Mixing and dissolving matter

What are mixtures?

• a mixture in which substances spread out evenly and will not settle

• different materials placed together but keeping their own properties

• the degree to which a material will dissolve in another substance

• the substance in a solution that has the greatest amount

What is a solution?

• different materials placed together but keeping their own properties

• a mixture in which substances spread out evenly and will not settle

• the degree to which a material will dissolve in another substance

• the substance in a solution that has the greatest amount

In a chocolate milkshake, what is the solvent?

• Chocolate powder

• Chocolate syrup

• Milk

• Sugar

In homemade lemonade, what is the solute?

• water

• sugar and water

• lemon and water

• sugar and lemon

Which method is the best in separating the mixture of salt and water?

• sieving

• evaporation

• filtration

• sorting

Which of the following is a correct description for solids?

• closely arranged and in fixed positions

• closely arranged and vibrate in fixed positions

• closely arranged and can move around

• The particles move faster and become closer together.

All matter is made up of tiny _______________

• antimatter

• energy

• particles (atoms and molecules)

• bits

Tags

NGSS.MS-PS1-1

As particles are exposed to warmer temperatures they __________

• speed up

• slow down

• stay the same

• vibrate

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

How do materials change from one state of matter to another?

• They gain or lose energy

• They break appart

• The particles get stickyer

• They are magnetised to themselves

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

what happens to the particles when they are mixed to form a solution?

• a particles of the solute and solvent separate each other

• a particles of the solute and solvent are mixed up between one another

• a particles of the solute and solvent do not mixed each other

• A cloudy mixture of insoluble solid particles in a liquid

Tags

NGSS.MS-PS1-2