Show:
Types of Energy
Transfer of Energy
Transfer of Energy 2
Energy Sources
Misc
100
Energy of Motion
What is Kinetic Energy
100
Explain the energy transformation that takes place when a plant grows. Radiant energy (from the sun) to __________ energy (plants make sugar)
What is: Chemical
100
As the mass of an object moving at a given speed decreases its kinetic energy will ______________________.
What is: decrease
100
Wind turbines convert _________________ energy into electrical energy.
What is: kinetic
100
Heat can transfer 3 ways: Convection Conduction & ______________
What is: Radiation
200
The type of Energy that depends on mass and position
What is potential energy
200
Explain the transformation that takes place when you turn on a battery powered flashlight. Chemical (of the battery) to Electrical (flow of electrons) to Radiant (of the light) & some residual __________
What is: Thermal
200
Does a skateboarder have more potential energy at the top of the hill or the bottom?
What is: top
200
Hydroelectricity can generate electricity because of the initial _______________________ energy of the water.
What is: potential
200
Heat transfer by _________________ requires direct contact.
What is: Conduction
300
Type of energy that depends on the speed of molecules.
What is: thermal energy
300
Explain the transformation of a book falling from table. _____________(due to the position of the book) to _____________ ( motion of the book)
What is: Potential to Kinetic
300
When you drop a book on the floor, what happens to its original potential energy?
What is: It transferred to Kinetic Energy
300
Wind energy, coal energy, nuclear energy, hydroelectric energy and solar energy all are used to make electricity. However, solar energy is different. What do all the other energy sources use to generate electricity that solar energy does not?
What is: Turn a turbine that turns a generator
300
A device that transforms kinetic energy into electrical energy.
What is: a generator
400
Type of energy that depends on the flow of electrons
What is: electrical energy
400
The transformation of energy that occurs in a coal burning power plant = Chemical (burn coal) to Thermal (heat water to steam) to _____________ (steam spins the turbine) to Electric (generator spins to create flow of electrons)
What is: Kinetic Energy
400
A basketball is dropped from a height of 2m and an identical basketball is dropped from a height of 4m. Which ball has more kinetic energy just before it hits the ground?
What is: The basketball dropped from a height of 4m because it has more speed.
400
Hydroelectric energy is using the potential energy of water and turning it into electrical energy. What is one disadvantage?
What is: Hydroelectric disrupts aquatic life.
400
State the Law of Conservation of Energy
What is: Energy can not be created of destroyed it can only be transferred or transformed.
500
Type of energy stored in bonds
What is: Chemical energy
500
Explain the transformation that takes place when using a toaster. Electrical Energy is converted to ____________
What is: Thermal Energy
500
When you drop a tennis ball, it hits the floor and bounces back up. But, each bounce is smaller than the previous one. However, you notice the tennis ball is slightly warmer after it finishes bouncing. This is due to what law?
What is: the law of conservation of energy
500
You are swinging on a swing set, where is your kinetic energy decreasing? At the top of your swing. On the way down. At the bottom of the swing. On the way up.
What is: On the way up.
500
A device that converts Electric Energy into Mechanical Energy
What is: a motor