Yr 8 Earth Science Revision

Question 1

A white mineral is scratched by Topaz but not by Apatite. Which mineral could it be?

Accepted Answer

Quartz

Question 2

Which of the following best describes the relationship between rocks and minerals?

Accepted Answer

A rock is a mixture of minerals

Question 3

What is a hypothesis?

Accepted Answer

A justified prediction

Question 4

Which of the following is not a sedimentary rock?

Accepted Answer

Marble

Question 5

Identify the type of weathering shown in the image.

Accepted Answer

Physical

Question 6

Due to rapid cooling, the crystals of extrusive igneous rocks are...

Accepted Answer

Fine Grained

Question 7

Which of the following rocks is formed below the surface of the earth?

Accepted Answer

Granite

Question 8

A mineral is scratched by Quartz, but not by Flourite. What is its hardness?

Accepted Answer

4-7

Question 9

Which layer of the Earth is solid?

Accepted Answer

Inner core, Crust

Question 10

The inner and outer core are made of...

Accepted Answer

Iron and Nickel

Question 11

Exposed rocks are ................ to form sediments

Accepted Answer

Weathered

Question 12

Mohs hardness is used to ...

Accepted Answer

Identify common minerals

Question 13

Metamorphic rocks form from...

Accepted Answer

Heat and pressure on existing rock

Question 14

Examine the experiment below. Which process does this experiment model?

Accepted Answer

Igneous rock formation

Question 15

Which type of rocks form by the cooling of magma on the surface of the earth?

Accepted Answer

Extrusive igneous rocks

Questions 15