October/November 2015 Teacher's Guide Table of Contents


Eating with Your Eyes: The Chemistry of Food Colorings



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Eating with Your Eyes: The Chemistry of Food Colorings



Directions: As you read, complete the graphic organizer below to compare and contrast natural and artificial food dyes. You could include information found in the infographic on page 19 of this issue of ChemMatters.





Natural Food Dyes

Artificial Food Dyes

Examples, including colors







Advantages







Disadvantages







How they work









Summary: After reading this article, will you notice the dyes in your food? Explain your reason(s) on the back of this paper.


Tooth Decay: A Delicate Balance


Directions: As you read the article, complete the graphic organizer below to describe how chemistry helps us understand each topic listed.





Chemicals

Chemical Structure and/or Chemical Equation

Tooth enamel







Dentin







Acids & Bases in your body







Acids & Bases in your mouth







How tooth decay is treated








Summary: On the back of this paper, write a sentence to explain how chemical equilibrium helps prevent tooth decay.

Probiotics: Good Bacteria, Good Health



Directions: As you read the article, complete the graphic organizer below to describe probiotics.


How are they made?

What are they?



Probiotics




How do they work?

What are some of their advantages?


Summary: On the back of this sheet, describe probiotics you might try after reading the article, and why you might eat them.

Dirt? Who Needs It? How Hydroponics Is Poised to Change the World



Directions: As you read the article, complete the graphic organizer below to describe what you learned about hydroponics.

3

New things you learned




2

Ways an understanding of chemistry helps farmers grow plants hydroponically




1

Question you have about hydroponics




Contact!

What would you like to tell others about hydroponics?





Light in the Cellar of the Sea



Directions: As you read the article, complete the graphic organizer below using your own words to describe how each sea creature uses light in the deep ocean.


Sea creature

How it uses light

Midshipman fish




Cookiecutter shark




Female anglerfish




Swima bombiviridis




Mantis shrimp




Add a creature not mentioned above






  • In the graphic organizer below, tell how two scientists are studying deep-sea organisms to improve human life:




Scientist

Organism studied

How the study helps humans






















  • Summary: On the back of this paper, write a sentence describing something you learned from the article, and why the information is important to you.

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