Potential Energy
The more ______, the more potential energy.
Height/altitude/distance from ground
Describe how energy is different than work.
Energy is the ability to create change in matter.
Work is the transfer of energy from one object to another.
True or false Sound energy is the movement of energy through substances
True.
Where on a ramp does a skater have the most PE- top, middle, or bottom of a ramp?
Top.
What is thermal energy?
energy of heat
Increase height =
Increase potential energy.
Kinetic energy is ______.
Motion.
True or false light energy is a type of Potential energy.
False Light energy is kinetic energy.
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. Compare the kinetic energy of the truck as it left the quarry to when it arrived at the quarry.
The kinetic energy doubled as the truck left the quarry.
What kind of energy is a battery?
chemical potential energy
Potential energy is energy stored in _____________.
Chemical bonds.
Which of these statements is 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.
A. an open flame heating a pan of water
Is a bird flying an example of PE or KE?
KE.
The same loaded truck approaches and starts to go up a hill. Its speed slows to 10m/s. Compare the kinetic energy of the truck before and after it started to climb the hill.
The truck's kinetic energy exponentially decreased.
What form of energy is food?
Chemical.
Gravitational Potential Energy can be _____________.
Increases with height and mass of the object.
What is kinetic energy?
Energy of motion an object has.
True or False Chemical energy can be a spring, height, and light.
False. Chemical energy is objects like batteries, coal, gasoline, and foods.
DOUBLE JEOPARDY Is a ball sitting on a shelf an example of PE or KE?
PE.
DOUBLE JEOPARDY Which object has more KE- a baseball traveling 5m/s or a baseball traveling 15 m/s?
15 m/s
What is an example of PE?
Some answers-
Power plants
Batteries, Coal, food
A spring pushed together then let go
DOUBLE JEOPARDY What is an example of KE?
Some answers-
Tiny particles moving through a "wire"
A fire
X-rays, Sun-rays, and Radio- rays
True or False A moving object can have both kinetic and potential energy at the same time.
True
A position where it established that an object has no potential energy
On the ground.
What form of energy is the output for a fan?
mechanical.