
Central Elementary School
Petoskey, Michigan
Mrs. Slack’s PALS group, Second and Third Graders
We investigated our pond 4 different times. We used the pond in Mrs. Slack’s back yard in Harbor Springs, Michigan.
Hypothesis: Our whole group thought that pond life would be different around the world.
Our first investigation date was March 28, 2007. Mrs. Slack brought pond water to our classroom to investigate.
We found:
|
Damselfly Nymph |
Very few |
|
Midge pupa |
Many |
|
Orb snail |
Very few |
|
Daphnia – Water flea |
Very few |
Our second investigation date was April 18, 2007. Mrs. Slack brought pond water to our classroom to investigate.
We found:
|
Midge larva |
Many |
|
Midge pupa |
Many |
|
Fairy shrimp |
Very few |
Our third investigation date was May 2, 2007. Mrs. Slack brought pond water to our classroom to investigate.
We found:
|
Fairy shrimp |
Very few |
|
Amphipod or scud |
Very few |
|
Mayfly larva |
Very few |
|
Midge larva |
Very few |
|
Caddisfly larva |
Very few |
|
Threadworm |
Very few |
Our fourth investigation date was May 16, 2007. We took a trip to Mrs. Slack’s house to do this investigation.
We found:
|
Caddisfly larva |
Very few |
|
Water boatman |
Many |
|
Alderfly larva |
Very few |
|
Water snipe fly larva |
Very few |
|
Water beetle |
Very few |
|
Pouch snail |
Very few |
|
Tadpole |
Very few |
As we continued our investigation we noticed that each time we found different macroinvertebrates.