mixture and solutions

The ability of a substance to dissolve in a liquid

• mixture

• matter

• soluble

• insoluble

Tags

NGSS.MS-PS1-2

Example of

• solution

• mixture

• insoluble

• gas

Tags

NGSS.MS-PS1-1

any change that causes a new substance to be formed

• salt

• physical change

• soild

• Chemical change

Tags

NGSS.MS-PS1-2

a substance that cannot dissolve in a liquid

• insoluble

• soluble

• mixture

• particle

A cup of sand is mixed into a bucket of rocks. Another cup of sand is mixed into a bucket of water. Which statement best compares the two buckets?

• •Both buckets are mixtures because the materials can be separated by physical means.

• Only the bucket with water is a mixture because the sand can be dissolved by the water.

• Only the bucket with rocks is a solution because the materials must be chemically divided from the rocks

• Both buckets are solutions because the materials must be separated by chemical means

Tags

NGSS.MS-PS1-2

•Veronica weighed an empty bowl and recorded its mass. Then she placed three ice cubes in the bowl and weighed it again. After the ice melted, she recorded the mass of the bowl and the water. She put the data in a table.

•

• What conclusion should Veronica make from her observations?

Ice and Water Experiment

Objects Mass

empty bowl            110 grams

bowl and ice cubes 153 grams

bowl and water      153 grams

• •A) The masses of the water and the ice were both 43 grams, so the amount of matter did not change.

• Some of the water spilled because the mass of liquid water should have been greater than the mass of solid ice

• There was an error in weighing the ice because the mass of liquid water should have been less than the mass of solid ice.

• •The masses of the water and the ice were both 153 grams, so the amount of matter did not change.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Malik weighed an empty beaker. The beaker weighed 50 grams. Then Malik added 115 grams of water to the beaker. He placed the beaker of water in a freezer until the water became solid ice. Which prediction should Malik make about the ice in the beaker

• The ice will weigh less than 115 grams. After the ice melts, the water will weigh less than 115 grams.

• The ice will weigh 115 grams. After the ice melts, the water will weigh 115 grams.

• The ice will weigh 115 grams. After the ice melts, the water will weigh less than 115 grams

• The ice will weigh less than 115 grams. After the ice melts, the water will weigh 115 grams.

Tags

NGSS.MS-PS1-4

The substance that is dissolved in a solution

• solvent

• mixture

• solute

• mass

anything you can observe about matter (size, shape, state, etc.) 

• molecule

• physical property

• particle

• condensation

Tags

NGSS.MS-PS1-4

a mixture of 2 or more substances that can not be easily separated and makes new substance

• moon phases

• solution

• mixture

• evaporation

Tags

NGSS.MS-PS1-2