Energy All Around
Using Energy
Energy on the Move
Mystery Topic
Vocabulary
100
What is the main source of Earth's energy?
The Sun
100
When does a roller coaster have the most potential energy?
When it is at the top of the track
100
What happens to an object that gains kinetic energy from another object?
It may move.
100
What is a seismic wave?
an earthquake
100
What is energy?
the ability to do work
200
When something gets hotter it has more of what?
Thermal or Heat Energy
200
A flashlight gives off a low beam of light...what does this tell you?
Its potential energy (battery) is almost gone
200
How do sound waves move?
back and forth
200
What are moving charges?
Electrical energy
200
What is the energy of motion?
kinetic energy
300
How can energy affect matter?
Energy can change matter physically and chemically.
300
What form of energy is in the food we eat?
Stored chemical energy
300
When you hear a higher pitch sound, what does that tell you about the sound waves?
They are traveling faster.
300
What force opposes motion when two objects are touching?
friction
300
What type of energy is found in running water?
mechanical energy
400
How does the Sun's energy cause wind?
It heats Earth's air unevenly.
400
What is the difference between potential energy and kinetic energy?
Potential energy- stored energy Kinetic energy- energy of motion
400
When you plug in your hairdryer, that electrical energy is then converted into what forms of energy?
Mechanical and heat energy
400
What are compression waves?
A wave that moves matter back and forth
400
Stored energy is called what? Give an example.
Potential energy battery
500
Name 4 forms of energy and give examples of each.
Chemical-battery, gas Mechanical- wind, water in a river Electrical- anything plugged in Heat- stove, candle
500
When a battery operated lantern is turned on, what forms of energy is the potential energy turned into?
Electrical, heat, and light
500
Describe three ways energy can be carried from one location to another.
Moving objects, waves, electrical currents
500
What are transverse waves?
A disturbance that moves horizonally
500
What happens to the object when sound waves strike it?
the object may vibrate
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