SPACE PRETEST

How does distance from the sun affect whether or not life exists on a planet?

• It doesn't

• by effecting the temperature of the planet

• by how much water is on the planet

• by how big the planet is

How does presence of water affect whether or not life exists on a planet?

• it doesn't

• organisms can exist without water

• organisms cannot live without water

• it makes the planet okay for swimming

How does composition/thickness of an atmosphere affect whether or not life exists on a planet?

• It doesn't

• it traps some heat and blocks some sun rays

• it lets everything in

• it keeps everything out

Scientists think it’s possible that the core of Mars has cooled, and that there will not be any more volcanic activity. How does the presence of volcanic activity affect the chances for life on a planet?

• It doesn't

• soil contains nutrients and volcanoes bring up new soil

• the nutrients are too spread out

• martians are not real things

Access to an energy source is important, but there are some planets and moons that don’t get that energy from the sun. How else could planets get energy in order to support life?

• The don't

• There is no life any where else in the universe

• From a utility company

• From chemicals that exist on the planet

How do extremophiles affect our understanding of life on other planets?

• they don't

• life may need different things than what we do to live

• they do extreme sports

• by digging deeply into our brains

What is the name of the area where a planet is the perfect distance from its sun to have liquid water?

• There isn't one

• the three bears zone

• the twilight zone

• The habitable zone

Name a planet in our solar system (besides Earth) that most likely to either have life now, or have had life in the past?

• Venus

• Mars

• Jupiter

• Uranus

How did the development of rockets affect the ability of people to travel in space?

• It didn't

• rockets go really, really fast

• rockets are really big

• rockets can break Earth's gravitational pull

Name three things that a space suit must contain in order to keep an astronaut alive in space.

• an on/off button, a visor, a pair of gloves

• heating/cooling system, breathing system, pressure system

• jet pack, friction system, water system

• Fm radio, Am radio, cassette player