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4 American science Mid term exam

Total questions: 25

Worksheet time: 50mins

Name
Class
Date
1.

A delta is made up of

a)

melted iron

b)

sharp rocks

c)

gullies

d)

sand and soil

2.

Earth’s crust is made up of

a)

water

b)

rock and soil

c)

iron

d)

sand

3.

A wide ,flat landform is called a

a)

plain

b)

valley

c)

canyon

d)

trench

4.

What is earth’s outermost layer?

a)

inner core

b)

outer core

c)

mantle

d)

crust

5.

A plateau is a tall landform with a top that is

a)

round

b)

pointed

c)

hollow

d)

flat

6.

Vibrations caused by earthquakes are known as

a)

seismographs

b)

tsunamis

c)

seismic waves

d)

eruptions

7.

Which of these best describes what Earth’s plates are made up of?

a)

broken pieces of Earth’s crust

b)

hardened lava

c)

Earth’s mantle and crust

d)

melted rock

8.

9. Which instrument measures earthquakes?

a)

scientist

b)

seismology

c)

seismic wave

d)

seismograph

9.

Valleys and canyons are examples of landforms shaped by..............

a)

Water

b)

Wind

10.

Which of earth’s layers is the thickest?

a)

Crust

b)

Mantle

c)

Inner core

11.

Which landforms are the tallest?

a)

Valleys

b)

Mountains

c)

Plateau

12.

The large sections that make up Earth’s crust and upper mantle are called

a)

Mountain

b)

Sand dune

c)

Plates

13.

The hot, molten rock below Earth's surface is the mantle

a)

True

b)

False

14.

Plate tectonics is the idea that Earth's surface is broken into plates that move

a)

True

b)

False

15.

What are the three main layers of the Earth?

a)

Center, Middle, Outer

b)

Core, Mantle, Crust

c)

Core, Middle, Crush

16.

What is the outermost physical layer of earth?

a)

crust

b)

outer core

c)

mantle

17.

What is the outer core made of?

a)

solid rock

b)

solid metal

c)

melted rock

d)

melted metal

18.

Which layer has the hottest temperatures?

a)

inner core

b)

outer core

c)

mantle

d)

crust

19.

What kind of crust do we live on?

a)

oceanic crust

b)

continental crust

20.

What causes earths plates to move?

(a)  

21.

What is the difference between lava and magma?

(a)  

22.

Write your name, class and section

4 lines
23.

Underwater canyons form on the

a)

continental slope

b)

ocean ridges

c)

continental rise

24.

The name of a region of land where water drains into a river is a

a)

drainage basin

b)

plateau

c)

continental rise

25.

A physical feature of the land is called a(n)

a)

landform

b)

valley

c)

canyon