Quiz 1 and 2/ Test 1 Study Guide Flashcards
All living things have working, or _____________ energy.
kinetic
A(n) ______________ circuit turns off an electrical device.
open
To change energy from one kind of energy to another.
convert
________________ electricity is a buildup of electrical charges.
Static
Stored energy is ___________________ energy.
potential
A(n) ______________ circuit allows electricity to flow in a complete circle.
closed
To move energy from one place to another.
transfer
To repel is to ______________________.
push apart
An electron is the _____________________ part of an atom.
negative
_______________ is the ability to do work.
Energy
Name good conductors of electricity.
copper, water, metal
Name good insulators of electricity.
plastic, wood, rubber
A ____________________ object can give off light.
Luminous
Sound waves travel fastest through which state of matter?
solids
____________ travels faster than anything else.
Light
The highness or lowness of a sound.
Pitch
Each color of the spectrum has a different __________________.
wavelength
Faster sound vibrations make __________________ pitches.
higher
____________ always travels in a straight line.
Light
Dark area or shape cast by an opaque object.
shadow
To move rapidly back and forth.
vibrate
Material that transmits light, allowing it to pass straight through.
transparent
Material that allows no light to pass through.
opaque
Material that allows light through but scatters it so object cannot be clearly seen.
translucent
The bending of rays of light as they enter a new material.
refraction
When light bounces, or is thrown back, changing its direction.
reflection
____________ are particles which make up a molecule.
Atoms
___________________ is the measure of a wave’s strength.
Amplitude
All matter is made of particles called ______________________.
molecules
The loudness or softness of a sound.
volume
A material that CAN easily transfer energy.
conductor
A material that CANNOT easily transfer energy.
insulator
A machine that converts mechanical energy into electrical energy.
generator
The flow of electrons along a path is ________________ electricity.
current
Can translucent material scatter light?
yes
_____________ is a form of energy that is released when an object vibrates.
Sound
A _________________ is measured from one crest of a wave to another.
wavelength
The highest point of a wave is called a ____________.
crest
List the colors of the spectrum in order.
red
orange
yellow
green
blue
violet
To change from one kind of energy to another.
convert
