Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
19 Cards in this Set
- Front
- Back
Opposite charges
|
attract each other
|
|
Like charges
|
repel each other.
|
|
Energy is
|
needed to do work
|
|
Energy is also
|
needed to make matter change
|
|
Kinetic energy
|
has energy because it is moving.
|
|
A rolling ball, and a swinging hammer are exaples of
|
kinetic energy
|
|
Potential energy
|
is stored or waiting to be used
|
|
a rock on top of a hill is an example of
|
potential energy
|
|
Work is
|
done when a force is used to move an object a certain distance
|
|
Energy comes
|
in many forms
|
|
Energy can be
|
transformed from one to the other
|
|
Electrical energy
|
is related to the movement of charged particles
|
|
Other forms of energy are
|
chemical, light, mechanical, thermal, nuclear, and sound
|
|
matter is made up of
|
atoms
|
|
Negative charges
|
are a minus (-) sign
|
|
Positive charges
|
are a plus (+) sign
|
|
Static electricity
|
is the buildup of electrical charges on a material
|
|
insulator
|
a material through which heat or electricity does not flow easily
|
|
conductor
|
a material through whick heat or electricity does flow easily
|