Types of Energy
Kinetic and Potential Energy
Heat Flow
Random
100
The form of energy produced when playing a piano
Sound energy
100
Energy of motion
kinetic energy
100
What type of heat flow occurs when you touch a radiator and you burn your finger?
conduction
100
Give an example of something that has sound energy
answers vary
200
A television, plugged into the wall, transforms _______ energy into _______ energy
electrical, light (or sound)
200
Energy of position (stored energy)
potential energy
200
What type of energy flow occurs when you turn the heat on in your house?
convection
200
Describe something that you do during a typical day that involves energy transformation. Your example must include a description of one energy form transforming into another energy form.
Answers vary. Must include 2 types of energy, and must describe WHAT is transforming (e.g. a grill, the sun...)
300
A car's gas is transformed from __________ energy into _______ energy
chemical, mechanical (kinetic)
300
Which has the most kinetic energy? a) a person sitting on the floor b) a person at the bottom of a hill moving 10 miles per hour c) a person at the top of a hill moving 5 miles per hour d) a person at the top of a hill not moving
b)
300
Which of the following is the best example of conduction? a) a metal bar, heated by a candle on one end, heats on the other end b) magma rises inside the earth and cold rock sinks c) hot water rising and cold water sinking d) the sun heating up the atmosphere
a)
300
When energy is transformed from one form to another, the amount of energy... a) increases b) decreases c) stays the same d) cannot be determined
c) stays the same
400
A laptop battery transforms ___________ energy into _________ energy
chemical, electrical (heat as well)
400
A person dives into the water. Why does his kinetic energy decrease when he hits the water?
He moves slower when he hits the water.
400
What type of heat flow does a camp fire NOT demonstrate? a) conduction b) convection c) radiation
a) conduction
400
Ms. Marsh mixes coffee (90 degrees C) with milk (10 degrees C). What could the temperature of the newly mixed coffee be? a) 0 degrees b) 10 degrees c) 50 degrees d) 90 degrees e) 100 degrees
c) 50 degrees
500
What transformation occurs when a piece of paper is on fire?
chemical energy into light/heat energy
500
Which describes the energy change when a slingshot is suddenly released? a) kinetic to potential b) mechanical to potential c) potential to kinetic d) kinetic to mechanical
c)
500
The Greenhouse Effect shows which two types of heat flow? Explain each.
Radiation: sunlight entering the atmosphere Convection: hot air rising and cold air sinking (it never leaves the atmosphere)
500
300 Joules of energy is given away by a battery. 100 Joules of the energy in the battery is changed into electrical energy to power a fan. What could have happened to the rest of the energy from the battery?
it transforms into heat energy
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