PERFORMANCE TASK

“The Perfect Breakfast”Goal: Your goal is to manipulate properties of matter in order to prepare the perfect breakfast AND explain what you did.

Description: You are a “scientific” chef and you arein a cooking competition with a science twist. Your objective is to create a delicious meal while identifying and explaining all the chemical and physical changes during the cooking process. Your “cooking” will be evaluated by a panel of judges with little or no background in cooking but a lot of expertise in physical and chemical changes.

Judging Criteria: Your ability to identify, provide evidence for, and explain the physical and chemical changes that occurred during the preparation of the various parts of the meal.

You will be given the time and laboratory equipment to prepare each of these items, but, more importantly, you should look at the performance task questions and be able to answer them as you go along.

Specific Instructions:• The Vitamin Tablet

1. Pour 100 ml of water into a Styrofoam cup. 2. Place a thermometer into the beaker and record the temperature. 3. Take the mass of the water/Styrofoam cup, and thermometer system with

the un-dissolved tablet, by placing all of these items on the platform/digital balance.

4. After you have done all of these, place the tablet into the Styrofoam cup. 5. Now, observe and record your observations.

•The Bacon

1. Take a single strip of bacon and place it into a beaker. 2. Take the mass of the entire system. 3. Cook the bacon and record your observations. 4. After the bacon is cooked, let the beaker cool and take the mass of the

system again. Record your observations.5. Place a thermometer into the bacon grease. Observe and record your

observations.

• Jell-O

1. Read the attached ingredients and instructions for the jell-o.

2. Prepare the jell-o and record your observations each step of the way.

•Pancakes

1. Read the attached ingredients and cooking instructions for the pancake mix. 2. Prepare your pancakes and record your observations each step of the way.