Free Printable 7C3: Lesson 1 The Earth

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7C3: Lesson 1 The Earth

Total questions: 5

Worksheet time: 3mins

Name

Class

Date

1.

Approximately how many different elements are found in the Earth?

a)

20

b)

80

c)

180

d)

1000

2.

Which metal is the third most abundant element in the Earths crust?

a)

Calcium

b)

Oxygen

c)

Aluminium

d)

Silicon

3.

The symbol for Calcium is

a)

C

b)

Ca

c)

Cl

d)

Cal

4.

The symbol for Carbon is

a)

C

b)

Ca

c)

Cd

d)

Car

5.

Identify the correct group of NATURAL materials

a)

Plastics, Ores, Glass, Wood

b)

Leather, Metal, Slate, Wood

c)

Plastic, Cotton, Slate, Glass

d)

Leather, Cotton, Slate, Wood

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