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Following is a portion of a lesson plan available for STEM teaching the "Journey of Ingredients from soil to slice." The journey is "real world mock pizza business" introducing kids to careers in science, technology, engineering and math including growing, distributing, processing, marketing and recycling. Lessons require students to explore, engage, explain, elaborate and they are evaluated. 

Pizza Dough From Scratch

Estimated Time: 2 days, 2 hours per day            Estimated Prep Time: 2 hours

NGSS Standard(s) Addressed: 3-5ETS1-2 Generate and compare multiple solutions to a problem based on how well each is likely to meet the criterial and constraints of the problem.

3-5 ETS1-2 Generate and compare multiple solutions to a problem based on how well each is likely to meet the criteria and constraints of the problem.

DRIVING QUESTION: How do you make the best flour for your prize pizza dough?

ACTIVITY TITLE: Discovering the science of making dough and the reasons for the ingredients.

1-2 SENTENCE SUMMARY: Students design an experiment to discover the best grain to use, how to physically change it to flour and how the ingredients physically, chemically and yeast’s biological interaction to make pizza dough. Students are expected to demonstrate proficiency in asking questions, developing and using models, planning and carrying out investigations, analyzing and interpreting data, constructing explanations and designing solutions, engaging in argument from evidence, and obtaining, evaluating and communicating information.

LESSON OBJECTIVES By the end of this lesson, students will be able to (SWBAT):

Plan an investigation to determine how to make flour.Through searching, SWBAT describe how to convert grain to flour and flour to dough and demonstrate the purpose of yeast in the process.Work cooperatively with others to develop and explain a model for making dough for their business. Relate what kind of flour they prefer for their pizza.

Students are expected to demonstrate proficiency in asking questions, developing and using models, planning and carrying out investigations, analyzing and interpreting data, constructing explanations and designing solutions, engaging in argument from evidence, and obtaining, evaluating and communicating information.

MATERIALS One or more Coffee Grinders and one per group: a few kernels or berries of Wheat, Rye, Oats, Corn, and Sugar, Salt, Olive Oil, Yeast, Spoons, Forks, Dishcloth to cover the Food Items, Paper Cups, Mixing Bowls, Mixing Paddles, Plastic Trays to hold the food items, a roll of Paper Towels and Water in a pitcher. Allow for computer and smart phone researching.

MENTOR TEACHER NOTES AND REFLECTION Make sure you go over student behavior and etiquette before starting this lab. Kids may want to vocalize their displeasure to certain foods/ingredients that other kids may like – which could be very embarrassing for the student who is sharing. It needs to be clear that not everyone will like or dislike the same things, and that we must be accepting and tolerant of individual student choice.

PREPARATION

  1. Place a small amount of ingredients into individual Paper Cups.
  2. Place the cups and spoons onto the tray for each group. Cover these cups with the dish towels so that students will not be able to see them.
  3. Have one or more coffee grinders available if the groups elect to grind grain for flour (the teacher or volunteer should supervise any grinding of berries or kernels).
  4. Determine student groups (of no more than three or four) ahead of time for the lab portion.
  5. Have table name plates for teams to print the name of their pizza company and logo for team identity.
  6. Have computers and smartphones available for student researching.

LESSON

Explore

Ask students to answers the questions on their student lesson page.

Have students work in groups of 3 or 4. Ask them to share their answers with each other.

Give students the worksheet and have them read the introduction silently before asking them if they have any questions.

Show student the materials they can use in experimenting.

Have students design and write down steps to their experiment. Have them show you their designs first before you hand out the trays with materials. 

Engage

Have students run their experiments with the following individual team member roles:research flour making, research dough making, research the process of yeast in dough making..have them use a balloon/bottle experiment and explain on their worksheets.

Explain

Have students draw a model on how they will demonstrate the converting of ingredients to pizza crust and the biological process in adding yeast with a demonstration using a balloon. Have students present their models in front of the class or each individual can do a paper to explain the model. To ensure that everyone participates, each student must present a part of their model.

Elaborate

Ask students how they develop a recipe and process for for their "prize pizza."

Evaluate

Analyse individual worksheets, notes in journals and presentation participation to evaluate individual performance.

SAFETY

Have a teacher or volunteer responsible for grinding flour and conducting the yeast-balloon demonstrations. Make sure parents reveal whether students are allergic any food items involved. 

Student Page

Name_______________________________

You will be a food scientist in carrying out research. What education would you need to be a food scientist or food nutritionist?

Important: As you prepare your experiment, use your worksheet to write down what you plan to do and why you are doing each step.

Research Work

Step by step instructions to give to the student.

Explore

1. What kind of crust would you like for your business's favorite pizza?

2. What ingredients go into making this crust?

3. If the crust is made from a grain product, what processes are used to convert to pizza?

4. What is yeast's purpose in making pizza dough? Is it a physical, chemical or biological process?

5. What other food products might substitute for pizza crust?

6/. Using computer and or smart phone, research to answer the above questions.

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