The _______ of the storm knocks over the tree.
power
A _______ is a great power in nature.
force
To _______two things, think about how they are connected.
relate
When something is _______, it is ready to take.
available
A _______ is something that people need and use.
resource
Wind is a _______ resource.
renewable
Water is _______ in the desert.
scarce
A _______ is something helpful.
benefit
This is how we get _______.
electricity
_______ means saving or protecting something.
Conservation
This is a _______ rock formation.
natural
To _______ is to move freely.
flow
This is a _______.
landscape
A solar panel _______ sunlight into energy.
converts
Windmills can _______.
generate electricity
When something is _______, it is happening now.
current