Space Review

Why does water support the allowance of life here on planet Earth?

• All life uses H2O or Hydrogen and Oxygen independently

• Water is on the only planet that we have found life on

• Where there is water, there is usually life present

• All of the above

As our sun increases in age, it also increases in size. What will happen to the habitable zone as time goes on?

• The habitable zone will shrink in size

• The habitable zone will move further away from the sun

• The habitable zone will grow in size

• The habitable zone will move closer to the sun

The atmosphere allows life to exist on Earth by . . .

• Making comets and meteors burn up

• Giving us oxygen to breathe

• protects us from harmful UV and Infrared Rays

• All of the these are correct

Proximity to the sun is just right for Earth not to be . . .

• too hot or too cold

• 93 million miles away

• in the habitable zone

• flat

Because Earth's spin and distance from the sun, water exists in all 3 states of matter. What state is water in upon Mars?

• Solid

• Liquid

• Gas

• All of the these are correct

Jupiter, Saturn, Uranus & Neptune are all made of . . .

• Solid

• Liquid

• Gas

• All of these are correct

Mercury, Venus, Earth and Mars are all made of what?

• Solid

• Liquid

• Gas

• All of these are correct

Earth's core provides a magnetic field that protects us from...

• Meteors

• Comets

• Solar Winds & Radiation

• Aliens

Why is there life on Earth?

• Perfect proximity to the sun

• Presence of water

• Thick Atmosphere

• All of these are correct

Where else is water found in our solar system?

• Mars

• Saturn's Moon Titan

• Jupiter's moon Europa

• All of these are correct