The sun gives us this type of energy
Light Energy
Sound is made up of these...
Vibrations
True or False:
Is warmth from the sun considered heat energy?
True or false:
Plugging a fan into the wall is an example of electrical energy?
True
True or False? Energy cannot be created nor destroyed.
True- only transferred or passed on to other things.
Light travels in what type of path?
A straight line
If the pitch of something is low the sound waves will be..
More spread out
What is friction?
When objects are rubbed together.
What is the definition of electrical energy?
Energy made from the flow of electric charges
What is the definition of energy?
The ability to do work or to cause changes.
What is it called when light bounces off of a surface?
Reflection
If something has a higher pitch what will the sound waves look like?
Does heat energy make molecules move faster or slower?
Faster
Mechanical Energy
Chemical energy is an example of what energy?
Potential
What is it called when light bends?
Refraction
Sound travels fastest through what state of matter?
A solid
Heat energy is the measurement of how quickly the _______ are moving.
Molecules
Electrical Energy is ________ moving which causes a charge?
Electrons
Potential + Kinetic energy = ?
Mechanical Energy
Kid A is wearing a pink shirt. Kid B is wearing a black shirt. It is a sunny day, what Kid would feel hotter temperature wise? Why?
B- Black absorbs the heat
When is sound energy produced?
When particles of matter move- vibrations
Heat Energy is a form of what energy?
Kinetic
Why is a roller-coaster an example of mechanical energy?
Because there is a combination of both potential and kinetic
What are the two groups of energy?
Potential energy and kinetic energy