1 |
Lgneous rocks that cool deep beneath the earth's surface are: |
plutonic
lava
volcanic
none of these
|
2 |
Sedimentary rocks are formed by the: |
weathering and erosion of rocks
deposition, compaction and cementing of sediments
solidification of molten rock such as lava
none of these
|
3 |
Three main rock types are sedomentary igneous and : |
metamorphic
lava
plutonic
none of these
|
4 |
The earth's core is made of: |
liquid metal
solid metal
slushy metal
none of these
|
5 |
Which of the following scales best describes a tonado? |
synoptic scale
microscale
mesoscale
fujita scale
|
6 |
How old is the earth? |
5. to 5.1 billion years
4.8 to 5.0 billion years
4.0 to 4.2 billion years
4.5 to 4.6 billion years
|
7 |
Staying on the subject of the atmosphere, what gas is primarily responsible for an enhanced greenhouse effect thought to result in global warming? |
carbon dioxide
nitrogen
oxygen
none of these
|
8 |
The earth's atmosphere is primarily made up of what gas? |
nitrogen
carbon dioxide
oxygen
none of these
|
9 |
Most sedimentary rocks are a product of? |
eroding rocks
burying rocks
melting rocks
changin or altering rocks
|
10 |
The rock type that forms directly from magma? |
metamorphic
lgneous volcanic
lgeous plutonic
sedimntary
|