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