Unit 6 Space Review

What physical characteristics do the Earth and the Moon share?

• Both are home to bacteria

• Both produce light

• Both experience weather

• Both have a solid surface.

Astronauts have a harder time exercising in space than they do on Earth. Why would it be more difficult for the astronauts to run while they are in space?

• Lack of Gravity

• Running in a Spacesuit

• It's Cold in Space

• Lack of Area

Select three properties that do NOT support life on Earth.

• The thin atmosphere

• The above-boiling temperatures

• The presence of water

• The distance from the Sun

• The lack of carbon dioxide

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What is the benefit of a space suit?

• Provides Water

• Provides Oxygen

• Makes it Easier for Astronauts to Move

• Provides Food

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

• It's volume is 1,200 times greater than Earth

• It has 63 moons

• it's rotational period is 10 hours

• The Average temperature is 145 degrees celsius

What is a major reason space travel is so difficult?

• large distances between the planets

• cold temperatures of space

• inability to find a landing zone

• unpredictable movement of the planets

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What do the Earth and Moon have in common?

• The both have the same gases

• Gravity is the force keeping them in orbit

• Both have one natural satellite

• Both have aliens.

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Pick the two observations that do NOT support the fact that scientists think there were once glaciers on the surface of Mars.

• The surface of Mars is very cold.

• There are many ancient volcanoes on the surface of Mars.

• There is probably water int he ground below the surface on Mars.

• Mars has landforms that look like they were caved from its surface.

Objects made of ice, gas and dust, and orbit our sun are called​ (a)  

• comets
• meteors
• asteroids
• planets

Pluto is a dwarf planet because its (a)   is not strong enough to pull other objects into its​ ​ (b)   .

• gravity
• orbit
• surface
• atmosphere

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