ACROSS
|
3. |
A
solution is ______ when it has a pH higher than 7.0. |
![Crossword Puzzle](images/puzzle.gif)
POSSIBLE
ANSWERS:
ACID
ALLOWANCE
BASIC
CARPOOL
COAL
CONSERVATION
DEPOSITION |
ECOSYSTEM
GEOTHERMAL
NUTRIENTS
SCRUBBER
SUN
WATER |
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5. |
When
power plants burn ______, they release sulfur dioxide and nitrogen oxides
into the air. |
7. |
Wet
___________ refers to acidic rain, fog, and snow. |
9. |
______
deposition can be wet or dry. |
11. |
_________
energy comes from the heat stored in the earth. |
13. |
A
________ removes sulfur dioxide from the gases leaving the smokestack of
a power plant.
|
|
DOWN |
1. |
The
government gives an __________ to a power plant, letting it release a set
amount of sulfur dioxide. |
2. |
One
way that people can help prevent acid rain is by joining a ________, in
which individuals share rides to their destination and reduce the number
of cars polluting the air. |
4. |
By
turning off the lights when you leave a room, you are practicing energy
________. |
6. |
An
________ consists of plants and animals and the environment in which they
live. |
8. |
Acid
rain dissolves and washes away important ________ found in the soil that
are necessary for the healthy growth of plants. |
|
10. |
Hydroelectricity
is produced from the energy of running _______. |
|
12. |
Solar
energy is energy that comes from the ___. |
![Answer Key](images/puzzle_answer.gif) |
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