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Grade 7 Revision Final Exam Semester 1 (2023-2024)

Total questions: 15

Worksheet time: 18mins

Name
Class
Date
1.

Which statement is correct about how scientists worked out how old the earth is?

a)

It is about 450 million years old.

b)

It is 54,00 million years old.

c)

It is 45,00 million years old.

d)

It is 54,00 million years old.

2.

which are the properties of metals

a)

malleable

b)

low heat transfer

c)

dull

d)

conductor of electricity

e)

shiny

3.

In which stage of the water cycle do precipitation, condensation and evaporation occur?

a)

evaporation

b)

condensation

c)

precipitation

1
2
3
1)
2)
3)
4.

Some scientists believe that viruses are not considered living things, which of the following is the reason:

a)

They don’t have all 7 characteristics of living things.

b)

They live in the air

c)

They can replicate

d)

They are made of cells

5.

Some scientists believe that viruses are considered living things which of the following is reason:

a)

They don’t have all 7 characteristics of living things.

b)

They live in the air

c)

They can replicate

d)

They are made of cells

6.

Use the following dichotomous key to classify these four organisms. Write the correct description in the second column after letters (A, B, C or D)

a)

basking shark

b)

Greenland shark

c)

John Dory

d)

Sea bream

1
2
3
4
1)
2)
3)
4)
7.

which are the properties of non-metals

a)

sonorous

b)

low heat transfer

c)

dull

d)

non- conductor of electricity

e)

shiny

8.

label the correct gasses for the test and results produced

a)

hydrogen

b)

oxygen

c)

carbon dioxide

1
2
3
1)
2)
3)
9.

dissipate mean when energy is

(a)  

10.

label the earth structure

a)

inner core

b)

mantle

c)

outer core

d)

crust

1
2
3
4
1)
2)
3)
4)
11.

Give a description of the tundra zones

(a)  

12.

Organize the following into ACID or ALKALI

Categorize the following

Ph4

Sour taste

Lemon Juice

coffee

Vinegar

Orange Juice

Grapefruit Juice

Ph9

Bitter taste

Soap

Sea water

Egg white

Baking soda

Acid
Alkali
13.

Water has a pH level of

(a)  

14.

label the correct energy forms to the descriptions

a)

gravitational potential

b)

kinetic

c)

electrical

d)

elastic potential

e)

chemical

f)

light

g)

sound

h)

thermal

1
2
3
4
5
6
7
8
1)
2)
3)
4)
5)
6)
7)
8)
15.

label the description of energy in this image of a bus

a)

gravitational potential

b)

elastic when tyres are squeezed

c)

sound engine sound

d)

electrical for light

e)

kinetic

f)

chemical for fuel used

g)

thermal for the engine

1
2
3
4
5
6
7
1)
2)
3)
4)
5)
6)
7)

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