Vocabulary
The ability to do work is called what?
energy
What is the device in a car that prevents you from being thrown from a car?
seatbelt
Where would a skateboarder have the greatest amount of potential energy?
At the top of a hill
What is speed?
The rate at which an object moves or operates. Speed can be thought of as the amount of time it takes to complete a task.
What experiment did we do to start this unit?
Run a car down a ramp with a raw egg on it
Energy of motion is called what?
kinetic
How many lives are saved by using a seatbelt each year?
12,000
Where would a skateboarder have the most kinetic energy?
How did we test for speed?
Pendulum simulation
What happened to the egg?
Stored energy is called what?
potential
Who was responsible for putting seatbelts in cars?
Doctors
When does the skateboarder have an equal amount of potential and kinetic energy?
Halfway up the hill
Which height on the pendulum created the most speed?
At the top
What amusement park ride did Angelina want to go on?
Bumper cars
A push or a pull is called what?
force
Who invented the 3-point seatbelt?
Swedish design engineer Nils Bohlin.
What other type of energy can affect the skateboarder?
Thermal
Where do we see a pendulum in real life?
Grandfather clocks
What safety feature was used on the bumper cars in addition to seatbelts?
Helmets
What happens when two objects collide or bump into each other, causing an exchange or transformation of energy?
collision
How do seatbelts work?
By absorbing energy and keeping the person attached firmly to the seat.
Potential energy + kinetic energy equals what?
Total energy
The greater amount of energy we have the greater amount of _________ there is.
What is the science most amusement park rides are based on?
Physics