Chapter 1
Chapter 2
Chapter 3
Written Responses
Models
100

Put the states of matter in order of slowest to fasting moving 

What is solid, liquid, gas 

100

True or False? Cumin and citric acid dissolved in water

False: cumin did not dissolve

100

Which statement best describes how Gatorade is different after it solidified? Hint- liquid-solid

a. It is a liquid. b. It weighs more. c. It stays in one shape. d. It takes up less space.

What is c, it stays in one shape

100

True or false: I do not need to cite my evidence in a written response

What is false

100

How should I draw molecules in a solid?

Keeping their shape, tightly packed together, not much movement

200

How can I tell the difference between a substance and a mixture?

Substance is made of one ingredient, mixture is made of more than one ingredient

200

Butter weighs 100 grams, it's in a bowl that weighs 150 grams. How much will they weigh together when the butter melts?

What is 250 grams 

200

Keisha decides to mix both of the unlabeled powders into water and observe what happens. She puts 10 grams of each powder into two different cups. Each cup contains 100 grams of water. She stirs each mixture for 60 seconds.How much would you expect each mixture of water and powder to weigh?

What is 110 grams 

200

Give an example of a sentence starter for your reasoning section

What is "This supports my claim because...."

200

How should I draw a substance?

One same molecules in the drawing

300

Why does a solid dissolve in water? 

What is because it has high attraction to water molecules

300

What is an inference?

What is a conclusion reached on the basis of evidence and reasoning.

300

Which of the following are NOT visible to the human eye?

A grain of salt, An atom, A strand of hair, A molecule of water, A drop of dye


What is an atom and a molecule of water 

300

Name 3 sources of evidence from this unit 

What is, simulation, break it down, chromatography test, dissolving tests, oil and water tests, made of matter, science you can't see, solving dissolving.

300

How should I draw a mixture?

2 or more different molecules

400

If a solid leaves sediments in water, what does that mean?

What is it has low attraction or it's insoluble

400
Your friend claims that sugar completely disappears in water. Is this right or wrong? Why?

What is, wrong because the molecules still exist in the water they're just no longer visible

400

Kevin buys a new bottle of Gatorade from the store. He takes it home and weighs it. The bottle weighs 450 grams. Then Kevin puts the water bottle in the freezer until it solidifies. He takes it out and weighs it again. How much will it weigh?

What is 450 grams 

400

Kevin buys a new bottle of Gatorade from the store. He takes it home and weighs it. The bottle weighs 450 grams. Then Kevin puts the water bottle in the freezer until it solidifies. He takes it out and weighs it again. How did the molecules in the Gatorade change as they solidified?

What is the molecules started moving slower and got closer together.

400

How can I show dissolving in a drawing?

What is connect the molecules to water molecules to show high attraction

500

How does chromatography work?

What is the water molecules and dye molecules attract to each other.

500

Why is baking soda soluble in water but flour is not?

What is the baking soda molecules are attracted to the water molecules and the flour is not

500

What does an emulsifier do?

Allows 2 liquids that normally do not mix together, to mix together

500

Fat and water separate into layers when mixed together. When gelatin is added they are able to mix together. State a claim as to why this can happen.

What is the gelatin allows fat and water to mix together because it is an emulsifier

500

How should I draw the molecules that need an emulsifier?

What is the emulsifier in the middle, connecting the 2 other molecule shapes