Forms of Energy
Kinetic Energy
What type of energy has movement?
The flow of electrical energy
What is electricity?
Battery (Cell)
What part of a circuit provides energy?
Energy transfer
When energy moves from one place to another, what is it called?
Water conducts electricity
Why should you never touch plugs with wet hands?
type of Energy from the Sun
What is Solar (or Light) Energy?
A circuit
What do we call a complete path for electricity to flow?
Switch
What part of a circuit turns on and off the flow of electricity?
Electrical -> light (and heat)
What energy change happens in a light bulb?
Turn off lights, unplug devices
What is one way to save energy at home?
Chemical Energy
What type of energy is stored in food?
Electricity cannot flow
What happens if a circuit is open?
Carry electricity
What do wires do in a circuit?
Chemical -> kinetic
What energy change happens when you eat food and run?
They don't run out and are better for the environment
Why are renewable energy sources important?
Elastic Potential Energy
What form of energy is stored in a stretched elastic band?
Many possible (TV, fridge, lights)
What is one device that uses electricity at home?
Bulbs may get dimmer
What happens if you add more bulbs to a simple circuit?
Electrical -> thermal (heat)
What energy change happens in a toaster?
Solar, wind, hydro
Name one renewable energy source
Examples: light, heat, sound, electrical, chemical
Name two forms of energy
Conductors
What do we call materials that allow electricity to flow easily?
A part that uses energy (bulb, buzzer)
What is a load in a circuit?
Energy is never 100% efficient
Why is some energy always lost as heat?
It can cause injury or fires
Why should we be careful with electricity?