Mixtures and Solutions

Combustion

• a chemical reaction that produces heat and light.

• matter cannot be created nor destroyed in any isolated system, but can only be converted from one form to another

• to become part of a liquid

• a tiny bit of matt that makes up everything in the universe

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

NGSS.MS-PS3-4

Conservation of mass

• a chemical reaction that produces heat and light.

• matter cannot be created nor destroyed in any isolated system, but can only be converted from one form to another

• to become part of a liquid

• a tiny bit of matt that makes up everything in the universe

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Dissolve...

• a chemical reaction that produces heat and light.

• matter cannot be created nor destroyed in any isolated system, but can only be converted from one form to another

• to become part of a liquid

• a tiny bit of matter that makes up everything in the universe

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Particles are...

• a chemical reaction that produces heat and light.

• matter cannot be created nor destroyed in any isolated system, but can only be converted from one form to another

• to become part of a liquid

• a tiny bit of matter that makes up everything in the universe

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-4

Louisa needs to demonstrate a solution to her class. Which is the best example of a solution?

• mixing salt and pepper

• melting butter

• stirring salt into water

• melting an ice cube

A student dissolves a spoonful of sugar in a glass of water and makes a

• solute

• solvent

• solution

• suspension

Tags

NGSS.MS-PS1-2

Students stir salt, sand, sawdust, and seashells into a jar filled with water. Which of the materials will form a solution?

• salt and water

• sand and sawdust

• seashells and water

• sawdust and seashells

Tags

NGSS.MS-PS1-2

Phyllis investigated what happened when she added some different substances to water. Which substance can combine with water to form a solution?

• oil

• rocks

• soil

• sugar

Tags

NGSS.MS-PS1-2

Which of these items contains only a solution?

• a bottle of juice

• a jar of pickles

• a bag of peanuts

• a can of mixed fruit

What will happen after stirring sand in a glass of water?

• the sand will dissolve in the water because sand in water is a solution

• the sand will dissolve in the water because sand in water is a mixture

• the sand will settle to the bottom because sand in water is a solution

• the sand will settle to the bottom because sand in water is a mixture