MM 1.5

What might have made the dyes (different color dyes) travel up the paper?

Sentence starter: The _______________ made the dyes travel up the paper.

Why do you think the food coloring separated? Use evidence (what you see) from the picture of the chromatography strip (paper).

Sentence starter: The food coloring separated because ________________

In our chromatography experiment, what was the test mixture, the medium, and the solvent?

What is the test mixture (what is being separated) in this model?

What represents the medium (what the test mixture moves through) in this model?

What represents the solvent (what helps the test mixture move) in this model?

How are the properties of the molecules different from one another?? (Foam sphere molecules, rock molecules, foam peanut molecules, velcro molecules) ?

PREDICT: Based on the properties of the objects above, list the objects in order based on how far you think they’ll move. Object that will move the least at the top and object will move the farthest on the bottom.

What properties made the spheres and foam peanuts move far?

Sentence starter: The ______________ of the spheres made it move far. The ______________ of the foam peanuts made it move far.

What properties made the rocks and the pieces of velcro move not very far?

Sentence starter: The ______________ of the rocks made it move not very far. The ______________ of the velcro made it move not very far.

Using the word attract, explain why the velcro molecules didn’t move very far on the felt.

What are two observable properties (properties that you can observe with your 5 senses) of the object below?

What are two observable properties (properties that you can observe with your 5 senses) of the object below?

What are two observable properties (properties that you can observe with your 5 senses) of the object below?