Global Systems 2

Question 1

is earth an open or closed system

Answer 1

closed for matter open for energy

Question 2

ozone layer does what

Answer 2

protects from UV rays

Question 3

What is the reaction of cellular respiration

Answer 3

o2 and glucose go in and co2 and water are produced

Question 4

reaction of photosynthesis

Answer 4

co2 and water go in produce oxygen and glucose

Question 5

what happens when water freezes in terms of energy

Answer 5

molecules slow down (exothermic)

Question 6

how do the melting point and freezing points of a substance compare

Answer 6

both 0 degrees

Question 7

which process in the water cycle requires the most energy

Answer 7

evaporation

Question 8

what is the scientific name for the water cycle

Answer 8

hydrological

Question 9

what kind of system is the human body

Answer 9

open (energy not isolated)

Question 10

the amount of energy the earth uses and loses is known as

Answer 10

the net radiation budget

Question 11

the amount of heat required to convert one kilogram of ice into liquid water is

Answer 11

6.01kJ/mol

Question 12

the amount of heat needed to raise the temp of one kg of a substance one degree

Answer 12

c (heat capacity)

Question 13

same amount of ice, water, steam, and iron. You want to increase the temp the same amount. Which will require the most energy?

Answer 13

water (high heat capacity)

Question 14

the land is the biosphere is known as

Answer 14

lithosphere

Question 15

the layer of gases around the earth is known as the

Answer 15

atmosphere

Question 16

the part of the earth that maintains and supports life

Answer 16

biosphere

Question 17

how does hot air rise

Answer 17

the density (convection)

Question 18

layers of the atmosphhere

Answer 18

troposphere (weather occurs)
stratosphere
mesosphere
thermosphere

Question 19

what evidence is there of climate change

Answer 19

ice cores
temperature increases
change in growing season

Question 20

suppose the trees in a region are cut down exposing dark soil. How will affect the albedo

Answer 20

it won’t reflect as much because it is absorbing

Question 21

elbedo

Answer 21

the ability of a surface to reflect light

Question 22

why do currents rotate clockwise in the northern hemisphere

Answer 22

the choreolus effct

Question 23

choreolus effect

Answer 23

the equator gets more heat now that hot air rises and goes towards the poles where there is colder air and the colder air goes back down to the equator but because the earth is rotating the air moves (combination of convection currents and the earth’s rotating)

Question 24

what are the top greenhouse gases

Answer 24

methane
carbon dioxide
water vapour

Question 25

when is a lake warmer - spring or fall? why?

Answer 25

fall because of high heat capacity (because water has a higher heat capacity, it takes longer to warm up and cool down)

Question 26

which will give you a more severe burn, liquid water or water vapour at 100 degrees and why

Answer 26

steam because it has more potential energy because you had to use energy to make it steam

Question 27

which biome has the largest annual precipitation

Answer 27

rainforest

Question 28

which biome is most important to the agricultural industry

Answer 28

grassland

Question 29

what was the Montreal protocol for

Answer 29

to stop the hole in the ozone (ban worst CFCs)

Question 30

ozone hole caused by

Answer 30

CFCs

Question 31

what was the purpose of the Kyoto Protocol

Answer 31

to reduce greenhouse gas emissions

Question 32

why are temperatures in Ireland fairly constant throughout the year

Answer 32

the ocean