Force, Work, and Energy
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Understanding Push and Pull
SubtopicUnderstanding Push and Pull under Force, Work, and Energy for Grade 3 ICSE.
Preview questions (no answers)
- 1.
To change the speed of a rolling ball, we must apply ______.
A.Force
B.Water
C.Air
D.Color
- 2.
When a magnet attracts an iron nail, it ______ the nail towards itself.
A.Pushes
B.Pulls
C.Blows
D.Bends
- 3.
Which action do we use to move a swing for a child?
A.Only Pull
B.Only Push
C.Either Push or Pull
D.Neither
- 4.
A force can stop a ______ toy car.
A.Stationary
B.Moving
C.Broken
D.New
- 5.
Pressing a button on a remote control is an example of a:
A.Pull
B.Gravity
C.Push
D.Friction
- 6.
When a worker carries a heavy box up a flight of stairs, we say work is done because:
A.The box is very heavy
B.The worker is getting tired
C.The worker uses force and the box moves
D.The box does not change its shape
- 7.
Which of these is the most likely reason why a car slows down when the driver stops pressing the accelerator?
A.Friction between tires and the road
B.Gravity pulling it forward
C.A push from the wind
D.The magnetic force of the car
- 8.
A man is trying to push a giant boulder, but it doesn't move at all. Scientifically, how much 'Work' has been done?
A.A lot of work because he is sweating
B.Zero work because the boulder did not move
C.Work equal to the weight of the boulder
D.Work equal to the time he spent pushing
- 9.
Which of these devices converts electrical energy into sound energy?
A.An electric bulb
B.A toaster
C.A radio
D.A solar cooker
- 10.
If you throw a ball straight up, it slows down as it goes higher. Why does it slow down?
A.Friction with the air is the only cause
B.Gravity is pulling it in the opposite direction of its motion
C.The ball is running out of energy
D.The clouds are pushing it down
Download the worksheet for Force, Work, and Energy - Understanding Push and Pull to practice offline. It includes additional chapter-level practice questions.
Types of Force (Friction, Gravity)
SubtopicTypes of Force (Friction, Gravity) under Force, Work, and Energy for Grade 3 ICSE.
Preview questions (no answers)
- 1.
If you throw a ball into the air, gravity will make it ______.
A.Stay there
B.Go faster upwards
C.Return to the ground
D.Change into a bird
- 2.
Which of these is a push?
A.Opening a door towards yourself
B.Stretching a spring
C.Pressing a doorbell
D.Dragging a bag
- 3.
Gravity is a force that acts ______.
A.Only on living things
B.Only on heavy things
C.On all objects
D.Only on metal things
- 4.
When we stop pedaling a bicycle, it eventually stops because of ______.
A.Gravity
B.Friction
C.Heat
D.Light
- 5.
Which of these surfaces provides the most friction for a toy car?
A.Polished wood
B.A sheet of ice
C.A rough concrete driveway
D.A plastic tray
- 6.
What is the relationship between force and work?
A.Work can be done without force
B.Force is needed to do work
C.Work and force are the same thing
D.Force is only used to stop work
- 7.
Which force acts on a parachute as it falls slowly towards the ground?
A.Only gravity
B.Gravity and air friction (resistance)
C.Only magnetic force
D.Muscular force
- 8.
If you are holding a book in your hand, what are the two main forces acting on the book?
A.Magnetic force pulling up and friction pulling down.
B.Gravity pulling down and the upward force from your hand.
C.Gravity pushing up and friction pushing sideways.
D.Air friction pulling up and gravity pulling sideways.
- 9.
Why do people spread sand or grit on roads covered with snow or ice in cold countries?
A.To melt the ice using the chemical properties of sand.
B.To increase the friction so that car tires can get a better grip.
C.To make the road look cleaner.
D.To reduce the pull of gravity on the cars.
- 10.
What is the relationship between the weight of an object and the friction it creates when sliding?
A.Heavier objects generally create more friction because they press harder against the surface.
B.Lighter objects create more friction because they move faster.
C.Weight has no effect on the amount of friction.
D.Friction is only created by the color of the object, not its weight.
