Chapter 12 - Energy Flashcards
What is potential energy?
Stored energy that may not cause changes now, but could in the future.
What is electromagnetic energy?
A combination of electrical and magnetic energy.
What is kinetic energy?
Energy due to motion
What is chemical energy?
The energy of electrons that form bonds between atoms in molecules.
What is energy?
The ability to do work or cause change.
What is vibration?
The back and forth motion of an object.
What is reflection?
When light bounces off an object.
What is refraction?
The bending of light.
What is translucent?
Let’s some light pass through, but not all.
What is transparent?
Let’s nearly all light pass through.
What is opaque?
Does not let any light through.
What is mechanical energy?
Potential and kinetic energy combined.
What does the law of conservation of energy state?
Energy cannot be created or destroyed. It can only change form or be transferred.
Name and describe 2 types of potential energy.
Gravitational - energy depends on objects position relative to earth.
Elastic - energy present when things are bent or stretched.
What is the relationship between potential and kinetic energy?
It’s an inverse relationship. They can both be present in one object at the same time.
