Vocabulary
Energy Laws
Forms of energy
Transformations
Heat transfer
100
__________ energy is stored energy
What is potential
100
The law of ___________ says that energy can neither be created nor destroyed
What is conservation of energy?
100
___________ energy is a form of energy that travels through space in waves
What is electromagnetic radiation or radiant?
100
What kind of energy transformation occurs on a pool deck during a hot day
What is radiant (electromagnetic) to thermal
100
The rising less dense blob and the falling more dense blob in the lava lamp is an example of heat transfer by
What is convection?
200
Kinetic energy has to do with __________
What is motion
200
Forms of energy can be changed or transferred into different forms of energy.
What is transformation?
200
Heat energy is also known as _______ energy
What is thermal
200
What type of energy transformation occurs when you turn on a light?
What is electrical to electromagnetic and heat?
200
A type of energy transfer that does not require a medium in which to travel
What is radiation
300
The term of the Sun's incoming solar radiation which is the source for 97% of Earth's energy
What is insolation?
300
When one form of energy transforms into another form of energy, some of the energy becomes ___________.
What is less useful/wasted or entropy?
300
Food, gasoline or fossil fuels are examples of ________ energy
What is chemical energy?
300
When you eat an apple, three energy transformations take place. Trace the transformations of energy in this system.
What is (1) nuclear to electromagnetic (radiant) to (2) chemical to (3) mechanical? 1 Sun get its energy through fusion and gives off radiant 2. Radiant energy converts to chemical when apple grows 3. Chemical to mechanical when you eat the apple (chewing).
300
Heat moving from a hot pot to the boiling water is an example of what type of heat transfer
What is conduction
400
The average kinetic energy in an object is its _____________
What is temperature
400
This is the only direction that hot flows.
What is from hot to cold?
400
During the day, this surface absorbs more radiation but during the night, it release more radiation.
What is land?
400
Identify the transformations of energy when coal is burned in a power plant.
What is chemical (coal) to thermal (burning coal to heat water to steam) to mechanical (fast moving steam turns turbine and generator) to electrical (electron flow through metal coil in generator)
400
Why does jumping into a cold pool make you feel cold? What transformation is occurring?
What is The heat energy is flowing out of your body into the cold water through conduction.
500
a substance or material that keeps heat in or out
What is insulation?
500
In the conduction bar lab activity, not all of the heat form the hot cop went to the cold cup. Places where this heat energy went could be
What are the conduction bar, surrounding air, thermometer, cup?
500
What is the form of energy gives the Sun its energy?
What is Nuclear (fusion)?
500
Our bodies eat food and burn that fuel with oxygen form our breathing during the process of respiration. This enables us to do work - read, write, run, bike. But our bodies are not efficient in using this energy and this is shown by heat in the form _________ that we give off.
What is infrared radiation?
500
Wind blowing a kite into an upward direction is an example of what type of heat transfer?
What is convection
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