Forms of Energy
Energy Transformations
Vocabulary
Random
Heat Transfer
100
Food, fuel, and plants all represent what form of energy?
Chemical
100
Fireworks are transformed from chemical potential energy into what 3 types of energy?
thermal
sound
light
100
What are the other 2 words for light energy?
electromagnetic and radiant
100
A boat speeds up, slows down, stops, and then changes direction. At which point in the boat's path is energy not being transformed.
when the boat is stopped
100
What is the only type of heat transfer that does not require a medium for thermal energy to travel through?
radiation
200
Hot water, a bonfire, and ice cream melting are examples of what form of energy?
Thermal/Heat
200
Electrical energy from televisions is transformed into what 2 types of energy
sound and light energy
200
What is the Law of Conservation of Energy?
Energy cannot be created or destroyed, only changed from one form into another
200
True or False: A perpetual motion machine is possible to create by balancing the energy transformations within the system of the machine
False
200
Thermal energy always transfers from _____ areas to ______ areas.
warmer
cooler
300
Lightning, static, and charging outlets represent what form of energy?
Electrical
300
Energy _____________ is the process of changing from one form of energy into another
transformation
300
What is the ability to do work and cause change?
Energy
300
How could you increase the potential energy of the car?
Increase the height of the ramp
300
What type of material does heat flow the easiest through?
Metals (conductors)
400
_________ energy is energy associated with the flow of electrons through wires or other conducting materials
electrical
400
A hair dryer being used involves _________ energy transforming into ____________ energy.
electrical, mechanical
400
As a car travels down a hill, _________ energy is converted (transformed) into __________ energy
potential, kinetic
400
When an object heats up and gains thermal energy, the motion of its particles (increases, decreases, or stays the same)
increases
500
At which point on the track does the coaster have the most kinetic energy?
B
500
What are the three most common transformations that causes energy to be lost from a system?
heat, light, and sound
500
When a bow is drawn (pulled) back, it is gaining what kind of energy? Hint: 3 words
Elastic Potential Energy