Vocabulary
Define a variable in an experiment
An element in an experiment that typically changes
What do the rubber bands do to move the vehicle?
Store energy when wound up; when released the energy moves the vehicle
Define friction
The force that works against motion
What is the axle on your vehicle?
The bar attached to the wheels that helps make them turn
On the standard vehicle, what is the job of the tires?
Grip the surface on which the vehicle moves
Energy in motion
What 3 things do technical drawings have?
Details, Labels, and Perspectives
How could you make your vehicle in the falling weight system go faster?
Decrease the load, add more washers
Define potential energy
Energy that is stored
Describe a load and identify what we used as a "load" in an experiment this unit
Something that a vehicle carries/added weight AND the wood blocks
How could you make your vehicle in the falling weight system go slower?
Increasing the load, using less washers
Describe a force
A push or pull
Define gravity and give an example
A natural force that causes objects to move towards the center of the earth
How can we ensure that our experiments are accurate?
By running the experiment 3 times and making sure our data is reasonable
In the falling weight system, what natural force causes the vehicle to move across the flat surface?
Gravity