|
|
| Name ________________________ | Date ____________________ |
Directions: In each space below, write in the word that matches the definition beside it.
1) ______________________________ : To remove dirt or stains from something.
2) ______________________________ : This type of precipitation is caused by pollution and is harmful to plants, animals, bodies of water, and buildings.
3) ______________________________ : This is another term for global warming.
4) ______________________________ : A person who helps or offers to do something without getting paid.
5) ______________________________ : The protection and more efficient use of natural resources.
6) ______________________________ : This occurs when running water, sea waves, wind, or glaciers pick up and carry away materials from the earth's surface.
7) ______________________________ : Harmful substances that are released and make our planet dirty, noisy, or unhealthy.
8) ______________________________ : The constant recycling and movement of water on Earth. Energy from the sun, plants, or animals causes water to evaporate. The water vapor rises in the atmosphere to form clouds. Rain returns the water from clouds back to the earth's surface.
9) ______________________________ : A unit of electric power, equal to one joule of work per second.
10) ______________________________ : Thermal energy that travels in waves and can pass through empty space as well as some objects.
11) ______________________________ : A solid, hard black mineral that burns and gives off heat.
12) ______________________________ : A plant with leaves, roots, and a single, woody trunk.
13) ______________________________ : A metal container.
14) ______________________________ : The place or type of environment where an animal or plant naturally lives or grows.
15) ______________________________ : The invisible mixture of gases we breathe.
16) ______________________________ : We must breathe this gas in the air to survive.
17) ______________________________ : This covers most of the earth's land, and is made up mostly of disintegrated rocks.
18) ______________________________ : A type of potential energy that can be burned to supply heat, such as wood.
19) ______________________________ : A type of fuel used in cars with internal-combustion engines. This is made from petroleum.
20) ______________________________ : Manufacturing companies and other businesses.
| | Privacy | About John's ESL Community |Contact | |
Copyright 2000, 2001, 2002 John's ESL Community. Allrights reserved. |