Photosynthesis & Respiration Equation Breakfast



Photosynthesis & Respiration Equation Breakfast

You will be using breakfast cereal to model the chemical equations for photosynthesis and respiration. You may eat your cereal when you have completed the activity; so wash your hands first and then keep your cereal off the desktop and on a sheet of paper.

A. Obtain your cereal and decide which color(s) will represent each of the atoms needed.

1A. Which color represents Carbon? ________________

2A. Which color represents Hydrogen? ______________

3A. Which color represents Oxygen? ________________

B. Photosynthesis chemical equation.

1B. Use your cereal to model the reactants of photosynthesis. Draw them in the space below; be sure to color your drawing to identify the different atoms.

2B. Now model the products of photosynthesis. Draw them in the space below; be sure to color your drawing to identify the different atoms. (hint: see the glucose molecule on the back pg)

3B. Write the chemical equation for photosynthesis using the chemical formulas and words for the reactants and products.

_____________ + _____________ ( _____________ + _____________

_____________ + _____________ ( _____________ + _____________

C. Cellular respiration chemical equation.

1C. Use your cereal to model the reactants of cellular respiration. Draw them in the space below; be sure to color your drawing to identify the different atoms.

2C. Now model the products of cellular respiration. Draw them in the space below; be sure to color your drawing to identify the different atoms.

3C. Write the chemical equation for cellular respiration using the chemical formulas and words for the reactants and products.

_____________ + _____________ ( _____________ + _____________

_____________ + _____________ ( _____________ + _____________

D. Connecting the processes.

1D. How are the products and reactants of photosynthesis and cellular respiration related?

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glucose[pic]

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