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WHICH FORCES ARE INVISIBLE?

Total questions: 70

Worksheet time: 1hrs 1mins

Name
Class
Date
1.
a)

Iron

b)

Wood

c)

Wax

d)

Plastic

2.
a)

Wood

b)

Iron

c)

Paper

d)

Glass

3.
a)

Wood

b)

Paper

c)

Glass

d)

Iron

4.
a)

Wax

b)

Iron

c)

Glass

d)

Wood

5.
a)

Paper

b)

Glass

c)

Plastic

d)

Iron

6.
a)

Glass

b)

Wax

c)

Plastic

d)

Wood

7.
a)

Iron

b)

Plastic

c)

Paper

d)

Wood

8.
a)

Iron

b)

Plastic

c)

Wood

d)

Paper

9.
a)

Wax

b)

Paper

c)

Iron

d)

Plastic

10.

¿What is this material made of ?

a)

Steel

b)

Gold

c)

Wood

d)

Straw

11.

¿What is this material made of?

a)

Wood

b)

Silk

c)

Súper man

d)

Silver

12.

¿What is this material made of?

a)

Wool

b)

Wood

c)

Silk

d)

Leather

13.

¿What is this material made of?

a)

Wood

b)

Wool

14.

¿What is this material made of?

a)

Wood

b)

Wool

15.

¿What is this material made of?

a)

Wood

b)

Leather

c)

wool

d)

Diamonds

16.

What properties do these plastic cups have?

a)

Electric conductivity.

b)

Impermeable

c)

Oxidation

d)

Fragility

17.

Which property describe best the glass?

a)

Elastic

b)

Hard

c)

Fragil

d)

Shiny

18.

What property does a balloon have?

a)

Fragilty.

b)

Hardness

c)

Magnetism.

d)

Elasticity

19.

This is the resistence of a material to scratching.

a)

Hardness

b)

Toughness

c)

Fusibility

d)

Oxidation

20.
a)

rigid

b)

hard

c)

absorbent

21.
a)

soft

b)

rigid

c)

absorbent

22.
a)

flexible

b)

rigid

c)

absorbent

23.

.............. is everything around us that takes up space

a)

volume

b)

space

c)

matter

d)

weight

24.

........... is the amount of matter in an object and is measured in kilograms

a)

mass

b)

volume

c)

density

25.

............ is the amount of space an object occupies and is measured in cubic meters and expressed in litres.

a)

Mass

b)

Volume

c)

Density

26.

Are metals good conductors of heat and electricity?

a)

True

b)

False

27.

What is matter?

a)

Matter is everything that doesn't have mass or volume

b)

Matter is everything that has mass and takes up a space

c)

Matter is everything that hasn't got space and volume

d)

Matter is everything that I can see

28.

The three states of matter are

a)

solid, liquid and gas

b)

solid, liquid and shape

c)

shape, size and state

29.

When a material does not transmit heat, we call it....

a)

Impermeable

b)

Transparent

c)

Conductor

d)

Insulator

30.

When a material transmit heat, we call it....

a)

Conductor

b)

Transparent

c)

Opaque

d)

Impermeable

31.

Which of these things are matter

a)

Oxygen

b)

Oil

c)

Love

d)

Happyness

32.

Which object has more volume?

a)
b)
33.

Which object has more mass?

a)
b)
34.

What state of matter is this?

a)

Liquid

b)

Solid

c)

Gas

d)

Ice

e)

Water

35.

What state of matter is this?

a)

Solid

b)

Liquid

c)

Gas

d)

Ice

e)

Water

36.

If the object is lighter than it's volume...

a)

It sinks.

b)

It floats.

37.

Iron is a metal which is attracted to magnets.

a)

True

b)

False

38.

To measure mass we use...

a)

a scale

b)

a measuring jug

39.

To measure volume we use...

a)

A measuring cup

b)

A scale

40.

Opening a door with your hand it´s a:

a)

Contact force

b)

Non conctact force

41.

There are two types of forces. Select:

a)

Contact forces.

b)

Non-contact forces

c)

Human and animal forces.

42.

Choose the NON-CONTACT FORCES

a)

Gravity

b)

Buoyancy

c)

Friction

d)

Magnetism

43.

Gravity...

a)

is a force that pulls all objects towards their center

b)

is a force that controls your body

c)

is a force that repels objects

44.

Magnetism can...

a)

only attracts objects

b)

only repels objects

c)

attracts or repel objects

45.

What is going to happen?

a)

They will repel

b)

They will attract

c)

NOTHING

46.

When an object or a person moves another by touching it, it´s a...

a)

Contact force

b)

Non-contact force

47.

Which are the poles of a magnet?

a)

West-South

b)

Papas con mojo

c)

North-South

d)

South-East

48.

_______ is the amount of matter in an object.

a)

Mass.

b)

Volume

c)

Density

d)

Buoyancy.

49.

__________ is how much space an object occupies.

a)

Mass.

b)

Volume

c)

Density

d)

Buoyancy.

50.

_________ measures how much matter there’s is in a specific volume.

a)

Mass

b)

Volume

c)

Density

d)

Buoyancy.

51.

Because of ______________ materials can float or sink in liquids.

a)

Mass

b)

Volume

c)

Density

d)

Buoyancy.

52.

Select the properties of matter and materials:

a)

Elasticity

b)

Flexibility

c)

Materiality

d)

Elasticity

e)

Transparency.

53.

This is...

a)

Magnetism

b)

Gravity

54.

Choose the CONTACT FORCES

a)

Gravity

b)

Buoyancy

c)

Friction

d)

Magnetism

55.

Choose the NON CONTACT FORCES

a)

Gravity

b)

Friction

c)

Buoyancy

d)

Magnetism

56.

What do you see?

a)

umbrella

b)

magnet

c)

gravity

d)

telescope

57.

What is going to happen?

a)

They will repel

b)

They will attract

c)

NOTHING

58.

The force that is an upward force in the opposite direction of gravity is....

a)

Magnetism

b)

Gravity

c)

Buoyancy

d)

Friction

59.

When friction happens?

a)

When I watch TV

b)

When two objects rub against each other

c)

When we sleep

60.

Mass is measured in _________.

a)

kilos

b)

grams

c)

mililititers

d)

inches

61.

We can measure volume in __________.

a)

milliliters

b)

grams

c)

inches

d)

kilos

62.

_________ makes objects fall to the ground.

a)

metal

b)

gravity

c)

friction

d)

plastic

63.

Magnets have two poles which attract ________ objects.

a)

metal

b)

repels

c)

opposite

d)

friction

64.

Friction

a)

Contact force

b)

Non-contact force

65.

Gravity

a)

Contact force

b)

Non-contact force

66.

Magnetism

a)

Contact force

b)

Non-contact force

67.

A material that breaks easily is _________.

a)

Transparent

b)

Rigid

c)

Fragile

d)

Opaque

68.

A material that doesn’t bend easily is _________.

a)

Rigid

b)

Fragile

c)

Elastic

d)

Transparent

69.

A material that returns to its original shape is _________.

a)

Transparent

b)

Rigid

c)

Fragile

d)

Opaque

e)

Elastic

70.

This is...

a)

Push

b)

Gravity

c)

Pull

d)

Coffee

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