ACS: Science ABCs - 'G' is for Glue

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ACS: Science ABCs - 'G' is for Glue

Garretta loves her granny,
Who now has moved away.
Garretta used to see her
At least three times a day.

She wants to send a greeting
And has no time to waste.
Garretta finds her scissors,
Some paper and some paste.

She wants the card sent quickly—
But runs right out of glue.
Can she find some sticky stuff?
What will Garretta do?

 

 

Try this activity

What You’ll Need

  • 2 tablespoons vinegar
  • 1/2 cup warm milk
  • 1/4 teaspoon baking soda
  • measuring cup and
    spoons
  • plastic straw for stirring
  • 3 8oz paper cups
  • small pieces of paper
  • coffee filters

 

Why does Garretta use milk to make glue?

Milk has a protein in it called casein (KAY-seen). When vinegar is added to the milk, thick white lumps form that are mostly casein. The casein is attracted to the fibers in the paper, causing them to stick together. This bond strengthens as the glue hardens.

ACS (American Chemical Society)
Science Topics
Chemistry, Polymers
K-6
Kindergarten, 1st Grade, 2nd Grade, 3rd Grade, 4th Grade, 5th Grade
Download PDFs
PDF File
Descriptions of PDFs

Try this activity

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ACS: Science ABCs - 'G' is for Glue

Garretta loves her granny,
Who now has moved away.
Garretta used to see her
At least three times a day.

She wants to send a greeting
And has no time to waste.
Garretta finds her scissors,
Some paper and some paste.

She wants the card sent quickly—
But runs right out of glue.
Can she find some sticky stuff?
What will Garretta do?

 

 

Try this activity

What You’ll Need

  • 2 tablespoons vinegar
  • 1/2 cup warm milk
  • 1/4 teaspoon baking soda
  • measuring cup and
    spoons
  • plastic straw for stirring
  • 3 8oz paper cups
  • small pieces of paper
  • coffee filters

 

Why does Garretta use milk to make glue?

Milk has a protein in it called casein (KAY-seen). When vinegar is added to the milk, thick white lumps form that are mostly casein. The casein is attracted to the fibers in the paper, causing them to stick together. This bond strengthens as the glue hardens.

ACS (American Chemical Society)
Science Topics
Chemistry, Polymers
K-6
Kindergarten, 1st Grade, 2nd Grade, 3rd Grade, 4th Grade, 5th Grade
Download PDFs
PDF File
Descriptions of PDFs

Try this activity

What are you looking for?

Organization

ACS (American Chemical Society)

Website URL

Type of Resource

PDF File
Tutorial
Video

Assigned Categories