Vocabulary
a unit of energy.
What's a joule?
T or F. Shooting a basketball is an example of potential energy.
What is False?
The energy of movement.
What is kinetic energy?
A position where it established that an object has no potential energy?
What is "On the ground"?
energy of heat
What is thermal energy?
The type of energy a roller coaster has at the top of the track.
What is Potential energy?
A charged car battery is an example of what type of energy?
What is potential Energy?
This has the most kinetic energy.
A. a 25kg fish tank sitting on a table
B. a 50g fish swimming in a fish tank
C. a 7,500kg car parked on a steep hill.
D. a boulder sitting on top of a cliff.
What is B. a 50g fish swimming in a fish tank?
The kinetic energy of a ball at the bottom of a hill equals________.
What is "the potential energy at the top?"
chemical potential energy
what kind of energy is a battery etc.?
The type of Energy of a ball is rolling down a hill
What is kinetic energy?
Describe a real-world example where potential energy is transformed into kinetic energy.
What is a roller coaster going down a hill?
The change that would increase the kinetic energy of a moving object the most.
A. reducing the mass by half
B. reducing the speed by half
C. doubling the mass of the object
D. doubling the speed of the object
What is D. doubling the speed of the object?
What is the law that states energy cannot be created or destroyed, only transformed?
What is the law of conservation of energy?
gravitational potential energy
What kind of energy does a diver have standing on a diving board etc...
The type of potential energy determined by the amount of work gravity does.
What is Gravitational potential energy?
If a 2 kg object falls from a height of 7 meters, what will its potential energy be right before it hits the ground?
0 J
An example of energy transfer
A. an open flame heating a pan of water
B. a plant using sunlight to create glucose
C. turning on a flashlight to create a beam of light.
D. a person rubbing their hands together to warm them.
What is A. an open flame heating a pan of water?
A truck drives to a rock quarry at a speed of 20m/s. The truck takes on a load of rocks, which DOUBLES its mass. It leaves at the same speed of 20m/s.
The kinetic energy of the truck as it left the quarry to when it arrived at the quarry.
what is "doubled Kinetic Energy?"
when you are transfer energy to anobject.
What is Transfer of energy or work?
What is the formula for Potential & Kinetic Energy?
What is KE=0.5(m)(v)^2
What is PE= (M)(g)(H)
The transfer of energy of a person walking up the hill is ______ energy to ________.
What is the transfer of kinetic energy to gravitational potential energy?
In the formula for kinetic energy, what two factors are multiplied to determine energy?
What is mass and the square of speed?
The same loaded truck approaches and starts to go up a hill. Its speed slows to 10m/s. The kinetic energy of the truck compared before and after it started to climb the hill.
What is "truck's kinetic energy exponentially decreased."
A push or pull.
What is a force?