Test 3 Study Guide Flashcards
To ___________ energy is to change it from one kind of energy to another.
convert
A _____________ material can scatter light.
translucent
________________ forces do work.
Unbalanced
A __________________ is measured from one crest of a wave to another.
wavelength
Coal and other fuel sources are an example of kinetic or potential energy?
potential
The particles which make up a molecule are called ____________.
atoms
Is the crest the highest or lowest point of a wave?
highest
An object at rest will ______ ___ _______unless acted upon by an unbalanced force.
stay at rest
Light that bounces, or is thrown back, is called _________________ light.
reflected
The base of a building
foundation
Sound is a form of energy that is released when an object ______________.
vibrates
Light and sound are examples of kinetic or potential energy?
kinetic
A _______________ is a device that makes work easier.
machine
stored, waiting energy
potential
material which transmits light
transparent
material which can easily transfer energy
conductor
the highness or lowness of a sound
pitch
material that blocks light
opaque
material which cannot easily transfer energy
insulator
moving, working energy
kinetic
the loudness or softness of a sound
volume
to give off light
luminous
List the colors of the spectrum in order.
red
orange
yellow
green
blue
violet
the ability to do work
energy
the amount of matter an object has
mass
_______________ electricity is the flow of electrons along a path.
Current
A magnet has _________________ because of its magnetic field.
polarity
A ____________ gives a building its shape.
frame
An __________ ____________ happens when energy is moved from one place to another.
energy transfer
A _______________ is the most stable shape.
pyramid
All matter is made of particles called __________________.
molecules
______________ forces prevent work from being done.
Balanced
_____________ increases with a rough surface.
Friction
Like poles of a magnet ____________.
repel
A _____________ is the part of a lever that holds and balances weight.
fulcrum
Inertia is a ______________ of all matter.
property
This machine helps overcome friction.
wheel and axle
Opposite poles of a magnet ______________.
attract