Download the worksheet for Force, Work, and Energy - Types of Force (Friction, Gravity) to practice offline. It includes additional chapter-level practice questions.
Simple Machines
SubtopicSimple Machines under Force, Work, and Energy for Grade 3 ICSE.
Preview questions (no answers)
- 1.
Which of these requires force to be applied?
A.Stopping a moving ball
B.Picking up a toy
C.Opening a window
D.All of these
- 2.
An example of a wheel and axle is a _______.
A.Steering wheel
B.Ramp
C.Ladder
D.Knife
- 3.
Force can change the _______ of a moving object.
A.Direction
B.Color
C.Smell
D.Taste
- 4.
When you use a bottle opener, you are using a _______.
A.Lever
B.Inclined plane
C.Screw
D.Wedge
- 5.
Which of these is NOT an effect of force?
A.Making a stationary object move
B.Changing the direction of a moving object
C.Changing the mass of an object
D.Stopping a moving object
- 6.
In a game of tug-of-war, when both teams pull with equal force in opposite directions, what happens to the rope?
A.It moves toward the stronger team
B.It stays in the middle
C.It moves upward
D.It disappears
- 7.
What is the primary source of all energy on Earth?
A.Electricity
B.Coal
C.The Sun
D.Wind
- 8.
Which simple machine is used in a 'C-clamp' used to hold two pieces of wood together?
A.Lever
B.Pulley
C.Screw
D.Wedge
- 9.
A ramp used by a wheelchair to enter a building is an inclined plane. If the height of the entrance is 1 meter, which ramp length would require the least effort?
A.A 2-meter ramp
B.A 5-meter ramp
C.A 10-meter ramp
D.A 1-meter ramp
- 10.
Which of these forces acts from a distance without touching the object?
A.Friction
B.Magnetic force
C.Muscular force
D.Mechanical force
Download the worksheet for Force, Work, and Energy - Simple Machines to practice offline. It includes additional chapter-level practice questions.
Sources of Energy (Solar, Wind, Water)
SubtopicSources of Energy (Solar, Wind, Water) under Force, Work, and Energy for Grade 3 ICSE.
Preview questions (no answers)
- 1.
If you are using a hand fan to cool yourself, what kind of 'man-made' wind energy are you creating?
A.Solar energy
B.Moving air
C.Water energy
D.Heat energy
- 2.
Which of these is a primary source of heat for the Earth?
A.Electricity
B.The Sun
C.The Moon
D.The Stars
- 3.
In a windmill, the moving air has energy that turns the:
A.Floor
B.Roof
C.Blades
D.Tail
- 4.
Which source of energy provides us with Vitamin D when our skin is exposed to it?
A.Wind
B.Water
C.The Sun
D.Food
- 5.
What do we call the electricity generated by the energy of moving water?
A.Solar power
B.Wind power
C.Hydroelectricity
D.Steam power
- 6.
Which of these statements is true about water energy?
A.It can only be used during the day
B.It uses the force of moving water to do work
C.It is a man-made source of energy
D.It is very polluting
- 7.
Which form of energy is being used when a person uses a magnifying glass to focus sunlight and burn a leaf?
A.Wind energy
B.Solar energy
C.Water energy
D.Muscle energy
- 8.
Which of these is the most accurate description of 'Energy'?
A.Something that is only found in batteries
B.The ability or capacity to do work
C.A force that only pushes things away
D.The sound made when a machine starts
- 9.
A 'Solar Cooker' uses mirrors to focus sunlight onto a pot. What would happen if we used flat pieces of wood instead of mirrors?
A.The food would cook faster because wood is natural
B.The food would not cook because wood does not reflect and focus sunlight
C.The food would cook the same because sunlight hits everything
D.The wood would turn the sunlight into wind energy
- 10.
What role does gravity play in hydroelectric energy?
A.Gravity pulls the water down through the pipes to turn the turbines
B.Gravity pushes the sunlight into the water
C.Gravity makes the turbine blades lighter
D.Gravity is not involved in hydroelectric energy
Download the worksheet for Force, Work, and Energy - Sources of Energy (Solar, Wind, Water) to practice offline. It includes additional chapter-level practice questions.