Show:
work and machines
Heat
Sound and Light
electricity and magnetism
Earth
100
simple machine containing a bar that can turn around a fixed point
What is a Lever
100
A form of energy resulting from the motion of particles in matter
What is heat?
100
to move rapidly back and forth
What is vibration?
100
complete unbroken path for electric current
What is closed circuit?
100
it has 70 percent water and 30 percent land
What is Earth?
200
force applied to a machine by the user
What is effort force?
200
to change from liquid to gas
What is evaporation?
200
a form of energy that sometimes can be seen
What is Light?
200
Movement of electric charge from one place to another
What is an electric current?
200
an imaginary line through earth, connecting the North and south pole
What is the AXIS?
300
tool with few parts that makes it easier ot possible to do work
What is a simple machine
300
a measure of how fast an objects particles are moving
What is temperature?
300
small bundles of energy that make up light
What is photons?
300
the energy that a power source gives to electrons in a circuit
What is voltage
300
Spinning of the earth
What is rotation?
400
a fixed point around which a lever rotates
What is a fulcrum?
400
a unit of measurement on a temperature scale
What is a degree?
400
a clear pieve of glass or plastic that is shaped like a triangle and can be used to separate white light.
What is a prism?
400
incomplete or broken path for electric current
What is an open circuit?
400
area that has the same clock time within the zone
What is Standard time zone?
500
Three classes of Levers
What are first class, second class, and third class levers?
500
the temperature scale commonly used in the U.S.
What is Farenheit?
500
the band of colors that make up white light.
What is visible spectrum
500
area around a magnet in which magnetic forces can act.
What is a magnetic field?
500
the movement of one object in its orbit around another object in space.
What is a revolution?