Forces and Motion
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Push and pull forces
SubtopicPush and pull forces under Forces and Motion for Grade 3 IGCSE.
Preview questions (no answers)
- 1.
What are the two main types of forces that make things move?
A.Fast and slow
B.Heavy and light
C.Push and pull
D.Up and down
- 2.
When you use a fishing rod to bring a fish out of the water, you are applying a:
A.Push
B.Pull
C.Gravity
D.Static force
- 3.
To shut a heavy gate by moving it away from you, you need to use a:
A.Pull
B.Push
C.Stretch
D.Bend
- 4.
When you use a straw to drink, you are using a force to move the liquid. Which force is most similar to sucking through a straw?
A.A push
B.A pull
C.A twist
D.A bounce
- 5.
A student takes a slinky toy and stretches it out far with both hands. Which of the following is true about the force used?
A.The student used a push force to change the slinky's shape
B.The student used a pull force to change the slinky's shape
C.The student used gravity to change the slinky's shape
D.The student used friction to change the slinky's shape
- 6.
When ironing a shirt, you press the iron down and move it across the fabric. What force are you using to press down on the shirt?
A.Push
B.Pull
C.Magnetism
D.Air resistance
- 7.
A person is using a lawnmower to cut the grass. They walk behind it and move it away from them to cut a path. What force is being used?
A.Pull
B.Push
C.Magnetic
D.Gravity
- 8.
Why is it harder to start a heavy trolley moving than a light one?
A.Heavy objects have more 'inertia', meaning they need a bigger force to change their motion
B.Light objects are pulled harder by gravity
C.The heavy trolley is more magnetic than the light one
D.The air pushes harder on heavy objects
- 9.
If you throw a ball in the air, it eventually falls back down. What would happen if the Earth had no gravity?
A.The ball would fall faster
B.The ball would stay on the ground and not move
C.The ball would keep moving up or away in a straight line
D.The ball would melt
- 10.
When you walk, your foot pushes backward against the ground. What does the ground do?
A.The ground pulls your foot forward
B.The ground pushes your foot forward with an equal force
C.The ground does nothing because it is solid
D.The ground absorbs your force and disappears
Download the worksheet for Forces and Motion - Push and pull forces to practice offline. It includes additional chapter-level practice questions.
Measuring the strength of forces
SubtopicMeasuring the strength of forces under Forces and Motion for Grade 3 IGCSE.
Preview questions (no answers)
- 1.
A force can change an object's speed. This means it can make it:
A.Go faster or slower
B.Change color
C.Become invisible
D.Stay the same
- 2.
Which of these is a common use for a force meter in the classroom?
A.To weigh ingredients for a cake
B.To see how much force is needed to pull a shoe
C.To measure the length of the desk
D.To check the time
- 3.
If you throw a ball into the air, what force eventually pulls it back down?
A.Friction
B.Push
C.Gravity
D.Pull
- 4.
When you stretch a rubber band, you are using a:
A.Pushing force
B.Pulling force
C.Magnetic force
D.Electrical force
- 5.
Which part of the force meter points to the numbers on the scale?
A.The hook
B.The ring
C.The pointer
D.The casing
- 6.
If you pull a force meter in space where there is no gravity, would it still measure the force of your pull?
A.No, it only works on Earth
B.Yes, because it measures the strength of the pull, not just weight
C.No, because the spring would melt
D.Yes, but only if it's painted red
- 7.
Which of these materials would likely cause the highest reading on a force meter when pulling a block over it?
A.Ice
B.Glass
C.Sandpaper
D.Polished wood
- 8.
Which of these is a reason to use a forcemeter in a science experiment?
A.To measure how long an object is
B.To provide an accurate numerical value for a pull
C.To see what color an object is
D.To measure the time it takes for a ball to roll
- 9.
A student finds that a block requires to pull across the floor. They then add a second identical block on top of the first. What is the most likely force needed now?
A.B.C.D. - 10.
If you want to measure the force of air resistance on a falling parachute, where should you attach the forcemeter?
A.Between the parachute and the weight it is carrying
B.On top of the parachute
C.On the ground
D.Inside the weight
Download the worksheet for Forces and Motion - Measuring the strength of forces to practice offline. It includes additional chapter-level practice questions.
Friction and surface resistance
SubtopicFriction and surface resistance under Forces and Motion for Grade 3 IGCSE.
Preview questions (no answers)
- 1.
What happens when you use an eraser on a piece of paper?
A.Friction helps lift the pencil marks off the paper
B.The paper becomes magnetic
C.Gravity makes the marks disappear
D.The eraser adds more lead to the paper
- 2.
