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YEAR/BASIC 5 TERM 3 SCIENCE REVISION

Total questions: 63

Worksheet time: 32mins

Name
Class
Date
1.

What is the name of this device?

a)

electric circuit

b)

electric motor

c)

electromagnet

d)

generator

2.

How would you describe this circuit?

a)

Open

b)

Closed

c)

Efficient

d)

Parallel

3.

Atoms that have a positive charge will be ATTRACTED to atoms with a ___________ charge.

a)

positive

b)

negative

c)

neutral

4.

Which of these forces works only by combining electric and magnetic forces?

a)

Magnetic

b)

Electric

c)

Electromagnetism

5.

In a magnet the opposite poles will ___________.

a)

attract

b)

repel

6.

The magnetic field of a magnet is ____________ further away from the magnet.

a)

stronger

b)

weaker

7.

Which of the following is a good conductor of electricity?

a)

rubber

b)

plastic

c)

copper

d)

salad

8.

A material that allows electricity to flow through it easily is called a(n):

a)

conductor

b)

insulator

c)

resistor

d)

battery

9.

A material that doesn't let electricity move easily through it is called a(n):

a)

insulator

b)

conductor

c)

donut

d)

flow stopper

10.

A path through which electricity flows is called a(n):

a)

crocodile clip

b)

circuit

c)

crossway

d)

circle of electricity

11.

Magnets or objects with the same charge will:

a)

attract each other

b)

repel each other

c)

explode

d)

stick to the wall

12.

Magnets or objects with opposite charges will:

a)

repel each other

b)

attract each other

c)

cause a black hole to appear

d)

implode

13.

An electrical device that slows down the flow of electricity is called:

a)

a resistor

b)

a capacitor

c)

a slower downer

d)

a battery

14.

The positive part of the nucleus of the atom is called a:

a)

proton

b)

neutron

c)

electron

d)

graviton

15.

Electricity can best be described as:

a)

a flow of electrons

b)

a flow of water

c)

a flow of neutrons

d)

a flow of hair

16.

The push or force of electricity is known as:

a)

voltage

b)

wattage

c)

amperage

d)

load

17.

Electricity is a form of:

a)

energy

b)

volcano

c)

confusion

d)

nuclear explosion

18.

Which of these would be the worst conductor?

a)

silver

b)

gold

c)

rubber

d)

copper

19.

Which of these devices can open and close the circuit?

a)

a switch

b)

a capacitor

c)

a resistor

d)

a neutron

20.

Electricity can travel through water.

a)

True

b)

False

21.

Friction is a

a)

non-contact force

b)

contact force

c)

magnetic force

d)

electrostatic force

22.

It is difficult to walk on an oily floor because

a)

Floor gets spoiled

b)

Floor hates oil so it makes it difficult to walk on it until oil is removed

c)

Force of friction is high

d)

Force of friction is very less

23.

A matchstick struck on a matchbox catches fire easily because

a)

Friction produces heat

b)

Of chemical reaction

c)

Matchstick is afraid of us

d)

Matchstick obeys us because we are their masters

24.

The sole of the shoes becomes worn out after wearing it for several months. The reason is

a)

Wearing out due to friction

b)

No reason at all

c)

Sole is of bad quality

d)

Nature

25.

The factors affecting friction are

a)

Dependence of friction on the nature of two surfaces

b)

Dependence of friction on the force with which two surfaces are pressed together

c)

Don't know

d)

Friction looks after and affects itself

26.

What kind of substances are known as lubricants?(function)

a)

Increase friction

b)

Decrease friction

c)

Increase or decrease friction

d)

None of these

27.

Friction has only disadvantages

a)

True

b)

False

c)

Don't ask me!!

28.

Vomit, vinegar and lemon juice are all examples of...

a)

acids

b)

alkalis

c)

neutral solutions

29.

What does this hazard symbol mean?

a)

toxic

b)

flammable

c)

corrosive

d)

explosive

30.

A concentrated acid has _________ particles of acid per litre of water than a dilute acid

a)

the same number of

b)

more

c)

less

31.

