Force
Force
Motion
Simple Machines
Gravity
100
What force do you need to move a wagon?
Pull
100
Sammy kicked a soccer ball 10 yards and Josh kicked a soccer ball 20 yards. What could be a reason why Josh kicked the ball farther?
Josh applied more force
100
A ball is lying on the floor. When will the ball move? A. It will never move B. When a force acts on it C. When gravity pulls on it D. When the lights are turned on
B. When a force acts on it
100
In the book How to Lift a Lion what simple machine was used to move the panda on a pallet
Wheels
100
You throw a ball up in the air, what affect will gravity have on the ball?
The ball will be pulled down towards earth
200
Ted and Molly hold ends of a rope and stand facing each other. They pull the rope toward themselves with equal force. What will happen to the rope? A. The rope will move toward Ted. B. The rope will move toward Molly. C. The rope will not move at all. D. The rope will sag.
C. The rope will not move at all
200
A student observes a car rolling down a ramp. What force caused the car to roll down the ramp?
Gravity
200
Name an action that is an example of doing work being done by changing the position and motion of an object?
Opening a door, closing a door, moving a book over your head, etc.
200
When we read How to Lift a Lion how did we get the basket of bananas to the monkeys?
Pulley
200
What is gravity?
A force that pulls objects towards the center of the Earth
300
Give an example of a force causing motion
Pulling a cart, kicking a ball, pushing a friend on a swing, etc.
300
What force causes rain to all from the sky?
Gravity
300
A student rolled a ball down a ramp. What could the student do to increase the force on the ball to make it roll a farther distance?
Make the ramp higher at the top
300
In the book How to Lift a Lion what simple machine was used to lift the lions?
A lever
300
What object would be most difficult to lift against gravity? A. A ball B. A marble C. A person D. A car
A car
400
Define friction
A force that occurs when two objects rub together
400
Name four types of forces
Push, Pull, Gravity, and Friction
400
If someone moves a box, what change do they make to the box?
Its position
400
Why do people use simple machines?
To make the work easier for us
400
How is your weight affected on the moon?
You would weight less on the moon because there is less gravity
500
When a batter hits a baseball how does the force on the ball change?
The ball will change direction
500
Ms. Bunnell opened the door for her students to come into the classroom. Identify the object, the force, and the motion that happened.
The door was the object, the force was a pull, and the motion was that the door opened.
500
In our Sheep in a Jeep experiment, why did the cars move a greater distance on the tile instead of the carpet?
The carpet has more friction than the tile
500
What simple machine could you use to lift a piano to a 3rd story window?
A lever or a pulley
500
What must you do to overcome gravity?
Apply a different force