solar
This device converts sunlight into electricity
solar panel
•Wind turbines convert wind energy into this type of energy.
electrical
•Fuel cells combine hydrogen and this gas from the air.
oxygen
This tool measures voltage
multimeter
Name one renewable energy source
solar, wind, etc
•The brighter the light shining on a solar panel, the _____ the voltage.
brighter/higher
•The spinning parts of a wind turbine are called these.
blades
•Fuel cells use this gas as a fuel.
hydrogen
•The longer leg of an LED connects to the _____ side. Hint: Solar energy lab
positive (red)
solar energy comes from .........
THE SUN
•Changing this can increase or decrease how much energy a solar panel receives.
angle
•Stronger wind generally causes turbines to spin _____.
faster
•One byproduct (what is released) of many hydrogen fuel cells is this.
h20/water
•Adding more light to a solar panel usually causes the motor to spin _____.
Faster
A solar panel is connected to a motor. The motor spins slowly. Name ONE thing you could do to make the motor spin faster.
More light, better angle, add another panel, move closer to light source.
•When two solar panels are connected in series, the voltage generally does this.
increases
•This renewable energy source depends on moving air.
Wind Energy
•Fuel cells produce electricity through a _____ reaction.
chemical
•Energy cannot be created or destroyed. It can only be _____.
transformed/transferred
A photovoltaic panel is also known as a .....
solar panel
•True or False: Solar panels produce electricity at night.
false
•Name one advantage of wind energy.
Renewable/low pollution
•Name one advantage of fuel cells.
low pollution/efficient
When would a solar panel likely produce more electricity?
On a sunny day
Alternative energy is good for the environment/world. Explain why or why not
Yes, less pollution/not using fossil fuels so cleaner energy.