Felix

Planning an Experiment—Biology Trimester Investigation Plan due on Friday, April 27th

EACH STUDENT IS RESPONSIBLE FOR WRITING UP A CLEAR PLAN FOR YOUR INVESTIGATION, EVEN IF YOU ARE WORKING IN A GROUP.

Question(s) for investigation:

An experiment to test the effect of cigarette smoke on the growth of plants.

Independent variable and how it will be measured:

The amount of smoke of a cigarette. The growth of the plant

Dependent variable(s) and how it (they) will be measured:

The plant and the water The water can be measured by how much is added each day. The time that the plant starts to grow.

Variables held constant: Amount of water given to each plant.

List of Materials and Sketch of the Setup:

Cigarette. Plant Water Lighter Soil Microscope Camera

Who else will work on this investigation? Who will be responsible for collecting materials to get started and when will all materials be ready to begin?

Me and my partner will work on this investigation. We will go and buy the plant this week and will be ready on Monday.

Procedure/Method: 1. Buy two identical plants 2. Take a photo of the cells in the plants under a microscope 3. Cover one of the plants by a glass cover with a hole in it( for oxygen to get in) 4. Light a cigarette and put it inside the glass cover without burning the plant for one of the plant 5. Take pictures everyday of the two and observe the difference 6.After a period of time we take the plants out and take a photo of the cells in the two..

Data: 1day 2days 5days 6days A week 10cm 12cm 14cm 16cm 17cm 9cm 10cm 11cm 12cm death This might be the growth of the plants The other data might be the pictures of the plants
 * Make a blank data table which you plan to fill out during the investigation
 * What other data do you expect to include in a report of your results?

Expectations: What do you think might happen and why?

The plant with the smoke might not grow as healthy as the other plant without the smoke and might even cause death of the plant. Also from the microscopic picture we might be able to find out the death of the plant to weather the smoke cause the cell to die or is it because of lack of living materials. Communication: I will put it on wiki page for others to read. To tell others smoke are bad for all living things.
 * How will you plan to communicate your work clearly to others?
 * What do you expect to accomplish in EACH of the next three class periods in which you can work on this investigation?