Fillable Making Bioplastic 1 tablespoon (14 g) cornstarch 2 (Nebraska Farm Bureau Foundation for Agriculture)

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Making Bioplastic 1 tablespoon (14 g) cornstarch 2 (Nebraska Farm Bureau Foundation for Agriculture)

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Name:________________________________
Making Bioplastic
MATERIALS:
1 tablespoon (14 g) cornstarch
1 tablespoon (15 mL) wate
r
2 drops corn oil
PROCEDURE: Part 1
1. Measure 14 g (1 tablespoon) of cornstarch into your plastic bag.
2. Add 15 ml (1 tablespoon) of water to the cornstarch.
3. Add 2 small drops of corn oil to the mixture in your bag.
4. Add 2 drops of food coloring to the mixture in your bag.
5. Seal the bag, and squish it gently to mix everything together.
_____
_______________________________________________________________________________________H
How does it feel when you slowly squish the bag?
Describe the mixture in your plastic bag:
________________________________________________________________________________________
________________________________________________________________________________________
____________________________________________________________________________________
Does it feel the same when you squeeze the bag quicker/harder?
_________________________________________________________________________________________
________________________________________________________________________________________
Is your mixture a solid or a liquid? ________________________________
PROCEDURE: Part 2
6. Microwave your mixture on high power for 20 seconds. Be sure to leave the bag open a tiny bit so that
steam can escape. Be careful, the plastic will be hot!
7. Let it cool for several minutes. While it is cooling answer the questions below.
What does your new substance look like? How is it dierent from the mixture you started with?
__________________________________________________________________________________________
__________________________________________________________________________________________
If your plastic is cool, knead it with your hands. What does it feel like? Describe its other properties.
__________________________________________________________________________________________
__________________________________________________________________________________________
What could you make with your bioplastic? What couldn’t you make? Why?
__________________________________________________________________________________________
__________________________________________________________________________________________
What is used to make bioplastic?
__________________________________________________________________________________________
__________________________________________________________________________________________
2 drops food coloring
1 measuring spoon
Ziploc bag
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Making Bioplastic 1 tablespoon (14 g) cornstarch 2 (Nebraska Farm Bureau Foundation for Agriculture)

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Completed 21 April 2021

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