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4th science P3P3

Total questions: 35

Worksheet time: 18mins

Name
Class
Date
1.

What is force?

a)
Force is the speed of an object.
b)
Force is an interaction that causes an object to accelerate.
c)
Force is the mass of an object.
d)
Force is a type of energy.
2.

What happens when you move a box or lift your backpack?

a)
Lifting a backpack requires no effort at all.
b)

You are applying force

c)
The object stays in the same place regardless of your actions.
d)
The box moves on its own without any force.
3.

What do two objects do when they interact?

a)
They exert forces on each other.
b)
They only change their colors when they interact.
c)
They remain unaffected by each other.
d)
They attract each other without any force.
4.

What are the two types of forces?

a)
Frictional forces and gravitational forces
b)
Magnetic forces and electrical forces
c)
Contact forces and non-contact forces
d)
Centrifugal forces and centripetal forces
5.

What is a contact force?

a)
A contact force is a type of energy that can be stored in objects.
b)
A contact force is a force that only acts on moving objects.
c)
A contact force is a force that acts between two objects that are in direct physical contact.
d)
A contact force is a force that acts at a distance without physical contact.
6.

Give an example of a contact force?

a)
Gravity
b)
Magnetism
c)
Tension
d)

Someone pushing a box

7.

What is a non-contact force?

a)
A non-contact force is a force that acts at a distance without physical contact.
b)
A non-contact force is a type of frictional force.
c)
A non-contact force is only applicable in space.
d)
A non-contact force requires physical touch to act.
8.

How can objects be classified based on their reaction to force?

a)
Objects can be classified as solid, liquid, or gas based on their reaction to force.
b)
Objects can be classified as heavy, light, or medium based on their reaction to force.
c)
Objects can be classified as elastic, plastic, or brittle based on their reaction to force.
d)
Objects can be classified as static, dynamic, or kinetic based on their reaction to force.
9.

What are rigid objects?

a)
Rigid objects can easily change shape under pressure.
b)
Rigid objects are always made of metal.
c)

They are objects that only change when a very strong force is applied.

d)
Rigid objects are flexible and can bend easily.
10.

Give examples of rigid objects

a)
Examples of rigid objects include a metal rod, a wooden plank, a glass bottle, and a ceramic vase.
b)
A pillow
c)
A sponge
d)
A rubber band
11.

What are elastic objects?

a)
Elastic objects are always rigid and unyielding.
b)
Elastic objects are materials that cannot change shape.
c)
Elastic objects are only found in living organisms.
d)
Elastic objects are materials that can stretch or compress and return to their original shape.
12.

Give examples of elastic objects

a)
Glass marbles
b)
Wooden blocks
c)
Metal rods
d)
Rubber bands, springs, and foam.
13.

What are plastic objects?

a)
Plastic objects are made from natural materials like wood.
b)
Plastic objects are exclusively biodegradable items.
c)

That are objects that don’t return to their original shape when the force is no longer applied.

d)
Plastic objects are only found in the ocean.
14.

Give an example of a plastic object

a)
glass bottle
b)
paper bag
c)
water bottle
d)
metal can
15.

What are the possible directions of a force?

a)
Only upward and downward
b)
Only horizontal directions
c)
Only diagonal directions
d)

A force can be vertical (up or down) horizontal (left or right)

16.

What happens to a tennis ball when a player hits it?

a)
The tennis ball accelerates and changes direction.
b)
The tennis ball remains stationary.
c)
The tennis ball disappears into thin air.
d)
The tennis ball bounces back without any change.
17.

How can a body in motion change direction?

a)
A body in motion changes direction by following a straight path.
b)
A body in motion cannot change direction without stopping first.
c)
A body in motion changes direction by increasing its mass.
d)

It can chance direction when a force is applied from the front,side,or back.

18.

What is gravity?

a)
Gravity is the force that attracts two bodies with mass towards each other.
b)
Gravity is a type of energy that repels objects.
c)
Gravity is the speed at which objects fall to the ground.
d)
Gravity is the temperature of an object in space.
19.

What is friction or frictional force?

a)
Friction or frictional force is the resistance encountered when one surface slides over another.
b)
Friction is the attraction between two surfaces in contact.
c)
Friction is the energy produced by moving objects.
d)
Friction is the force that propels objects forward.
20.

What does the strength of the frictional force depend on?

a)
The nature of the surfaces and the normal force.
b)
The speed of the object only.
c)
The weight of the object only.
d)
The temperature of the surfaces.
21.

How does the weight of an object affect friction?

a)
Increased weight reduces friction.
b)
Friction is independent of weight.
c)
Increased weight leads to increased friction.
d)
Weight has no effect on friction.
22.

What does the force of friction do to motion?

a)
The force of friction has no effect on motion.
b)
The force of friction enhances motion.
c)
The force of friction creates motion.
d)
The force of friction reduces or opposes motion.
23.

Is magnetic force a contact force?

a)
Magnetic force requires physical touch to exert influence.
b)
No, magnetic force is not a contact force.
24.

Can magnetic force attract things?

a)
Yes, magnetic force can attract things.
b)
No, magnetic force can only repel things.
25.

How many poles does a magnet have?

a)
1
b)
2
26.

Do opposite poles attrack?

a)
Yes, opposite poles attract.
b)
Yes, like poles attract.
27.

Do like poles repel?

a)
Yes, like poles repel.
b)
Like poles attract each other.
28.

Can electric force connect bodies?

a)
Electric force can only repel bodies.
b)
Yes, electric force can connect bodies.
29.

What does the interaction depend on?

a)

It depends on the electric charge

b)
Time and location
30.

How do objects get an electric charge?

a)

By rubbing against another object

b)
Objects get an electric charge by absorbing light energy.
31.

How many types of electric charge are there?

a)
3
b)

Are two ,positive and negative

32.

What happens when two charges are the same?

a)
The charges repel each other.
b)
The charges attract each other.
33.

What happens when two charges are different?

a)
Two different charges attract each other.
b)
Two different charges repel each other.
34.

What is static electricity?

a)
Static electricity is the flow of electric current through a conductor.
b)

Static electricity is the transfer of electric charge from one object to another.

35.

What makes your hair stand up after sliding?

a)
Static electricity from friction makes your hair stand up.
b)
Humidity in the air causes your hair to stand up.

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