The Science of Slime and Oobleck

Which of the following is an example of a slime activator?

• water

• glitter

• borax

• food coloring

How does cross-linking affect the structure of polymers in slime?

• It changes the color of the polymers.

• It makes them more tangled.

• It makes them less tangled.

• It has not effect on the structure.

What is the effect of cross-linking on the viscosity of slime?

• It increases the viscosity.

• It decreases the viscosity.

• It has no effect on the viscosity.

• It changes the color of the slime.

Which of the following is a hypothesis about the effect of different slime activators on the stretchiness of slime?

• Borax and saline solution will have the same effect on slime stretchiness.

• Borax and saline solution will have no effect on slime stretchiness.

• Borax will make slime less stretchy than saline solution.

• Borax will make slime more stretchy than saline solution.

What is the function of polymers in slime?

• To make is stretchy.

• To make it colorful.

• To make is smell good.

• To make is slimy.

What is the purpose of a slime activator?

• To make slime smell good.

• To make slime more colorful.

• To make slime stretchy.

• To make slime slimy.

Which of the following is a correct statement about the flow of substances in slime?

• It changes direction after cross-linking.

• It becomes harder after cross-linking.

• It becomes easier after cross-linking.

• It stays the same after cross-linking.

What is the role of cross-linking in slime?

• To make is less slimy.

• To make it flow more easily.

• To make is smell better.

• To make it more colorful.

What happens when you mix glue with a slime activator?

• Nothing happens.

• The glue becomes more liquid.

• The glue becomes more solid.

• A chemical reaction occurs.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the relationship between the structures of polymers and the flow of substances in slime?

• The less tangled the polymers, the harder the flow.

• The more tangled the polymers, the easier the flow.

• The less tangled the polymers, the easier the flows.

• The more tangled the polymers, the harder the flow.