Amplify Unit 2 Chapter 3

Brain likes his tea with a lot of sugar. In fact, he likes 2 cups of sugar for every gallon of tea that he makes. Which of the following statements is true?

Sally is doing an experiment about mixtures and solutions. Which of her ingredients will probably NOT dissolve in water?

Recall what happened to the dye and water molecules during chromatography.

As the water molecules passed through the food coloring, they attached to the dye molecules and made dye molecules grow so the dye traveled up the paper. The

molecules of blue dye traveled the most, so they went the highest. The molecules of the red dye traveled less, so they did not go as high.

What caused the water molecules to attach to the dye and travel up the paper?

_______ is what you can observe or measure about something that helps you identify or describe it.

Your teacher places a piece of paper on a desk and then uses a fan to blow air at the paper. The paper flies off the desk and flutters to the ground. Which statement best

describes what happened?

Priya's family makes cheese from milk. Priya says this is a physical change. Priya's mother says this is a chemical change. Who is correct, and why?

When the molecules of a solid are attracted to the molecules of a liquid, they

When molecules of a solid aren't attracted to the molecules of a liquid they

Alejandro left a box of crayons in a car on a hot day. He took the box to school where the air conditioner kept the air cool. Much later, he opened the box. Inside the box he found one large lump of wax, instead of many crayons. Which statement best describes what happened?

Which two liquid molecules have similar properties and are mostly likely attracted to each other?