See more activities in: Fifth Grade, Physical Science
What makes glue, paste or tape stick to things? Adhesives are used to stick things together. Wood, paper and many other materials have tiny cracks and holes in them. When we glue things together, sometimes the glue seeps into the tiny openings and hardens, making the materials stick together. Other times, the molecules on the surface of an object mix with the glue molecules, making the objects stick together.
Did you know you can make glue from milk? Try this experiment and the results will “stick” with you for a long time.
What You Need:
- A tall, clear glass
- Non-fat or skim milk
- White vinegar
- Coffee filters or paper towels
- 2 pieces of paper
Show Instructions
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