28 questions
What is energy?
moving energy
stored energy
renewable energy
The ability to do work.
Energy cannot be created or destroyed.
TRUE
FALSE
Click all of the things that are non-renewable energy sources.
oil
gas
coal
water
What is potential energy?
moving energy
stored energy
renewable energy
non renewable energy
What kind of energy does an object possess when it's resting on top of the hill?
Potential Energy
Chemical Energy
Light Energy
Thermal Energy
What is another name for "Thermal Energy"?
moving energy
heat energy
chemical energy
kinetic energy
What kind of energy is represented in this picture?
Thermal
Potential
Sound
Mechanical
What kind of energy does this device use?
Water
Electrical
Thermal
Light
What kind of energy is represented in the picture?
Wind
Chemical
Sound
Heat
The Bahamas has a sub-tropical climate. Which new source of energy would work BEST?
chemical
solar
sound
wind
A flashlight's energy changes from chemical to ________.
Light
Sound
Kinetic
Water
A radio's energy changes from electrical to ________.
Light
Sound
Kinetic
Water
A toaster's energy changes from electrical to ________.
Wind
Sound
Kinetic
Heat
Which of the following action is NOT conservation at home?
turning off the television when not in use
leaving the water water while brushing teeth
deciding what you want before opening the refrigerator
taking a quick shower
The Law of Conservation of Energy states:
Energy can created or destroyed but not transformed
Energy cannot be created or destroyed, it can only transformed from one form to another form
Energy can't be created, destroyed or transformed
All the above
What is the energy transformation that occurs in an electric pencil sharpener?
mechanical energy → electrical energy
electrical energy → kinetic energy
radiant energy → sound energy
chemical energy → kinetic energy
Which object shows an energy transformation from electrical → kinetic → sound?
Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?
Chemical → light
Electrical → chemical
Electrical → light
Chemical → electrical
What energy transformations take place when a battery-operated radio is in use?
Electrical → chemical → light
Sound → chemical → thermal
Chemical → electrical → sound
Light → electrical → thermal
Which items would have this energy transformation: electrical energy → thermal energy + light energy?
toaster
candle burning
windmill turning
using scissors
Which items would have this energy transformation: chemical energy → electrical + light + thermal energy?
turning on a flashlight
dog chasing a ball
digesting an apple
writing, using a pen
Which items would have this energy transformation: electrical energy → thermal energy?
climbing a tree
person running
iron for your clothes
candle burning
What best describes the energy conversion that occurs when you turn on a hair dryer?
electric → kinetic → thermal + sound
chemical → thermal → light + sound
kinetic → electrical → thermal + sound
thermal + sound → potential
What is a renewable resource?
one that can be replaced quickly or reused over!
one that is man-made
one that comes from the birds.
one that will never run out