Back to the lesson guide
Sprout & Fin · Worksheet
Lesson 22 · Grades 4–8

When things go wrong: fish, plants, or bacteria?

Name Date

Label the picture. Write the name next to each letter.

  • A · ammonia
  • B · nitrite
  • C · pH
  • D · water temperature

Answer in your own words.

  1. Fish gasp at the top of a system set up one week ago. What is wrong?

  2. The test kit shows high nitrite. What does that mean?

  3. Why do growers change only one thing at a time?

Draw or explain

When something goes wrong at home or at school, how do you find out what caused it?