Forces
What is a push or pull on an object?
What is a force?
When two forces are equal in size and opposite in direction, what are they called?
What are balanced forces?
What happens when unbalanced forces act on an object?
What is it will change speed or direction?
What keeps us on the ground?
What is gravity?
What do you call the ends of a magnet?
What are Poles?
Name one example of a force you can see every day.
What is friction, gravity, or a normal force?
What happens to an object when balanced forces act on it?
What is its motion will be unchanged?
If you push a toy car and it starts to roll, what type of force are you using?
What is an unbalanced force?
Does gravity act the same on all objects?
Yes, it pulls all objects toward the Earth.
What happens when the north pole of one magnet is near the south pole of another magnet?
They attract each other.
What do we call the force that pulls objects toward each other?
What is gravity?
If a book is resting on a table, what type of forces are acting on it?
What are balanced forces?
Can unbalanced forces cause an object to speed up?
Yes, they can speed it up.
What happens to an object when there is no gravity?
What is it will float?
What force can slow down a moving object?
Friction
What is the force that opposes motion between two surfaces?
What is friction?
Can balanced forces change an object's motion?
No, they cannot change the motion.
What do you call the force that makes a ball roll down a hill?
What is an unbalanced force due to gravity?
Why do astronauts float in space?
Because they are in free fall, far from Earth's gravity.
When you go down a slide, which force makes you go faster?
Gravity
What do we call a force that causes an object to change its motion?
What is an unbalanced force?
Give an example of balanced forces in real life.
What is a book sitting on a table?
Describe a situation where unbalanced forces are acting.
What is pushing a swing so it moves?
Who discovered the law of gravity?
What is Sir Isaac Newton?
What makes an electromagnet so strong?
Electricity