Matter, Mixtures, and Solutions

Which of the following describes the formation of a solution?

• A substance melts in another substance, forming a solution.

• A solid substance floats on top of a liquid substance, forming a solution.

• A substance breaks down into tiny pieces in another substance, forming a solution.

• A solid substance melts In a liquid substance, forming a solution.

Physical state of water that has the lowest temperature:

• Solid

• Liquid

• Gas

• Vapor

Which is an example of a solution?

• Oil and vinegar

• Fruit salad

• Trail Mix

• