk. Why is a tether necessary?
Strong solar winds would blow the astronaut away from the vehicle otherwise.
Astronauts must remain close to the vehicle to obtain the heat it provides.
Without a tether, astronauts would float away due to the lack of gravity in space.
Tethers add just enough weight to the astronaut to keep them in orbit.
- 19. Multiple Choice
Which of the following is the first challenge that had to be overcome by rockets in order for humans to explore space? First, rockets needed -
a place in which the astronauts could sit.
a way to return to Earth's surface.
enough thrust to overcome Earth's gravity.
landing gear that worked on another planet.
- 20. Multiple Choice
With our current technology, travel to the closest star in another solar system is not possible for a human crew due to what limitation?
Inability to store food and water for long periods of time.
Lack of data about the many objects found in space.
Absence of light and energy in the far reaches of space.
Relatively short human life spans and slow travel speeds.
- 21. Multiple Choice
What is the most important function of a space suit like the ones astronauts wear when walking in space?
To give the astronaut freedom of movement in space
To provide oxygen and protection from radiation
To make it easy to get in and out of the International Space Station
To help the astronaut perform experiments in space
- 22. Multiple Choice
Many telescopes have been launched into orbit around Earth or sent out into deep space. What is an advantage of using these telescopes rather than an Earth-bound telescope to gather images?
Telescopes launched into space are usually smaller than ones found on Earth.
The images are usually clearer because they do not have to look through our atmosphere.
It is easier for scientists to make adjustments to an orbiting telescope than a fixed telescope.
Orbiting telescopes usually last longer because it is cold in deep space.
- 23. Multiple Choice
Of the following, the only space exploration vehicle that was not designed to carry humans into space is the -
Gemini spacecraft
space shuttle
space probe
Apollo spacecraft
- 24. Multiple Choice
Which of the following celestial bodies of the Solar System have humans visited?
the Moon
Mars
Venus
Saturn
- 25. Multiple Choice
Who was the first human to walk on the Moon?
Yuri A. Gagarin
Neil Armstrong
Valentina Tereshkova
Sally Ride
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