Forms of Energy
Name one form of energy you can see as light
What is the sun? What are the stars? What is a lightbulb?
There are more than one answer for this question.
True or False- Energy can make things move
True
What causes sound to be produced from an object?
Vibrations
Electricity produced from the energy of moving water is called?
Hydroelectricity
Heat always flows from a ______ object to a _______ object.
Fill in the blanks using cold and hot
The correct order is from a hot object to a cold object.
Which form of energy comes from moving electrons and powers a lamp?
What is electrical energy?
When you push a toy car it has mechancial energy. What is the energy of motion?
What is kinetic energy
If an object vibrates faster, does the pitch get higher or lower?
True or False: Water must be flowing (moving) in order for it to produce energy?
True
This happens in rivers, tides, and in ocean waves
Which conducts heat better: metal or wood?
What is metal?
What form of energy do you feel when you stand near a heater?
What is thermal (heat) energy
Describe one way energy can cause a change.
Any clear example is accepted.
A few examples:
Energy causes temperature change/ Changes in shape/ causes a chemical change/ a change in motion
Give an example of something that makes sound by vibrating.
Teacher may accept any answer that is correct.
Examples: playing an instrument/ the radio/ singing/ talking/ crumbling paper
True or false: wind can turn a turbine that generates electricity
True
Name a material that is a poor thermal conductor? This would also be called an insulator.
What is wood, plastic or rubber?
Energy in motion is also called?
What is kinetic energy?
A stretched rubber band makes a toy jump when released. What form of stored energy did the rubber band have before release?
How could you change the pitch of a rubber band guitar string to make it higher?
Make the string tighter or shorten the vibrating length
Edie and Sheldon are studying the wind turbines .They learn that wind turbines are used to generate electricity. What provides the energy to spin the turbines?
What is moving air or wind?
You put a metal spoon and a wooden spoon in hot soup. After a few minutes, which spoon's handle will feel hotter?
What is metal spoon?
Metal conducts heat from the soup to the handle because it is a better conductor of heat.
Is a form of energy that is created by vibrating matter
What is sound energy?
Energy can change from one form to another. For example if you use a flashlight it begins with a chemical change (the battery) and then changes to what kind of energy?
What is electrical energy?
What is light energy?
What is thermal energy?
Is a wave that transfers energy through vibrating air other matter
Dorie is studying wind chimes. The chimes make sounds when the wind blows through them. What would stop the wind chimes from making sound when the wind blows?
Someone would have to be holding them to keep them from moving.
A form of energy that explains the temperature of something is?
Thermal or Heat Energy