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Flashcards in Spacey Stuff Deck (24):
0

What are the 4 needs of life?

Energy, water, Nourishment, Living space

1

What is astrobiology

The study of future life out side our solar system

2

How many miles away is the earth from the sun

93 million miles

3

What is the composition of the earths atmosphere

78% nitrogen 21% oxygen 1% other gases

4

What is the newmonic device to remember the layers of the atmosphere

Tacos (&)
Starbucks
Make
Things
Excellent

5

Now what are the layers of the atmosphere

Troposphere
Stratosphere
Mesosphere
Thermosphere
Exosphere

6

Where does weather occur

Troposphere

7

What are some characteristics of the stratosphere

Ozone, protects us from UV Rays, jets fly here

8

Where do meteors burn up

Mesosphere

9

What are some characteristics of the Thermosphere

The warmest layer, ISS flys here

10

Give some characteristics of the exosphere

Hottest layer, outer space

11

Name 3 ways the atmosphere protects the earth

UV Rays, meteors, maintain temperature and pressure

12

Name 3 reasons why liquid water is necessary

Dissolving water, 65% of the human body is water, moving molecules in cells

13

What happens to the boiling temp as pressure increases

It decreases

14

What happens to the freezing temperature as pressure increases

It increases

15

Organic refers to a class of chemical compound based on _______

Carbon

16

Scientists have found that as a satellite orbits a massive planet, the planets _________ can cause the satellites interior to heat.

Gravity

17

Which are the two moons that have cracks in the ice where liquid water may have seeped to the surface

Europa and Ganymede

18

Which moons possibly have geysers

Enceladus, Tethys

19

Name 3 reasons probes are used for space research instead of humans

It costs less, safer, takes less time

20

List 4 challenges for humans in space

Solar radiation, oxygen, temperature/ pressure extremes, microgravity

21

On LONG TERM trips to space, how is temperature and pressure controlled on the astronaut

They wear an EMU so they can survive

22

Give an example of how microgravity makes it difficult to work or live in space

Screwing a screw in is difficult because you must make sure the screwdriver doesn't turn you.

23

How long do astronauts have to exercise every day and why

1. 2.5 hours
2. To keep their muscles, bones, and heart healthy