The most reliable source of energy for all life on Earth is ___.

Wind and rain can cause ___, the movement of soil from one place to another.

Which one of the following human activities would be most likely to increase soil erosion?

Earth would be too cold to support life as we know it without ___.

Used paper, grass clippings, and vegetable scraps can be turned into soil-enriching ___.

The 3 Rs of conservation are ___.

___ is electricity produced when the energy of falling water turns the blades of a generator turbine.

Rain can cause water pollution when it washes ___.

Water that collects between particles of soil and rocks are called ___.

Not only does it save resources to recycle metals and glass, it also takes far less ___ to make containers and other products from recycled minerals.

Teachers: Create FREE classroom games with your questions Click for more info!
©2007-2024 Review Game Zone | About | Privacy | Contact | Terms | Site Map