mixtures and solutions

The part of a solution that dissolves.

• mixture

• solute

• solvent

• liquid

Which example below describes a simple mixture where the ingredients maintain their physical properties?

• bucket of saltwater and sand
• peanuts, raisins, and chocolate pieces
• sugar and water
• all of the above

You have the following solids in a lab: salt, sand, lemonade powder, and pepper.  Which solids will dissolve in water to create a solution?

• pepper, sand, and salt
• salt, lemonade powder, and sand
• salt and lemonade powder
• pepper and sand

Tags

NGSS.MS-PS1-2

You know that a substance has dissolved when it-

• becomes a solid

• produces condensation and has water droplets

• spreads evenly throughout a liquid

Mixtures are combinations of two materials that retain their physical qualities.

• True
• False

Tags

NGSS.5-PS1-2

NGSS.5-PS1-3

NGSS.5-PS1-4

Trail mix, with nuts, raisins, pretzels and candy pieces is a good example of a mixture.

• True

• False

Ocean water is a solution?

• True

• False

The amount of the solute that is dissolved in the solvent is the ______________ of the solution.

• Density

• Solubility

• Insolubility

• Conductivity

Which of the following would cause the powder to dissolve more quickly?

• Let the powder sit in the bottom undisturbed

• Reduce the temperature of the water

• Stir the powder in the water rapidly

• Increase the size of the particles in the mix

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

A _____________________ is a type a mixture where the substances are evenly distributed throughout the mixture.

• solution

• solvent

• solute

• mixture