Energy Forms & Transformations
What kind of energy does the sun produce?
Light energy
What is energy called when it’s made by vibrations?
Sound energy
What kind of electricity flows through wires?
Current electricity
Which instrument is used to measure wind speed?
Anemometer
What is the name of the energy that comes from the sun?
Solar energy
When wood burns, chemical energy changes into what two types of energy?
Light and thermal energy
What must sound have in order to travel?
A medium (like air, water, or solid)
What type of material lets electricity flow easily?
Conductor
What do clouds consist of?
Tiny water droplets
How do wind farms produce electricity?
They use turbines to convert wind energy into electrical energy.
What type of energy does a toaster produce when it heats bread?
Thermal energy
What is the name for light traveling in straight lines?
Rays
What device can stop the flow of electricity in a circuit?
Switch
What is the average weather over many years called?
Climate
What do we call the process when light bounces off a smooth surface?
Reflection
Plants turn sunlight into what form of energy?
Chemical energy
What happens to light when it bends passing through water droplets, making a rainbow?
It is refracted
Who invented the light bulb?
Thomas Edison
Which climate zone is near the equator?
Hot climate
What happens to matter when it gets heated and becomes bigger?
It expands (thermal expansion).
What do we call energy stored in an object before it moves?
Potential energy
Which type of light causes light pollution?
Artificial light
What kind of electricity is produced by rubbing a balloon on hair?
Static electricity
Why are mountain temperatures usually lower than lowland areas?
Because of high altitude
What type of electricity is created when lightning occurs?
Static electricity