Our Lakes
Science
Lesson #6
Seasons of a lake
Objectives:
- Students will be able to make notes from the information in this section to complete a comparison chart that shows the changes that occur in a lake over the seasons.
Materials Needed:
- Computers connected to the Internet
- Lakes Worksheet #S-6 (Seasons of a Lake)
Activity:
Hand out Lakes Worksheet #S-6
Students need to log onto www.kidfish.bc.ca. and click on the "Our Lakes" icon. Students then need to click on "seasons of a lake" in blue print.
Have students read this section and make notes on the worksheet as per instructions.
| Season | Conditions in the Lake |
| Winter | plants are dying or becoming dormant, oxygen being used up, no more oxygen into lake until spring, ice over lake |
| Spring | oxygen used up, Ice melts, winds bring oxygen into water, lake turns over, becomes murky then clears, plants and algae begin to grow, |
| Summer | More plants grow, produce oxygen, water gets warmer, top layer oxygen rich, fish live near surface for food and oxygen |
| Fall | Lake cools, winds cause turnover, oxygen throughout water, fish live throughout lake, fish feed a lot |