Scientists searching for life in distant solar systems have discovered a planet known as D482. Which of the following features of D482 would not be considered by scientists to determine if life could exist there?

It takes 149.5 earth days for D482 to make a complete orbit.

The atmosphere of D482 is made up of 95% carbon dioxide, 4.9% nitrogen, and 0.1% oxygen.

D482 is 67.5 million miles from the star that it orbits.

The average temperature on D482 is 742 ˚F.

Which of the following is the strongest reason for Earth being habitable?

The atmosphere of Earth has a favorable ratio of gases.

The Earth is close enough to the Sun to have a night and day.

The Earth is far enough from the Sun to be protected from radiation.

The atmosphere is thin enough to allow energy to pass through it.

What features make a planet habitable?

Oxygen, Water, Proximity to the Sun and Food

Carbon Dioxide, Proximity to the Sun, Habitat and artificial satelites

Lots of radiation, extreme temperatures, no food, no shelter

Extreme sunlight, dangerous predators, and salty water

What are the 5 necessary characteristics for habitability that we researched this week?

Temperature, Water, Atmosphere, Energy, Nutrients

Temperature, Gravity, Atmosphere, Energy, Nutrients

Atmosphere, Food, Water, Shelter, Gravity

Air, Food, Water, Housing, Pets

Which of the following is not a function of atmosphere?

Insulation/Temperature Regulation

Space Exploration: Habitability

Authored by Cheri Walker

Other Sciences

6th - 8th Grade

Used 375+ times

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

There is evidence of erosion from floods on Mars. What does this mean?

Liquid water was present at one time

Liquid water is present now

Liquid water has evaporated

Liquid water must never have been present

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Is Mars warmer or colder than Earth?

Warmer

Colder

Both

Same temperature

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why can't astronauts go to Mars yet?

Scientist don't know how to get them there safely and ho to get them back safely

Mars is too far away

Mars doesn't have food

Scientists haven't learned the Martian language yet

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Does Mars have water?

Yes

Maybe

I am not sure

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are scientists interested in finding out if there was ever water on Mars?

All life needs water. If there was never water on Mars, there was likely never life.

Water on Mars would prove that humans have lived on Mars.

Water on Mars would indicate it is safe for humans.

Scientists are not interested in finding out about water on Mars.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How are Mars and Earth similar?

A day is about the same length

Both have a metallic core and rocky outer crust.

Both have ice caps that form at the poles.

All options are true.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The climate on Mars is most like which place on Earth?

Alabama

Iceland

Antarctica

China

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