JohnsEsl - An online community for teachers and students of ESL

Down:
2) We must breathe this gas in the air to survive.
3) A unit of electric power, equal to one joule of work per second.
4) To remove dirt or stains from something.
6) This covers most of the earth's land, and is made up mostly of disintegrated rocks.
8) This type of precipitation is caused by pollution and is harmful to plants, animals, bodies of water, and buildings.
10) The large body of saltwater that covers about 70% of the earth's surface.
11) The invisible mixture of gases we breathe.
12) Manufacturing companies and other businesses.
14) A person who helps or offers to do something without getting paid.
16) Any useless material that is thrown away.
18) A solid, hard black mineral that burns and gives off heat.
21) A plant with leaves, roots, and a single, woody trunk.

Across:
1) Thermal energy that travels in waves and can pass through empty space as well as some objects.
5) A type of fuel used in cars with internal-combustion engines. This is made from petroleum.
7) A metal container.
9) Harmful substances that are released and make our planet dirty, noisy, or unhealthy.
13) This occurs when running water, sea waves, wind, or glaciers pick up and carry away materials from the earth's surface.
15) This is the third planet from the sun.
17) The invisible mixture of gases we breathe.
19) The protection and more efficient use of natural resources.
20) To throw garbage on the ground instead of in a garbage can.
22) 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.

John's ESL Community Earthday Crossword

John's ESL Community
Earthday Crossword