Energy!
Mechanical Energy+
Potential Energy
Kinetic Energy Fun!
Energy Transfer - Especially Thermal!
100
How is energy measured?
What is: in 'Joules'.
100
True or False: Mechanical energy can create electrical energy?
True!
100
What is potential energy?
What is: stored energy that depends on an object's mass and position or state or shape?
100
What are four types of energy you use when you're listening to music?
What are chemical potential, electrical, sound, and thermal?
100
A: Conduction
B: Convection
C: Radiation
200
True or false: Energy can be destroyed.
False: Energy can be neither created nor destroyed.
200
Mechanical energy is only ever kinetic - true or false?
False: Mechanical energy can be kinetic or potential.
200
How is elastic energy stored?
What is: by being either stretched or compressed?
200
When exercising, what are two energy forms at work?
What are: chemical, mechanical (both kinetic)
200
What is Conduction, and can you give an example?
What is the transfer of heat through a solid?
300
True or false: When water is turning a waterwheel, most of the original energy is lost.
False: energy is never lost, but transferred into other forms of energy.
300
Name 2 places that mechanical energy flows in a water wheel turning a turbine.
What are: the faucet (or stream), the water wheel and (with electricity) the turbine.
300
Where can we find nuclear potential energy?(Must pronounce nu-clear energy properly, for points!!)
What is: nuclear potential energy is stored in the nucleus of an atom.
300
When does a roller coaster have the most kinetic energy?
What is: when it's racing downhill to the bottom of the track.
300
What kind of energy transfer is happening when you’re sitting by a campfire?
What is radiation?
400
Define the law of conservation of energy.
What is: Energy can neither be created nor destroyed, only transferred from one state to another.
400
What kinds of energy is a roller coaster using when it is starting on a flat surface, with no momentum?
What is mechanical energy - and electric energy, too.
400
On a roller coaster, where does the car have the most potential energy?
What is: at the top?
400
List four types of kinetic energy.
What are: Thermal, Sound, Electrical, and Radiation.
400
What is the definition of radiation heat transfer?
What is: heat transfer made by waves through fluids or air or to solids.
500
What does E=mc² stand for?
What is Energy = Mass x (the speed of light) squared.
500
What energies make us (and among us) dance?
What are chemical and mechanical (plus electrical!)?
500
What are 3 types of potential energy?
What are: elastic potential, nuclear potential, gravitational potential, chemical potential, any type of potential energy.
500
What are three types of energy you are using when you ride a bike?
What are chemical, mechanical, and thermal?
500
Infrared waves are an example of what kind of energy, and what do they do?
What is radiation and make heat?