Unit 4 Exam

Question 1

Minerals are considered to be

Answer 1

the building blocks of rocks

Question 2

Minerals are…

Answer 2

inorganic, solid, with a definite chemical structure

Question 3

What type of rocks would you expect to find at the mouth of a river?

Answer 3

Sedimentary

Question 4

The breakdown of rocks due to wind is an example of

Answer 4

mechanical weathering

Question 5

Fast flowing water wears down the surface of a rock. This is an example of

Answer 5

mechanical weathering

Question 6

Chemical weathering of rocks can be the result of

Answer 6

acid rain

Question 7

Temperatures in the desert vary greatly between the day and night. The constant heating and cooling cause the rocks to crack. This is an example of

Answer 7

mechanical weathering

Question 8

When lava cools, it forms

Answer 8

Igneous

Question 9

Magma is

Answer 9

melted rock below the Earth’s surface

Question 10

Fragments of rock cemented together are called

Answer 10

sedimentary rocks

Question 11

If you dropped a mineral and it broke along rough, jagged lines, you would say the mineral exhibits

Answer 11

Fracture

Question 12

A cast fossil is formed when

Answer 12

An organism makes an imprint in a rock

Question 13

The rock cycle

Answer 13

is the process by which one type of rock is turned into another

Question 14

A rock showing signs of intense heat and pressure is found at the top of a mountain. This is most likely what type of rock?

Answer 14

Metamorphic

Question 15

One of the primary components of fertilizer is ____________, which can be harmful if it gets in drinking water.

Answer 15

Nitrogen

Question 16

A species of fish is introduced to a non-native area and causes problems. This species is called

Answer 16

Invasive

Question 17

Possible negative consequences of desertification include

Answer 17

Decreased Animal Habitat

Question 18

The most accurate way to date a rock is by using

Answer 18

Absolute Dating

Question 19

Fossil depth is used to help estimate fossil age. We can do this because we use

Answer 19

Fossil depth is used to help estimate fossil age. We can do this because we use

Question 20

A fossil found at a depth of 100 feet is most likely _______ than one found at 800 feet.

Answer 20

Younger

Question 21

Which of the following has the longest half-life?

Answer 21

Uranium-238

Question 22

A fossilized jaw bone would represent what type of

Answer 22

Petrified fossil