Share Grade 5 Conservation of Energy Review
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What is energy? a) the ability to work b) the ability to lift c) potential movement d) studying
The ability to work
What is a renewable energy source? Give an example.
It is something that can be used more than once because it is replaced naturally. An example is the sun, wind, hydro.
What is a non-renewable energy source? Give an example.
Something that can only be used once. Coal, oil, and natural gas are all examples.
Light bulbs produce two types of energy. What are they?
Thermal energy and radiant energy
Why do most people today prefer to use LED lights rather than older light bulbs?
Older lightbulbs create a lot of heat energy that is dissipated. This is wasted energy. LED lights generate less heat and are more energy efficient.
Energy created through electromagnetic waves. A major source of it is the sun. What kind of energy is it?
Radiant
This type of energy comes from objects when they move. Wind is a source of this form of energy.
Mechanical
________ is the movement of electrons through a conductor a)kinetic b) potential c) electrical d) mechanical
Electrical
Solar is the energy that comes from splitting an atom. True or False?
False. Nuclear
What is static electricity?
Static electricity occurs when two different materials rub together, causing electrons to be transferred from one object to the other.
The residential sector consumes the most energy. True or False?
False. The industrial sector does
List 3 examples of conserving resources
Turning off all the lights before leaving the house, walking to school instead of driving, hanging up laundry to dry outside
Solar energy is a fossil fuel. True or False?
False. Gas, petroleum, and coal are fossil fuels.
When we eat and digest food, it is an example of __________energy.
Chemical
Kinetic energy is energy at work. True or False?
True
