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Importance of Corn
13

Importance of Corn. Evolution of Corn left to right: teosinte - F1 hybrid – maize (tee-uh-SIN-tee)

Mar 27, 2015

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Melissa Newton
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Page 1: Importance of Corn. Evolution of Corn left to right: teosinte - F1 hybrid – maize (tee-uh-SIN-tee)

Importance of Corn

Page 2: Importance of Corn. Evolution of Corn left to right: teosinte - F1 hybrid – maize (tee-uh-SIN-tee)

Evolution of Corn

left to right: teosinte - F1 hybrid – maize(tee-uh-SIN-tee)

Page 3: Importance of Corn. Evolution of Corn left to right: teosinte - F1 hybrid – maize (tee-uh-SIN-tee)

• Teosinte

Page 4: Importance of Corn. Evolution of Corn left to right: teosinte - F1 hybrid – maize (tee-uh-SIN-tee)
Page 5: Importance of Corn. Evolution of Corn left to right: teosinte - F1 hybrid – maize (tee-uh-SIN-tee)
Page 7: Importance of Corn. Evolution of Corn left to right: teosinte - F1 hybrid – maize (tee-uh-SIN-tee)

Corn Plastic

How Stuff Works: Corn Plastic (click on picture)

Page 8: Importance of Corn. Evolution of Corn left to right: teosinte - F1 hybrid – maize (tee-uh-SIN-tee)

Procedure

1. Place a tablespoon of cornstarch in a resealable plastic bag.

2. Add 2 drops of corn oil to the cornstarch.

3. Add 1 ½ tablespoons of water to the oil and cornstarch.

4. Mix the mixture.

5. Add 2 drops of food coloring to the mixture and mix well.

Page 9: Importance of Corn. Evolution of Corn left to right: teosinte - F1 hybrid – maize (tee-uh-SIN-tee)

Observations

1. What do you notice about your biodegradable plastic?

2. Is your biodegradable plastic the same as your neighbors?

3. What could you make with this biodegradable plastic if you let it harden?

Page 10: Importance of Corn. Evolution of Corn left to right: teosinte - F1 hybrid – maize (tee-uh-SIN-tee)

Procedure

6. Seal the bag and knead well to a uniform consistency.

7. Microwave your plastic for 20-25 seconds on high. Unseal bag before microwaving.

Page 11: Importance of Corn. Evolution of Corn left to right: teosinte - F1 hybrid – maize (tee-uh-SIN-tee)

Observations

4. What happens to your plastic?

5. Form your plastic into a ball (while it is still warm) and describe what it does.

Page 13: Importance of Corn. Evolution of Corn left to right: teosinte - F1 hybrid – maize (tee-uh-SIN-tee)

Lab

Design an experiment to test the biodegradable plastic to traditional plastic

Examples of Variables:-Sunlight

-Air

You must follow the scientific method!