Science 909 lifepac test study guide
3 possible solutions for the problem of waste:
1. produce less 2. throw away less 3. recycle more efficiently
nuclear fuels:
1. sun 2. wind 3. water
atomic fuels:
1. uranium 2. hydrogen
A new space endurance record was set by:
Salyut 6
TRUE/FALSE The surface area of the earth is mainly dry land.
false
The air is composed mainly of oxygen.
false
The world population growth rate has begun to decline.
false
geothermal
hot springs
BART is an example of a:
mass-transit system
Inner space refers to the oceans.
true
Man has walked on the moon but not on Mars.
true
The source of fuel for fission reactors:
uranium 235
3 parts of man's biosphere
1. air 2. land 3. water
3 types of energy sources
1. fossil fuels 2. nuclear 3. natural
Fossil fuels:
1. oil 2. coal 3. natural gas
Viking I and Viking II landed on:
Mars
Methyl-mercury is an example of:
a pesticide
fossil fuel
oil, natural gas, and coal
inner space
oceans
DDT is an example of:
pesticide
protein
prevents kwashiorkor
"Glassphalt" is an example of:
recycled product
radiation
released atomic energy
extinction
the death of a species
ecology
the relation of living things to their environment
desalinate
to take salt out of water
recycle
to use again
Fossil fuels are recovered by mining operations.
true
Fusion means to join together.
true
Major cause of air pollution in major cities:
cars
telemetry
communication
urbanization
condition of becoming a city
fission
divide
