properties of the earth

Question 1

when did the late heavy bombardment happen

Answer 1

4.5 million years ago

Question 2

earth’s sister planet

Answer 2

venus

Question 3

littered with craters

Answer 3

venus

Question 4

paved over venus’ surface and blotted out the other craters

Answer 4

immense lava flows

Question 5

the blue planet

Answer 5

earth

Question 6

earth’s primordial atmosphere was modified by

Answer 6

outgassing of the mantle

Question 7

what formed the earth’s atmosphere

Answer 7

gases from volcanic activity

Question 8

this planet retained considerable internal heat

Answer 8

earth

Question 9

the red planet

Answer 9

mars

Question 10

what is the average temperature in mars

Answer 10

negative 56 degrees

Question 11

where does water exist on mars

Answer 11

polar ice caps and soil

Question 12

influence how quickly atoms and molecules move

Answer 12

temperature

Question 13

influences chemical reaction

Answer 13

temperature

Question 14

universal solvent and a transport medium

Answer 14

water

Question 15

invisible envelope of gas surrounding us

Answer 15

atmosphere

Question 16

screens out harmful ultraviolet and x-rays from the sun

Answer 16

atmosphere

Question 17

ability to do work

Answer 17

energy

Question 18

organisms use light or chemical energy to run their life processess

Answer 18

energy

Question 19

STATE THE FACTOR AND RATE
interferes with the reactions necessary for life

Answer 19

temperature - not enough

Question 19

STATE THE FACTOR AND RATE
interferes with the reactions necessary for life

Answer 19

temperature - not enough

Question 20

STATE THE FACTOR AND RATE
liquid water is unavailable

Answer 20

temperature - not enough

Question 21

STATE THE FACTOR AND RATE
liquid water can still exist under certain conditions

Answer 21

temperature - just right

Question 22

STATE THE FACTOR AND RATE
quickly evaporate water

Answer 22

temperature - too much

Question 23

molecules start to break apart

Answer 23

temperature - too much

Question 24

STATE THE FACTOR AND RATE
chemicals that cells need for growth are not transported to cell

Answer 24

water - not enough

Question 25

STATE THE FACTOR AND RATE
water is regularly available

Answer 25

water - just right

Question 26

STATE THE FACTOR AND RATE
it is not a problem as long as it is not so toxic that it interferes with the chemical of life

Answer 26

water - too much

Question 27

STATE THE FACTOR AND RATE
gas molecules escape to space leaving planets with no shield

Answer 27

atmosphere - not enough

Question 28

STATE THE FACTOR AND RATE
it keeps the surface warm and protects from radiation

Answer 28

atmosphere - just right

Question 29

STATE THE FACTOR AND RATE
the surface would be too hot for life

Answer 29

atmosphere - too much

Question 30

STATE THE FACTOR AND RATE
organisms die due to little sunlight

Answer 30

energy - not enough

Question 31

STATE THE FACTOR AND RATE
cells can run chemical reactions necessary for life

Answer 31

energy - just right

Question 32

STATE THE FACTOR AND RATE
too many harmful rays

Answer 32

energy - too much

Question 33

STATE THE FACTOR AND RATE
organisms cannot grow

Answer 33

nutrients - not enough

Question 34

STATE THE FACTOR AND RATE
activities can transport and replenish the chemicals required by living organisms

Answer 34

nutrients - just right

Question 35

STATE THE FACTOR AND RATE
too active circulation which interferes with an organism’s ability to get enough of these

Answer 35

nutrients - too much

Question 36

used to build and maintain an organism’s body

Answer 36

nutrients