Wind was used to move sailing ships across the oceans and to __________ machines like windmills.
power
break
drive
fix
Now we use it to __________ electricity.
protect
sell
generate
share
It does not produce __________ gases or harm the environment.
harmful
colorful
strong
deep
Wind is a __________ resource—it never runs out.
hidden
dangerous
renewable
regular
Turbines must be placed in locations where wind is strong and __________.
sunny
cold
noisy
steady
It’s difficult to __________ the electricity to where it is needed.
protect
discover
remove
deliver
Some people say turbines spoil the __________ of natural places.
history
beauty
weather
safety
Scientists are working hard to __________ turbines more efficient.
push
turn
make
show
Wind energy may not __________ all of our problems.
solve
break
fix
explain
In the future, it might help us __________ a healthier planet.
test
save
build
control
