First Law
Third Law
Activities
English Words
Random
100
If an object is at rest, with no external forces, it will _______________.
Stay at rest
100
What is the pair of forces called?
Action and Reaction.
100
What happens when the green paper is quickly removed?
The coin will fall into the cup according to Newton's First Law.
100
We learned today that Newton has three _____.
A) Sons
B) Laws
C) Ideas
D) Rules
B) Laws
100
How many laws of Newton are there in total?
Three
200
According to Newton's first law, an object in motion stays in motion with the same _____ and in the same _______
speed ; direction
200
What is the relationship between action and reaction?
They are equal and in opposite directions.
200
For the balloon car, which law of Newton's is it most related to?
Third law
200
The two pairs of forces in Newton's Third Law were:
Action and __________.
Reaction.
200
Explain how our balloon powered car moves forward.
Air rushes out in one direction, and by Newton's Third Law, the car is pushed forward in the opposite direction.
300
Explain why a magician can pull a table cloth from under plates, and have the plates stay on the table?
The plates are at rest, so they want to stay at rest.
300
Explain how a bird flys upwards using Newton's Third Law
Wings act downwards on the air, which causes a reaction of the air to push the bird up.
300
If one pushes the plate from the left to the right, where will the egg land?
A) To the left of the cup.
B) To the right of the cup.
C) In the middle of the cup.
C) In the middle of the cup
300
What is the English word for 剪刀？
scissors
300
Describe what happens if you are riding a skateboard and hit something (like a curb) with the front wheels.
1 st Law Your body will keep moving forward and fly off your skateboard since the curb only stops the board, not yourself.
400
What is another name for the First Law?
A) Law of Rest
B) Law of Motion
C) Law of Inertia
D) Law of Integer
C) Law of Inertia
400
Explain how a swimmer swims forward using Newton's Third Law.
Action: The swimmer pushes backwards on the water.
Reaction: The water pushes the swimmer forward.
400
How do we prevent the wheel of the car from falling out?
By wrapping the straw axis with tape.
400
What is the English term for 牛顿第一定律
Newton's First Law
400
What is Newton's full name?
Isaac Newton
500
Use the first law to explain why it is important to wear seat belts.
When a car suddenly stops. The human in motion will want to stay in motion and fly out of the car.
500
What happens according to Newton if you let an untied balloon go?
According to the Third Law:
Action: Air inside the balloon rushes out and pushes the surrounding air.
Reaction: The surrounding air pushes the balloon forward, in the opposite direction from where air is released.
500
For the balloon car, what is the list of all the materials we used?
Scissors, tape, straws, polo candy, coloured paper,
500
What is the English word for 抵消？
Cancel (From "Action and Reaction force pairs don’t cancel because they act on different objects")
500
Since Action and Reaction are equal and in opposite directions, why do they not cancel？
Because they act on different objects.