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SCIENCE REVISION

Total questions: 42

Worksheet time: 28mins

Name
Class
Date
1.

who studies rocks

a)

pedology

b)

hydrology

c)

geology

d)

natural phenomena

2.

______________ is a hard substance which the earth is made of .

a)

rock

b)

paper

c)

water

d)

air

3.

The act or process of changing completely.

a)

matter

b)

geologist

c)

earth crust

d)

metamorphism

4.

The Earth is made up of thousands of different and they occur naturally.

a)

rocks and minerals

b)

object

c)

building

d)

roads

5.

Any substance that liquefied by heat is called ___________.

a)

evaporation

b)

freezing

c)

molten

d)

cooling

6.

It is formed by cooling down of molten rock within the Earth called magma

expelled out of the Earth called lava.

a)

sedimentary rock

b)

metamorphic rock

c)

igneous rock

d)

sand

7.

Layers of sediment are deposited and compressed. They harden and become rocks.

a)

igneous rock

b)

metamorphic rock

c)

pebbles

d)

sedimentary rocks

8.

It’s the Earth hard topmost outer layer. It is less than 1% of the Erath’s volume.

a)

earths crust

b)

soil

c)

water

d)

plasma

9.

A rock deep within the Earth experiences extreme temperature and pressure. After a long period of time it becomes which rock?

a)

Sedimentary rock

b)

Igneous Rock

c)

Metamorphic Rock

d)

Earth Rock

10.

Which type of rock is able to turn into a metamorphic rock?

a)

Only Sedimentary

b)

Only Igneous

c)

Both Sedimentary and Igneous

d)

Neither Igneous nor Sedimentary

11.

The remains of living things that died long ago are often found in what type of rock?

a)

Igneous

b)

Sedimentary

c)

Metamorphic

d)

All of them

12.

The cooled and hardened magma from volcanoes form what rocks?

a)

Igneous

b)

Metamorphic

c)

Sedimentary

d)

Cement

13.

The thickest layer of Earth is the ___ where it is so hot that the rock there is soft.

a)

Inner core

b)

Outer core

c)

Crust

d)

Mantle

14.

This rock is often found near water.

a)

Sedimentary

b)

Igneous

c)

Metamorphic

d)

Ice rock

15.

This rock is formed in layers.

a)

Sedimentary

b)

Igneous

c)

Metamorphic

d)

Layers

16.
What is the MAIN way rocks are classified?
a)
Their color and shapes
b)
How they form
c)
Mineral bands
d)
Where they form
17.

What can scientists learn by studying fossils?


1. how the Earth's surface has changed over time

2. the appearance of an organism and its structures

3. how species have changed over time

4. how the Earth's climate has changed over time

a)

1, 2, 3, and 4

b)

2 only

c)

1 and 4 only

d)

2 and 3 only

18.

By studying fossils, scientists have learned that

a)

neither animals nor plants have changed over time

b)

plants have changed over time, but animals have not.

c)

both animals and plants have changed over time.

d)

animals have changed over time, but plants have not.

19.

Which of these is something that fossils can tell us?

a)

what things lived in the past

b)

how things alive today behave

c)

what animals will live in the future

d)

what animals in the past thought

20.
People who study fossils are called ____.
a)
meterologists
b)
fossilologists
c)
paleontologists
d)
fossil hunters
21.
Which of the following is NOT something you could learn from a fossil?
a)
The size of the animal
b)
What the animal ate
c)
The color of the animal
d)
Where the animal lived
22.
In which kind of rock do we usually find a fossil?
a)
sedimentary  rock
b)
metamorphic rock
c)
igneous rock
23.
In order for a fossil to form, which of the following events must happen FIRST?
a)
Slowly, minerals in the water replace the bone.
b)
Sediment covers the bone.
c)
An animal dies.
d)
The bone is no longer a bone, but a rock copy.
24.
_____ is any living thing, plant or animal, even you!
a)
A paleontologist
b)
An organism
c)
A fossil
d)
A rock
25.
Which statement BEST describes how the fossil bones of a dinosaur are formed?
a)
The dinosaur became trapped in amber.
b)
The dinosaur was covered in sediment.
c)
The dinosaur was frozen in ice.
d)
The dinosaur stepped in wet mud.
26.
What happens when a group of animals become extinct?
a)
All of its members have died.
b)
Only a few of its members are still living.
c)
The animals can no longer lay eggs.
d)
All of its members move to another place.
27.

Which rock layer in the diagram is the oldest?

a)

F

b)

E

c)

B

d)

A

28.

How many types of fossils are there? ____________

a)

2

b)

3

c)

4

d)

5

29.

What is the definition of 'extinct'?

a)

gone forever, no longer existing on Earth

b)

hardened, yellow tree sap

c)

to keep something as it was in the past

d)

material such as sand and dirt that settles to the bottom

30.

What is 'sediment'?

a)

hardened, yellow tree sap

b)

sand and dirt that settles to the bottom

c)

an imprint left by an ancient organism

d)

the movement of the tectonic plates

31.

What is a 'fossil'?

a)

a scientist who studies fossils

b)

hardened, yellow tree sap

c)

the imprint or remains of a living thing from the past

d)

any non-living thing in an environment

32.

4. What is the 4th Step when forming a fossil?

a)

Layers Form over time

b)

Erosion of Layers

c)

Movement of plates

d)

Buried by Sediment

33.

Which type of fossil shows 'evidence' of animal activity such as a footprint or an egg?

a)

mold fossil

b)

trace fossil

c)

cast fossil

d)

true form fossil

34.

**BONUS** Which layer of earth contains the newest or youngest fossils?

a)

top layer

b)

middle layer

c)

bottom layer

35.
The process in which dissolved minerals crystallize and glue sediment together.
a)
cementation
b)
deposition
c)
organic rock
36.
Which is smaller?
Clay or Silt
a)
Clay
b)
Silt
37.
What rock is made from sand?
a)
Siltstone
b)
Gravel
c)
Sandstone
38.
Sedimentary rocks are formed by
a)
Cooling of lava or magma
b)
Heat and pressure
c)
Compacting and cementing
39.
How is sediment formed?
a)
Weathering and Erosion
b)
Melting
c)
Pressure
40.
What is the breaking down of rocks?
a)
Weathering
b)
Clastic
c)
Vesicular
41.
What is deposition?
a)
Pieces of sediment come to rest on a surface
b)
Movement of sediment
c)
Breaking down of sediment 
42.
Fossils are made by
a)
Plants dying
b)
Animals or plants are imprinted on a layer of sedimentary rock
c)
Breaking down of rocks

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