forms of energy
what mechanical energy
the energy of movement
what turns on a circuit
switch
what does the earth revolve around
the sun
what comes after evaporation
condensation
water found in lake, river and glaciers
fresh water
what is light energy
light that travels in waves
what is a closed circuit
when its connected
what does the moon revolve around
the earth
what is before evaporation
accumulation
what is it called when the earth goes around the sun one time
a revolution
what is electrical energy
the flow of electrons
what does a circuit need
battery, conductor and sometimes switch
how long does it take for the earth to revolve around the sun
365 days
what is after condensation
precipitation
what is a open circuit
when the circuit does not connect all the way
what is thermal energy
heat energy
what is a series circuit
when a break will cut off the lights
what is the percent of gravity on the moon
about 20 percent
what is before run off
pricipitation
two poles that are the same are
like poles
what are the five main energy´s
mechanical,electrical,light,thermal,sound
what is a parallel circuit
when a break will not cut off the lights
what is the sun made of
mostly helium and gases
what comes last in the water cycle
accumulation
what is it called when light bounces off of a mirror
a reflection