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Worksheets

Inside our Earth

Total questions: 45

Worksheet time: 45mins

Name
Class
Date
1.

Which is the thinnest layer of the earth?

a)

Mantle

b)

Inner Core

c)

Crust

d)

Outer Core

2.

How deep is the continental crust?

a)

50 km

b)

34.7 km

c)

5 km

d)

35 km

3.

How deep is the crust on oceanic crust?

a)

5 m

b)

5 km

c)

35 km

d)

2021 km

4.

The mantle extends up to _______ ?

a)

2020 km

b)

I don't know?

c)

2900 km

d)

3500 km

5.

The core has a radius about ________ ?

a)

What is radius?

b)

3500 km

c)

6371 km

d)

7564 km

6.

The core is mainly made up of (a)   ? (write in small letters only)

7.

In search for oil, engineers dug a hole about (a)   km deep. (write number)

8.

It takes (a)   km to reach the center of the earth (write number only)

9.

The crust forms __% of the earth

a)

1%

b)

1.5%

c)

2%

d)

2.5%

10.

The mantle forms ________% and the core makes up _______% of the earth

a)

65%, 34%

b)

84%, 15%

c)

76%, 23%

d)

12%, 100%

11.

The mineral constituents of continental crust?

a)

SIMA

b)

Silica and Alumina

c)

SIAL

d)

Silica and Magnesium

12.

The mineral constituents of oceanic crust?

a)

SIAL

b)

SIMA

c)

Silica and Alumina

d)

Silica and Magnesium

13.

The central core has (a)   .

(write in small letters)

14.

Radius of the earth?

a)

6137 km

b)

6371 km

c)

6731 km

d)

7631 km

15.

Definition of rock?

(capitalize the 1st letter of the 1st word)

(a)  

16.

The 3 major types of rocks?

(write in small letters and use comma)

(a)  

17.

Rocks can differ in _____ ?

a)

Pressure

b)

Size

c)

Temperature

d)

Colour

e)

Texture

18.

Another name for primary rocks?

a)

Igneous rocks

b)

Sedimentary rocks

c)

Metamorphic rocks

d)

Gemstones

19.

Name 2 types of igneous rocks.

(write in small letters)

(a)  

20.

When molten magma cools inside the earth's crust, it solidifies. So formed rocks are called______?

a)

Intrusive

b)

Extrusive

21.

An example of intrusive igneous rock.

(capitalize the 1st letter of the word)

(a)  

22.

When molten magma comes out to the earth's surface and cools, it solidifies. So formed rocks are called ______?

a)

Intrusive

b)

Extrusive

23.

An example of extrusive igneous rock.

(capitalize the 1st letter of the word)

(a)  

24.

(a)   is made up of Basalt Rocks.

25.

Example of sedimentary rocks.

(small letters)

(a)  

26.

Red Fort is made up of _______?

a)

Red limestone

b)

Red sandstone

c)

Orange sandstone

d)

Orange limestone

27.

Taj Mahal is made up of (a)   ?

28.

Igneous derived from the Latin word _____ meaning _____?

a)

What does a clock do when it's hungry? It goes back for seconds!

b)

ignis, ice

c)

ignis, fire

d)

I wanna make a joke about sodium, but Na....

29.

Sedimentary comes from the ___________ word ____________.

(capital letters and use comma)

(a)  

30.

Change of form is the meaning of the _______ word _______ from which the word 'Metamorphic' derived.

(capitalize 1st letter of word)

(a)  

31.

Clay changes to (a)   .

(capitalize 1st letter of word)

32.

Limestone changes to (a)   .

(capitalize 1st letter of word)

33.

Fill in the blanks:

What are fossils?

4 lines
34.

Seven Stones - (a)   ?

35.

Hop-scotch - _______?

a)

Pithoo

b)

Stapu

c)

Kit-Kit

d)

Gitti

36.

Gitti - (a)   ? (capitalize each word, no hyphen)

37.

Uses of rocks?

4 lines
38.

Definition of Rock cycle:

One type of rock changes to another type under certain conditions in a cyclic manner. This process of transformation is called The Rock Cycle.

Was this helpful?

a)

Yes

b)

No

39.

(a)   are naturally occurring substances which has a certain physicals properties and definite chemical compositions

40.

Uses of minerals?

a)

Fuel

b)

Industries

c)

Medicines

d)

Fertilizers/Pesticides

e)

Boiled Eggs

41.

Name few minerals used as fuel.

(small letters)

(a)  

42.

Name few minerals used in industries.

(small letters)

(a)  

43.

Ammonia is a ________?

a)

Queen Elizabeth 2's Sister (no really I am correct)

b)

Baby Food

c)

Mineral

d)

Rock

44.

Just for your information: The deepest mine in the world is Mponeng Gold Mine. It is located in South Africa's Gauteng province. It is almost 4 km deep!

Was this helpful?

a)

Very Helpful

b)

Yes

c)

Not Really

45.

Did you like my quiz? How was it?

4 lines