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WorksheetsHumans In Space
Total questions: 23
Worksheet time: 11mins
Name
Class
Date
1.
Orbit?
a)
a molecule made of three oxygen atoms
b)
1. path a body follows as it travels around another body in space
2.
Gravity?
a)
force of attraction between objects due to their masses and distance between them
b)
process of setting a rocket or spacecraft into motion
3.
Launch?
a)
a molecule made of three oxygen atoms
b)
process of setting a rocket or spacecraft into motion
4.
Atmosphere?
a)
a mixture of gases that surround a planet, moon, or other space object
b)
system on a spacecraft that maintains conditions humans need to survive
5.
Ozone?
a)
1. process of setting a rocket or spacecraft into motion
b)
a molecule made of three oxygen atoms
6.
Solar system?
a)
collection of large and small bodies that orbit a central star
b)
a molecule made of three oxygen atoms
7.
Life support?
a)
1. process of setting a rocket or spacecraft into motion
b)
system on a spacecraft that maintains conditions humans need to survive
8.
What was a unique characteristic of this spacecraft compared to previous spacecrafts?
a)
It needed more rockets to get into space.
b)
It was the first spacecraft to carry humans.
c)
It was reusable.
d)
It needed a low escape velocity.
9.
About what fraction of Earth’s surface is covered by water?
a)
1/4
b)
1/2
c)
3/4
d)
9/10
10.
How does earth’s location affect its temperature when compared with Mars or Mercury?
a)
Earth is warmer than Mars but cooler than Mercury.
b)
Earth is cooler than either Mars or Mercury due to its location.
c)
Mercury is covered by ice because it is farther from the sun than other planets are.
d)
Earth has water in the gas state because it is closer to the sun than Mars or Mercury.
11.
Unlike planets such as Venus and Mars, which gas makes up most of Earth’s atmosphere?
a)
oxygen
b)
nitrogen
c)
water vapor
d)
Carbon dioxide
12.
In which state does water exist on earth?
a)
solid only
b)
gas and liquid only
c)
liquid only
d)
solid, liquid, and gas
13.
A spacecraft experiences damage to its heat shield upon re-entry to Earth’s atmosphere. Which of the following is the most likely cause of the damage?
a)
The spacecraft re-entered Earth’s atmosphere too steeply.
b)
The spacecraft’s angle of re-entry was too shallow.
c)
The spacecraft’s heat shield was damaged during launch.
d)
The spacecraft’s re-entered Earth’s atmosphere during a solar storm.
14.
What is the purpose of a rocket during launch of a space craft?
a)
to provide enough power to overcome Earth’s gravity
b)
to give extra thrust to help steer the spacecraft into orbit
c)
to balance the spacecraft as it moves out of Earth’s atmosphere
d)
to prevent the spacecraft from moving faster than orbital velocity
15.
What keeps this satellite in orbit?
a)
friction
b)
gravity
c)
the sun
d)
the moon
16.
Which of the following describes the speed at which this satellite travels?
a)
acceleration
b)
the speed of light
c)
orbital velocity
d)
gravitational attraction
17.
Why is the sun necessary for animals to live on Earth?
a)
Animals convert the sun’s radiant energy into food.
b)
Energy from the sun reaches Earth by photosynthesis.
c)
Animals require water, and plants convert the sun’s radiant energy into water.
d)
Plants convert the sun’s radiant energy into food that animals rely on for energy.
18.
Which necessary item is the astronaut in the picture missing?
a)
heat protection
b)
radiation protection
c)
oxygen
d)
tethers
19.
How is the equipment shown in the picture used in space travel and exploration?
a)
to communicate with spacecraft
b)
to launch spacecraft past Earth’s gravity
c)
to find orbital velocities of different spacecraft
d)
to prevent spacecraft from overheating upon re-entry
20.
What are the Goldilocks conditions?
a)
conditions that are needed to support life as we know it
b)
necessary ingredients for food on long space flights
c)
type of gold coating used on space helmets
d)
condition needed for a spacecraft that can travel to Mars
21.
Which of the following terms does not belong with the other terms?
a)
oxygen
b)
barometric pressure
c)
temperature
d)
water
22.
Why is it important for astronauts to exercise in space?
a)
It’s necessary to prevent a decrease in bone density.
b)
It’s necessary to decrease the amount of blood in the body.
c)
It’s necessary to prevent an increase in bone density.
d)
It’s necessary to let the heart rest.
23.
Which of the following makes it possible for water to exist in all three states on Earth?
a)
the magnitude of Earth’s radius and mass
b)
the presence of Earth’s moon and the moon’s orbit
c)
the presence of plants and animals on Earth’s surface
d)
the spinning of Earth’s rotation and its distance from the sun
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