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Sc.6.E.7.9

Total questions: 22

Worksheet time: 17mins

Name
Class
Date
1.

Which planet would be the most likely place to observe for life?

a)

A

b)

B

c)

C

d)

D

2.

All of the following are ways that the atmosphere makes the existence of life on Earth possible EXCEPT ...

a)

maintains a constant temperature

b)

shields Earth from small collisions

c)

offers protection from radiation

d)

allows for gas exchange between plants and animals

3.

Which of the following characteristics of the planet Jupiter most likely makes it impossible for life to exist?

a)

1,200 times more volume than earth

b)

has 63 moons

c)

average temperature of -145 degrees Celsius

d)

rotational period of 10 hours

4.

Which of the following conditions are absolutely necessary for a planet to support life?

a)

All must be present for a planet to support life

b)

I, II, and IV

c)

II and III

d)

II, IV, and V

5.

Which characteristic of earth is most responsible for its ability to support life?

a)

carbon dioxide present in the atmosphere

b)

earth is terrestrial

c)

proximity to the sun

d)

presence of ice

6.

Earth and Mars are similar in their proximity to the sun.


Why is Earth capable of sustaining life while Mars is not?

a)

Mars is in the habitable zone, but it is a bit smaller than earth,

making it impossible to support life.

b)

Mars is in the habitable zone, but made of gas instead of rock, making it impossible to support life.

c)

Mars is in the habitable zone, but is a bit further from the sun than earth, making it too cold to support life.

d)

Mars is in the habitable zone, but it is a bit further from the sun than earth, making it too hot to support life.

7.

14) The diagram below represents the Sun and planets of our solar system. Which planet on the above diagram represents Earth?

a)

G

b)

H

c)

K

d)

M

8.

1)On a space mission, the gravitational environment can negatively affect the bone density of astronauts. Which accommodation will most likely protect the bone health of the crew on a space mission?

a)

drinking extra fluids

b)

eating more calories

c)

wearing protective clothing while inside the space vehicle

d)

engaging in a daily routine using exercise equipment

9.
What characteristics of the planet, Earth, is essential to the survival of living organisms?
a)
Earth has abundant available water
b)
Earth has just one orbiting moon.
c)
Earth orbits the Sun once every 365 days
d)
Earth rotates on its axis once every 24 hours.
10.
What is the most important factor that determines Earth’s temperature?
a)
Distance to the Moon
b)
Gas composition of the atmosphere
c)
Proximity to the Sun
d)
Amount of water on the planet
11.
If Earth were much smaller, it would not support life because it would not have enough mass to
a)
collect needed radiant energy from the Sun.
b)
maintain a gravitational pull on the Moon.
c)
have sufficient gravity to hold an atmosphere.
d)
rotate on its axis once per day.
12.
What data could be collected, that gives scientists info about if life exists on that planet?
a)
The number of other planets in the system
b)
How long the planet takes to rotate
c)
The orbit length of the planet
d)
The presence of an atmospheric ozone layer
13.
What characteristics of a planet will influence whether its temp. will be suitable to life?
a)
The amount of its gravitational force
b)
The number and size of active volcanoes
c)
The tilt of the axis of rotation of the planet
d)
The distance from the Sun of its orbit
14.
How does Carbon Dioxide in Earth's atmosphere allow Earth to support life? 
a)
Animals need Carbon Dioxide to breathe.
b)
Carbon Dioxide traps radiation from the sun to warm Earth and is used by plants in photosynthesis.
c)
Carbon Dioxide is produced by plants so that animals can breathe.
d)
Carbon Dioxide is needed to make water.
15.
What conditions would you look for if you were looking for life on moons or other planets besides Earth?
a)
Moderate temperature, ice, and the presence of a gas containing atmosphere.
b)
Cold temerature, liquid water, and the absence of gas containing atmosphere.
c)
Moderate temperature, liquid water, and presence of a gas containing atmosphere.
d)
Hot temperature, liquid water, and the absence of gas containing atmosphere.
16.
Define habitable zone.
a)
a vehicle propelled by the exhaust made from burning fuel
b)
an area that is just the right distance from the sun, or other star, that it is not too hot or too cold to support life
c)
matter that contains carbon which includes all living things
d)
the study of the origin, development, distribution, and future of life on Earth and in the universe
17.

Ozone contributes to supporting life on earth by blocking

a)

radiation

b)

water vapor.

c)

helium ions.

d)

atmospheric heat.

18.

What important roles does the Sun do for Earth?

a)

The Sun's gravity allows the Earth to move fast enough to have both day and night in 24 hours.

b)

The Sun's solar flares and storms shower the Earth with additional radiation.

c)

The Earth's position in relation to the Sn causes eclipses.

d)

The Sun's radiation provides needed heat to the Earth , adn the light from the Sun only shines on half of the Earth at a time.

19.

What force holds Earth's atmosphere in place?

a)

Gravity

b)

the weight of the atmosphere is sufficient to hold the atmosphere in place.

c)

This spinning of the the Earth creates teh force needed to hold teh atmosphere in place.

d)

None of these.

20.

How does the Ozone in our atmosphere contribute to life on our planet?

a)

It attracts dust particles by using the Earth's magnetic field.

b)

Blocks radiation from the sun

c)

Ozone absorbs moisture in the air.

d)

None of these

21.

What is weight?

a)

How much an object weighs on a spring scale.

b)

force of gravity acting on an object

c)

the mass X's the volume of an object

d)

None of these

22.

What does terraform mean?

a)

to terrorize people using different forms

b)

To perform terribly on this quizizz

c)

To form the land and atmosphere

d)

None of these.