2.6-2.8
_____ is the ability to do work.
Energy
What material doesn’t easily transfer energy?
Insulator
What does luminous mean?
To give off light
Who discovered laws of motion
Isaac Newton
Where is a magnet’s force weakest?
Center
What is potential energy?
Stored energy, waiting to be used
The flow of electrons along a path is called _______.
Current electricity
What is crest?
The highest point on a wave
What are the parts of an objects moving energy?
Mass, speed, direction
Has a wheel and a cord around it that helps lift heavy things
Pulley
What energy is moved from one place to another?
Transfer energy
Material that can easily transfer energy is _______?
Conductor
What is wavelength?
The distance from one crest to the next.
What is inertia?
A property of matter that makes it resist a change in motiom
What is polarity?
What are sources of fuel energy?
Coal, oil, and natural gases
What is kinetic energy?
Working or moving energy
Light and sound are examples of what?
Kinetic energy
What does balanced force do?
Prevents work from happening or nothing
What holds and balances weight?
Fulcrum
Atoms are particles that make up _____.
Molecules
What is converted energy?
Changing from one kind of energy to another
What is reflection?
Light that bounces or is thrown back
The push or pull on an object is called?
Force
What does a lever look like? Draw it
A seesaw or a lever you pump to raise a flat car tire