Light Energy
What is light energy?
a type of energy that travels in waves
What is sound energy?
Energy that we can hear, made by vibrations
What is heat energy?
A form of energy that moves from warmer objects to cooler objects
What is the difference between natural and man-made energy?
Natural energy comes from nature, while man-made energy is created by people.
What happens to light when it hits a mirror?
It reflects, or bounces off the surface.
How does sound travel?
Through solids, liquids, and gases
What is conduction?
Heat that moves by direct touch
Give two examples of natural energy sources.
The sun and the stars
Give an example of a natural source of light energy.
The sun
What is pitch?
It is how high or low a sound is
Name a natural source of heat energy.
The sun
Name one example of a man-made sound energy source
Radio
What is refraction?
It is when light bends as it passes from one thing to another
Give an example of a natural sound energy source.
Thunder
What is an example of a man-made source of heat energy?
A stove or oven
What is an example of natural light energy?
Lightning or the sun
Name one man-made source of light energy
A light-bulb
What is the difference between volume and pitch?
Volume is how loud or quiet a sound is, while pitch is how high or low the sound is
What happens when you rub your hands together really fast?
Your hands create heat and they start to get hot
What is a type of heat energy that is man-made?
A campfire or a blow dryer