If you roll a ball across these four surfaces, on which one will it roll for the longest time?
A.Sandpaper
B.Carpet
C.Ice
D.Grass
- 3.
Which of these describes a surface with very low friction?
A.Rough and bumpy
B.Sticky and wet
C.Smooth and slippery
D.Hard and sharp
- 4.
Why do athletes often wear cleats (shoes with spikes) on a grass field?
A.To look taller
B.To increase friction so they don't slip
C.To decrease friction so they can slide
D.To keep their feet warm
- 5.
Which of these would have the MOST friction when being dragged across a floor?
A.A smooth metal tray
B.A flat piece of cardboard
C.A heavy block of concrete
D.A plastic storage lid
- 6.
When you use a matchstick to light a fire, why must you strike it against the rough side of the box?
A.To cool the matchstick down
B.To use friction to create the heat needed to ignite the match
C.To make the matchstick smoother
D.To remove the chemicals from the matchstick
- 7.
Which of these surfaces would be best for a 'no-slip' mat placed inside a bathtub?
A.Smooth silk
B.Suction-cupped rubber
C.Flat plastic
D.Polished glass
- 8.
Which of the following is a way to INCREASE friction for safety purposes?
A.Waxing a floor to make it shiny.
B.Putting oil on a bicycle chain.
C.Adding sand to an icy walkway.
D.Using polished metal for a slide.
- 9.
Why is it easier to slip on a floor that has just been mopped than on a dry floor?
A.The water adds weight to your shoes.
B.The water fills in the tiny bumps on the floor's surface, making it smoother and reducing friction.
C.The water makes your shoes expand.
D.The water increases the gravitational pull of the floor.
- 10.
A student wants to design a 'friction-less' experiment. Which environment would come closest to having zero friction?
A.Deep underwater in the ocean
B.A vacuum chamber (no air) with a magnetic levitation track
C.A very windy day on a mountaintop
D.A room filled with thick fog
Download the worksheet for Forces and Motion - Friction and surface resistance to practice offline. It includes additional chapter-level practice questions.
Magnetic forces and poles
SubtopicMagnetic forces and poles under Forces and Motion for Grade 3 IGCSE.
Preview questions (no answers)
- 1.
A student is testing two different magnets to see which one is stronger. Based on the diagram, what can we conclude about the magnets?
A.Magnet B is stronger than Magnet A because it is smaller.
B.Magnet A is stronger than Magnet B because it can pull more paperclips.
C.Both magnets have the same strength because they both pull metal.
D.Magnet A is weaker because it has to hold a heavier load.
- 2.
Which of these is the best description of a magnet?
A.An object that produces a magnetic field
B.A piece of wood that attracts metal
C.An object that only pushes things away
D.A tool used only for measuring length
- 3.
What happens if you turn one of two magnets around when they are already attracting each other?
A.They will still attract
B.They will start to repel
C.They will lose their magnetism
D.They will become stronger
- 4.
Can a magnet work under water?
A.No, water blocks magnetism
B.Yes, magnetic force can pass through water
C.Only if the magnet is red
D.Only if the water is hot
- 5.
If you use a magnet to pick up a chain of paperclips, why does the second paperclip stick to the first one?
A.The first paperclip becomes a temporary magnet
B.The paperclips are sticky
C.The magnet's force flows like water
D.The paperclips are actually tiny magnets themselves
- 6.
How can you increase the strength of an electromagnet?
A.By using a shorter wire
B.By adding more coils of wire
C.By using a plastic core instead of iron
D.By painting the wire red
- 7.
Which of the following would NOT be attracted to a magnet?
A.A steel paperclip
B.An aluminum soda can
C.An iron bolt
D.A nickel coin
- 8.
What happens if you turn a magnet over so that the South pole is where the North pole used to be, near a pile of iron filings?
A.The filings will be attracted just as strongly as before.
B.The filings will all be repelled instantly.
C.The filings will lose their own magnetism.
D.Nothing will happen because filings only like North poles.
- 9.
In a factory, how would you separate iron shavings from copper shavings efficiently?
A.Use a large magnet to pull the iron shavings away.
B.Use a sieve to shake the copper shavings through.
C.Add water to make the iron float.
D.Use a magnet to pull the copper shavings away.
- 10.
If a bar magnet is placed on a table and a compass is moved slowly around it, what will the compass needle do?
A.Change direction as it follows the magnetic field lines.
B.Point North the entire time regardless of the magnet.
C.Spin rapidly and never stop.
