1. The Great Tomato Race Starter: 9.11.07 Pg. 4
What do we already know about ketchup?
What are we trying to find out?
What are we going to do to find our answer?
What variable are we going to change on purpose?
How will we know if our experiment is working?
What do you think is going to happen?

2. Experimental Design Objectives 8.22.07
Students will be able to conduct a simple scientific investigation.
Students will be able to communicate designs, procedures, observations, and results of scientific investigations.
Students will be able to identify the independent variable, dependent variable, and the constants in an experiments.
Students will be able to develop a hypothesis related to the topic or information provided.

3. The Great Tomato Race Agenda 9.11.08
Read the experiment
Take up “Color of Pears Assignment”
Select your roles
Safety and Clean Up
Collect your materials
Get started (You will have 30 minutes to complete the activity)
Complete the Experimental Design Ditto “Questions 1-9)
Complete parts for homework
Clean up
Dismissed

4. The Great Tomato Race Starter 8.21.07
On page 4 of your composition notebook, complete the following starter.
Read the experiment on the great tomato race. In three sentences, summarize the entire experiment.
In this experiment, which role do you think you would be best at performing? (recorder, time, stage, leader)

5. Roles and Responsibility
Recorder
Records the data
Makes sure that everyone in the group is recording the same information.
Time Keeper
Keeps up with the time
5 min. (Organization)
25 min. (Complete Lab and Record Data)
5 minutes (Clean Up Areas)
Stage
Makes sure the group has the correct materials
Makes sure that all of the materials are in the correct tray when finished
Makes sure that the plates are clean

6. Materials for each group
3 cups; labeled hot, cold, and room temperature
3 rulers
3 paper plates with a start and finish line
1 liter of water at each station
9 packets of ketchup per group
1 pair of tongs if needed
1 cup of ice
Use of second of clock in the front of the classroom
Hot or warm water (Heat up water bottles)

7. Before You Leave 8.21.07 Clean your areas
Complete the Class Data Chart that’s taped to the door that leads to the science storage room.
I need this data for our lesson on

8. Planning for the experiment
I need a total of 380 packets of ketchup (66) Need: 314
I need to be able to warm up at least 9 bottles of water to 100 degrees Fahrenheit. (Thermometer, stand, and a clip)
Set up the plates with a start and finish line.