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- 1. Multiple Choice
Astronauts may encounter various events while on a spacewalk. A spacesuit must ensure the astronaut is safe while venturing outside of the ship. Which of the following would result in the need for a strong outer layer on a spacesuit, similar to a bulletproof vest?
space walk
lack of nitrogen
micro meteoroids
cold temperatures
- 2. Multiple Choice
Life on Earth depends on _____ as a heat source.
heat vents in on the ocean floor
volcanoes in the Pacific Ocean
a medium sized star
the heaters found in your home
- 3. Multiple Choice
When deciding if a place beyond Earth holds any possibility for life, the two things that are most looked for by astrobiologists are –
nitrogen and sodium
oxygen and nitrogen
carbon and water
carbon and hydrogen
- 4. Multiple Choice
All of the following are characteristics of the Earth’s atmosphere that allow for life to thrive except –
The atmosphere helps maintain stable temperatures.
The atmosphere rises 600 kilometers above Earth.
The atmosphere burns up meteoroids.
The atmosphere absorbs harmful radiation.
- 5. Multiple Choice
An astronaut returns from six months on the space station. The astronaut’s muscles are weak, requiring the astronaut to be helped from the spacecraft once back on Earth. Of the following accommodations on the space station, the one that might help alleviate this problem is –
Increased oxygen levels inside the space station.
Spacesuits that are lighter and easier to wear.
Exercise equipment that can be used to help maintain muscle mass
Food that helps astronauts with more energy.
- 6. Multiple Choice
An astronaut should not remove his or her helmet while working outside the space station because the helmet provides -
hydrogen
nitrogen
argon
oxygen
- 7. Multiple Choice
Earth does support life primarily because it has liquid water, a heat source, the right distance away from the Sun, and a protective ozone layer from the Sun’s radiant energy. The gas that is found in the greatest quantity in our atmosphere is:
nitrogen
hydrogen
argon
oxygen
- 8. Multiple Choice
The accommodation that is designed to help overcome the unique difficulties associated with using the restroom in space is –
a vacuum system to control the flow of waste
a drain in the floor of the bathroom
a skid-proof floor mat
a bench in the bathroom
- 9. Multiple Choice
Which item would prevent the body from overheating?
hard upper torso
liquid cooling and ventilation garment
gloves
lower torso
- 10. Multiple Choice
A space suit includes a helmet, gloves, boots, and a suit that completely covers the body. What vital part of the spacesuit, critical for keeping the astronaut alive, is missing from this list?
a handheld computer
a robotic arm
a jet pack
an oxygen system
- 11. Multiple Choice
NASA is always searching for life beyond Earth and has found there to be three essentials for this to happen. All of the following would be a necessary requirement for life beyond Earth except –
Proper distance between the planet and the source of heat.
Chemicals to ensure that vegetation is supported.
Liquid water is available.
Atmosphere with necessary gaseous elements for gas exchange.
- 12. Multiple Choice
When given a chart or graph, what do you need to pay close attention to and read very close?
data in the boxes
titles of the columns
general title
titles of the rows
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