Planet Earth Science 7

Question 1

Testing the effects of water with different pH's on various rock samples. He is testing:

Accepted Answer

chemical weathering

Question 2

On a river bank are layers of different soil types. These visible layers are called:

Accepted Answer

stratification

Question 3

When oceanic and continental plates collide, one plate is forced under the other. This is a:

Accepted Answer

subduction zone

Question 4

Pouring water into a crack in a rock sample and freezing it, the crack go wider. This is:

Accepted Answer

frost wedging, mechanical weathering

Question 5

There is a 'Big Rock' in Okotoks. This rock was left behind by a receding glacier. It is

Accepted Answer

an erratic

Question 6

What type of mineral identification is: the scratchability test

Accepted Answer

hardness

Question 7

Kaylee does not know the name of the gem in her ring. It has a hardness value of 7. What is it?

Accepted Answer

quartz

Question 8

What type of mineral identification describes the coloured powder of the mineral?

Accepted Answer

streak

Question 9

Rock that is melted forms which type of rock:

Accepted Answer

igneous

Question 10

Metamorphic rock is rock that has changed form. It is usually formed ...

Accepted Answer

with heat and pressure belowthe earth's surface

Question 11

Tracks, burrows, andother evidence of animal behaviour are known as

Accepted Answer

trace fossils

Question 12

Which two process form sedimentary rocks?

Accepted Answer

compaction and cementation

Question 13

What mineral identification property describes this: reflects light from its surface

Accepted Answer

lustre

Question 14

When lava cools at the earth's surface _________ igneous rocks are formed.

Accepted Answer

extrusive

Question 15

What is the inner most layer of the earth called?

Accepted Answer

inner core

Question 16

What layer of the Earth is composed of nickel and iron?

Accepted Answer

outer core

Question 17

A tree grows in a rock. The roots of the tree go into the cracks and split the rock. This is:

Accepted Answer

biological weathering

Question 18

Which of the layers of the earth are solid?

Accepted Answer

inner core and crust

Question 19

What type of mineral identification is: breaks along smooth,flat planes

Accepted Answer

cleavage

Question 20

Earthquakes happen______ and erosion happens _________

Accepted Answer

Suddenly, gradually

Question 21

What is the upward or top section of a mountain?

Accepted Answer

anticline

Question 22

Which type of rock is an intrusive igneous rock?

Accepted Answer

granite

Question 23

Mountains are large areas that have been ...

Accepted Answer

uplifted

Question 24

Which of the following is not a rock family?

Accepted Answer

gneiss

Question 25

The area of the Pacific Ocean that has frequent earthquakes and volcanic eruptions is known as:

Accepted Answer

the Pacific Ring of Fire

Planet Earth Science 7

Questions 25

Planet Earth Science 7

Questions 25