D.Point directly at the center of the bar magnet at all times.
Download the worksheet for Forces and Motion - Magnetic forces and poles to practice offline. It includes additional chapter-level practice questions.
Gravity basics
SubtopicGravity basics under Forces and Motion for Grade 3 IGCSE.
Preview questions (no answers)
- 1.
Does gravity ever stop pulling on you?
A.Yes, when you sleep
B.Yes, when you jump
C.No, it is always pulling
D.Yes, when you are in a car
- 2.
Could you walk normally if there was twice as much gravity on Earth?
A.Yes, it would be the same
B.No, it would feel much heavier and harder to move
C.No, you would float away
D.Yes, you would be much faster
- 3.
What happens to a ball when you drop it while standing on a tall ladder?
A.It floats
B.It moves upward
C.It falls to the ground
D.It disappears
- 4.
Which of these objects has the most gravity?
A.A mountain
B.A house
C.The entire Earth
D.A person
- 5.
Which of the following is true about gravity on Earth?
A.It only pulls things that are heavy
B.It pulls everything toward the center of the Earth
C.It only pulls things that are dropped
D.It pushes things away from the Sun
- 6.
If you toss a coin, why does it always come back down to your hand or the floor?
A.Because it is made of metal
B.Because of the Earth's gravity
C.Because of the air pressure
D.Because the coin is spinning
- 7.
When you drop a toy car, it hits the floor. This is evidence of which force?
A.A push from your hand
B.The force of gravity
C.The force of magnetism
D.The force of light
- 8.
In the context of gravity, what does the term 'center of gravity' mean?
A.The single point in an object where its weight seems to be concentrated.
B.The very center of the Earth.
C.The place where gravity is the strongest on a planet.
D.The point where an object is lightest.
- 9.
Which of these would experience the greatest increase in weight if moved from the Moon to the Earth?
A.An object with a mass of .
B.An object with a mass of .
C.An object with a mass of .
D.An object with no mass.
- 10.
What would happen to your mass if you moved from Earth to the planet Mars?
A.Your mass would stay the same.
B.Your mass would decrease because Mars is smaller.
C.Your mass would increase because Mars is colder.
D.Your mass would disappear completely.
Download the worksheet for Forces and Motion - Gravity basics to practice offline. It includes additional chapter-level practice questions.
Magnetic and non-magnetic materials
SubtopicMagnetic and non-magnetic materials under Forces and Motion for Grade 3 IGCSE.
Preview questions (no answers)
- 1.
Which of these is a magnetic metal often used in building?
A.Wood
B.Concrete
C.Steel
D.Brick
- 2.
What do we call materials like wood, glass, and plastic in relation to magnets?
A.Magnetic materials
B.Non-magnetic materials
C.Metal materials
D.Strong materials
- 3.
Which item will NOT be picked up by a magnet?
A.A steel pin
B.A plastic bead
C.An iron staple
D.A nickel rod
- 4.
Which metal is usually magnetic?
A.Gold
B.Aluminum
C.Iron
D.Copper
- 5.
A student uses a strong magnet to test the set of keys shown in the diagram. Which parts of the set will be attracted to the magnet?
A.All parts because they are all made of metal.
B.Only the brass key.
C.The steel ring and the steel key.
D.None of the parts because they are on a ring.
- 6.
A student performs an investigation to see which materials are magnetic. They record their observations in the diagram below. Which of these is the most accurate conclusion from this test?
A.Every shiny object is magnetic.
B.Only the steel bolt is made of a magnetic material.
C.Rubber is a type of magnetic metal.
D.Gold and steel are both non-magnetic.
- 7.
Which of these is a property of steel?
A.It is always blue
B.It is non-magnetic
C.It is attracted to magnets
D.It is a type of wood
- 8.
A student is testing four different metal items: a bar magnet, a steel nail, a copper wire, and an aluminum foil sheet. She uses the flowchart below to identify them based on their properties. Which letter represents the steel nail?
A.Object A
B.Object B
C.Object C
D.Object D
- 9.
If a magnet is placed near a copper pipe, what will happen?
A.The pipe will be strongly attracted.
B.The pipe will be pushed away.
C.The magnet will not stick to the pipe.
D.The pipe will immediately become a magnet.
- 10.
Which material would you use to make a shield that magnetic force CANNOT easily pass through?
A.A thin sheet of paper
B.A thin sheet of plastic
C.A thick sheet of iron
D.A thin sheet of glass
Download the worksheet for Forces and Motion - Magnetic and non-magnetic materials to practice offline. It includes additional chapter-level practice questions.