1. Tehya’s Pollution Solution
By:
Frank Klauder

2. Find vocabulary words in story
Directions: Find each word in the storybook and write down its definition.
1. Ecosystem: (p. 14) _________________
2. Environmental engineer: (p. 13)___________
3. Food web: (p. 25) ______________________
4. Technology: (p. 14) ____________________
5. Engineering Design Process: (p ) _____

3. What are the different parts of the ecosystem shown in the picture from 50 years ago?

4. Now take a look at the photo from today.

5. Ecosystem Pictures
Turn and find a partner to compare the two pictures.
Circle the differences you notice between the two pictures.

6. Ecosystem Pictures Compared

7. Why are the pictures different?
Questions
Answers
What do the birds eat?
What do the deer eat?
What were some of the differences between the pictures?
How can we use the pictures to help explain some of the changes?
Fish and insects
Plants
There were fewer birds in picture 2 but more fish and insects.
If there are fewer birds to eat the fish and insects, the fish and insect population can grow.