Machines
A device that makes work easier
Machine
Material that transmits light
transparent
Stored energy
potential
1
Red
Friction increases with a rough surface
True
What is the foundation?
The base of the building
Material that blocks light
Opaque
loudness or softness of a sound
volume
2
orange
Force is the amount of matter and object has
False- mass
What is the purpose of a frame?
Gives the building it's shape
What is luminous?
To give off light
material that can easily transfer energy
conductor
3
yellow
An energy transfer happens when energy is moved from one place to another
True
When would you use an inclined plane?
Loading heavy objects into a van
When light it bounced or thrown back it is __?
reflected
highness or lowness of a sound
pitch
4
green
A magnet has gravity because of its magnetic field
False- polarity
What is an example of a lever?
SeeSaw
What material scatters light?
translucent
what are the 3 parts of a light wave?
crest, trough, wavelength
5 and 6
blue, violet
Unbalanced forces prevent work from being done
Falce- balanced