Show:
Types of Forces
Variables
Defining Vocabulary
Skimmer Parts
100
This force moves things away. Example: A bat hitting a ball
What is a push
100
This is the first variable we changed in our skimmer testing
What is sail height
100
A push or a pull
What is a force
100
The toy "boat"
What is a skimmer
200
This force moves things towards the force. Example: A ball falling down after it is thrown
What is a pull
200
This is the second variable we changed in our skimmer testing
What is mast position
200
The line of movement of an object
What is direction
200
The area of this affects the distance the skimmer travels
What is the sail
300
This force is what keeps us on Earth
What is gravity
300
This is the third variable we changed during our skimmer testing
What is weight
300
A force that can slow down or stop moving objects
What is friction
300
This holds the sail
What is the mast
400
This force is a form of a pull which makes something stop
What is friction
400
If I was testing paper helicopters with everyone in the class, which variable should I change so that I have a fair experiment?
What is height
400
Anything that moves through air is met with this
What is air resistance
400
The body of the skimmer
What is the hull
500
This force is a form of a push which helped give our skimmers movement
What is moving air
500
This variable stayed the same each time we tested our skimmers and is the best place to test our boats
What is the flat smooth table
500
Any factor that can be controlled or changed in an experiment
What is a variable
500
What helps keep the sail mounted to the hull
What is the sail stand