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SCIENCE PRACTICE 2.2

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

1- Name of the scientists who study the earth´s structure.

a)

Geologists

b)

Antropologist

c)

Biologists

2.

2- How many layers the Earth has?

a)

3

b)

4

c)

5

3.

This layer is the outer region of the planet made of soil.

a)

mantel

b)

crust

c)

inner core

d)

outer core

4.

-This layer is under the crust, is made out of molten rocks.

a)

mantel

b)

crust

c)

inner core

d)

outer core

5.

This two are in the center of the earth.

a)

mantel

b)

crust

c)

inner core

d)

outer core

6.

The the rocks are melted are called..

a)

Lava

b)

Magma

c)

Mantel

7.

When magma is erupted to the surface is called...

a)

Lava

b)

Magma

c)

Mantel

8.

Is loose earth containing decaying plants and animals.

a)

Soil

b)

Rocks

c)

Water

9.

New soil is formed by a process called...

a)

Weathering

b)

Watering

c)

Airing

10.

When rocks are changed by acid is called...

a)

Chemical weathering

b)

Physical weathering

11.

When rock is broken by physical forces is called...

a)

Chemical weathering

b)

Physical weathering

12.

Rocks are made of inorganic substances called...

a)

rocks

b)

cement

c)

minerals

13.

Sedimentary, igneus, and methamorphic are types of

a)

weather

b)

rocks

c)

mountains

14.

Name of the tiny, floating plants and animals that live in the ocean.

a)

plankton

b)

microanimals

c)

microfood

15.

Water formula.

a)

H20

b)

O2H

c)

OH2

16.

Porcentage the water covers the earth´s surface.

a)

50%

b)

97%

c)

80%

17.

Parts of the water Cycle

a)

precipitation, organization

b)

evaporation, condensation, raination

c)

evaporation, condensation, precipitation

18.

The water falls like rain, hail, or snow; this stage is called...

a)

condensation

b)

precipitation

c)

evaporation

19.

The water turns in to vapor; this stage is called...

a)

condensation

b)

precipitation

c)

evaporation

20.

The water gathers and creates clouds; this stage is called...

a)

condensation

b)

precipitation

c)

evaporation