What is used to tell if a substance is acid, alkaline or neutral?

a)

a thermometer

b)

a balance

c)

an indicator

d)

paper

32.

What is the pH of a neutral solution?

a)

1

b)

14

c)

5

d)

7

33.

What type of reaction occurs when you react an acid with an alkali?

a)

combustion

b)

decomposition

c)

no reaction

d)

neutralisation

34.

What is the name for a soluble base?

a)

acid

b)

alkali

c)

neutral solution

35.

Something that can dissolve in water is said to be...

a)

insoluble

b)

soluble

36.

HCl, HNO3 and H2SO4 are all acids. What element do all acids contain?

a)

oxygen

b)

hydrogen

c)

nitrogen

d)

sulfur

37.

What pH range would you get for an acid?

a)

0-6

b)

7

c)

7-14

d)

2-10

38.

Acids taste

a)

fishy

b)

salty

c)

sour

d)

sweet

39.

The name of acid in lemon juice is

a)

ethanoic

b)

lemonic acid

c)

citric acid

d)

sulfuric acid

40.

Which one of these is an acid?

a)

salt water

b)

oven cleaner

c)

pure water

d)

vinegar

41.

Which of the following substance is an alkali?

a)

Vinegar

b)

Distilled water

c)

Baking soda

d)

Lime juice

42.

The color of universal indicator in hydrochloric acid:

a)

Red

b)

Blue

c)

Purple

d)

Green

43.

Is it acid or alkali when the pH is 4 pH

a)

Acid

b)

Alkali

c)

Neutral

44.

Lemon contains acid or alkali or neutral

a)

Acid

b)

Alkali

c)

Neutral

45.

What is an example of neutral

a)

Vinegar

b)

Water

c)

Milk

d)

Drain cleaner

46.

Reaction between acid and alkali producing salt and water:

a)

Combustion

b)

Neutralization

c)

Precipitation

d)

Decomposition

47.

The color of litmus in acid:

a)

Red

b)

Blue

c)

Purple

d)

Green

48.

What colour does red litmus paper turn when added to an alkali?

a)

Blue

b)

Red

c)

Green

d)

Colourless

49.

Alkali could also be known as

a)

Acid

b)

Weak acid

c)

Base

d)

Maze

50.

What kind of acid is present in your stomach?

a)

Sulfuric acid

b)

Hydrochloric acid

c)

Citric acid

d)

Nitric acid

51.

Which of the following about properties of acid is not true?

a)

pH less than 7

b)

Tastes bitter

c)

Corrosive

d)

Turns blue litmus paper to red

52.

State the taste of this fruit?

a)

Tastles

b)

Bitter

c)

Sour

d)

Sweet

53.

Which of the properties of alkaline substance is NOT TRUE?

a)

taste bitter

b)

slippery

c)

turn red litmus paper to blue

d)

turn blue litmus paper to red

54.

Types of Alkalis are

a)

Toothpaste

b)

Soap

c)

Lemon

d)

Oven cleaner

e)

carbonic acid

55.

Which colour in the indicator means neutral?

a)

Blue

b)

Green

c)

Yellow

d)

Red

56.

What is the pH scale?

a)

A method for measuring the protons in a solution

b)

A measurement of how acidic or basic a liquid is

c)

A special microscope used to look at acids

d)

All of the above

57.

What happens when an acid and an alkali gets mixed together?

a)

The substance becomes neutral

b)

The substance becomes acidic

c)

The substance becomes an alkali

d)

The substance causes an explosion.

58.

Acids turn red litmus paper blue.

a)

True

b)

False

59.

acids and alkalis show their properties only in the presence of water.

a)

true

b)

false

60.

pH scale is start from

a)

1-14

b)

0-14

c)

1-7

d)

8-14

61.

Name the product when hydrochloric acid react with sodium hydroxide

a)

sodium chloride + water

b)

sodium nitrate + water

c)

sodium sulphate + water

62.

Applications of Neutralisation in Daily Life

a)

shampoo

b)

cooking oil

c)

toothpaste

d)

salt

63.

__________ is used to make fizzy drink.

a)

Vinegar

b)

Sulphuric acid

c)

Carbonic acid

d)

Acetic acid

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