final part 2

Question 1

which produces the LEAST amount of CO2 when burned?

Answer 1

natural gas

Question 2

which has the potential to be dangerous for thousands of years?

Answer 2

natural gas

Question 3

which fossil fuel produces the MOST CO2 when burned?

Answer 3

coal

Question 4

which is currently the best choice for transportation?

Answer 4

oil products

highest concentration of energy

Question 5

which is the MOST abundant fossil fuel?

Answer 5

coal

Question 6

which is the BEST choice as an alternative to gasoline or diesel?

Answer 6

biofuels

Question 7

which of the following is the main energy source for Iceland, which is on the mid-oceanic ridge?

Answer 7

geothermal

Question 8

why are there so few places to place a dam for reservoirs and this hydroelectric power?

Answer 8

you need a valley with a good size river flowing through it

Question 9

what is the major problem of using either solar or wind as an energy source?

Answer 9

they aren’t available 24 hours a day

Question 10

what are three fossil fuels?

Answer 10

oil, coal & natural gas

Question 11

what should the thermostat be set in the WINTER?

Answer 11

68

Question 12

what should the thermostat be set at in the SUMMER?

Answer 12

78

Question 13

what appliance is the biggest user of electricity in SUMMER?

Answer 13

air conditioner

Question 14

what gas user is the most expensive on a cold day in the winter?

Answer 14

heater or furnace

Question 15

how to keep the house temp. cool during a hot summer day and to keep electricity costs down??

Answer 15

close the windows and curtains to keep the sunlight out

Question 16

in the SUMMER the best way to cool the house down for the next day is to?

Answer 16

open the windows

Question 17

how can you reduce the cost of driving your car?

Answer 17

drive steady, drive less & get a car with better mpg

Question 18

in natural selection which animals are able to pass on their genes to the next generation?

Answer 18

only their that survive and successfully mate

Question 19

why don’t all individuals of a species look exactly the same?

Answer 19

because of mutation there is a huge variety of individuals

Question 20

how is it decided which animals survive to reproduce to the next generation?

Answer 20

the environment decides

Question 21

which was the longest period in time? Precambrian, Paleozoic, Mesozoic and Cenozoic

Answer 21

Precambrian

Question 22

what happened during the PALEOZOIC era?

Answer 22

“old animal” this was when the first animals were around

Question 23

what happened during the MESOZOIC era?

Answer 23

“middle animal” age of the dinosaurs

Question 24

what happened during the CENOZOIC era?

Answer 24

this is the age of the mammals

Question 25

where does the water for Oakley come from?

Answer 25

from the river which comes for the mountains

Question 26

how many people live in California?

Answer 26

40 million

Question 27

what percentage of rainfall falls on NORTHERN California?

Answer 27

75%

Question 28

what percentage of the pop. of California is in SOUTHERN California?

Answer 28

2/3 about 67%

Question 29

what can people do in their homes to cut down on water use?

Answer 29

stop watering lawns, shorter showers and flushing toilets so much

Question 30

how do we send water down to Southern California?

Answer 30

California aqueduct

Question 31

what happens to the salt content of the delta and SF Bay when the amount of fresh water from the mountains rivers slow down during the summer and early fall?

Answer 31

the delta becomes saltier

Question 32

where is the water for Oakley cleaned up before sent to your home?

Answer 32

the treatment facility at Empire and Laurel

Question 33

what are the three areas of need for water in California?

Answer 33

environment, cities, agriculture

Question 34

which is the only reliable source of water left to supply us until the next winter?

Answer 34

reservoirs

Question 35

which is the new source of water for the future?

Answer 35

conservation, recycling, maybe even desalination

Question 36

how does groundwater get into the ground?

Answer 36

rain percolates into the ground

Question 37

why in California is the level of groundwater getting lower all the time?

Answer 37

we are pumping out more water then what's getting back in

Question 38

describe the water cycle

Answer 38

water evaporates from the Ocean, forms a cloud, it rains, water flows into the ground, into rivers, into lakes and eventually back into the ocean

Question 39

how old is the earth?

Answer 39

4.6 billion years

Question 40

dinosaurs were alive on the earth for 160 million years. what percentage of the Earth's history where they around?

Answer 40

approximately 3.5%

Question 41

how Long was the earth without organisms big enough to see with your eye?

Answer 41

Little over 10%

Question 42

how long have humans been around?

Answer 42

approximately 125,000 years or .003% of the Earth history