Life in SpaceReview Quiz

Using the diagram – Which planet is in the diagram should be the hottest?

Planet A

Planet B

Planet C

Planet D

Which of the following is a result of the existence of Earth’s atmosphere, which supports the existence of life?

Blue skies

A heated core

The Aurora Borealis

Livable surface temperatures

How does the ozone layer of Earth protect life?

By attracting solar energy

By deflecting solar winds

By absorbing ultraviolet radiation (UV rays)

By maintaining a constant temperature

Animals need oxygen and plants need carbon dioxide, but what do all living things on Earth also need?

Water

Gravity

Changing seasons

A period of day and night

Why is Pluto not suitable for human habitation?

Pluto is no longer considered a planet.

Pluto is too far from the Sun.

Pluto is covered with frozen nitrogen.

Pluto does not orbit the Sun.

A scientist is looking for a planet that could sustain life in other planetary systems. The scientist studied the amount of heat radiating from the system’s star. What other factor might the scientist study?

The number of planets in the system

How long each planet takes to rotate

The length of the orbits of the planets

The presence of an atmospheric ozone layer

Look at the planetary system diagram provided. Earth is about 149 million kilometers from the Sun. If the star in the planetary system diagram here is the same size and age of the Sun, which planet would have the best chance of sustaining life?

Planet A

Planet B

Planet C

Planet D

What holds the atmosphere around the Earth?

The Sun’s light

The force of gravity

Space

Nothing

The presence of water has been found on other planets.

TRUE

FALSE

The Sun provides Earth with vast amounts of energy everyday.

TRUE

FALSE