Light as an Environmental factor for animals - experiment

Light as an environmental factor

Question:  How does the environmental factor light effect ………………………..?

Equipment:  Light source, tray of aluminum foil (see temperature), ………………. And a black cover for the foil.

Procedure:  Take the light source and set it up at one end of the tray so the first section of the tray is in the light.  The rest of the sections will be in various shades of darkness down to very dark at the opposite end.  Take the ……………… like before and place one in each section and record where the ………………. are after each minute for ten minutes. 

Record the results below.

Graph results.

Summarize results.

Results:

Does the class data indicate an optimum range of light?

If so what is it?

If you were going to look for ……………………… outside where would you look (include what you learned from the last experiment)?

Conclusions:

 

Dr. Robert Sweetland's Notes ©