Modeling Matter

What happened to the sugar? 

• The sugar floated to the top surface

• The sugar disappeared after it was stirred.

• The sugar dissolved in the lemonade

• The sugar all settled to the bottom of the pitcher

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Maya says she can still taste the sugar in the lemonade even though

she can no longer see it. This is evidence that . . .

• the sugar dissolved in the mixture of lemon juice and water.

• the lemon added sweetness to the mixture.

• the sugar settled to the bottom of the glass.

Tags

NGSS.MS-PS1-2

This image is evidence that . . .

• Diego knows how to set up an experiment.

• sunlight has an effect on water.

• the sugar was still in the glass.

Tags

NGSS.MS-ESS2-4

This image shows . . .

• lemonade has a sour flavor.

• water molecules have a high attraction to sugar molecules.

• water molecules have a low attraction to sugar molecules.

Tags

NGSS.MS-PS1-2

If something is soluble in water, what does that mean?

• Its molecules are not attracted to water molecules.

• Its molecules are attracted to water molecules.

• Substances will settle to the bottom.

• Substances will float.

When Maya and her brother put sugar and water together, they created...

• A solid

• A mess

• A mixture

• A gas

What happens when a substance dissolves in water?

• The substance floats to the top

• The substance breaks down and becomes part of the water

• The substance sinks to the bottom

Tags

NGSS.MS-PS1-2

The ________ in a solution is the substance that is doing the dissolving, and there is usually more of that substance in a solution.

• solvent

• insoluble

• soluble

• solute

To mix evenly into a liquid by breaking apart into pieces that are too small to see:

• dissolve

• substance

• matter

• molecule

What is the main property that determines whether or not a substance will dissolve?

• Color

• Flavor

• Size

• Attraction