What is speed?
Speed is how fast things move.
What's the cause of the wagon moving?
The girl is pulling the wagon.
What causes a big movement?
a big force
Why can we move a toy car with a small force, but need a big force to move a real car?
A toy car is light. A real car is heavy. It is easier to move a light thing than a heavy thing.
What happens when you push a door with a big force?
It opens quickly.
What's the effect of the door being pushed with a small force?
The door opens slowly.
We push something. What is the effect?
It moves away from us.
What causes a small movement?
a small force
We pull something. What is the effect?
It moves towards us.
Can a force make something move?
Yes, it can.
Can a force change the speed of things?
Yes, it can.
Name things that move fast.
A train, a car, a horse, a runner, etc.
What happens when you push a door with a small force?
It opens slowly.
What is a push?
A push is a force that moves something away from you.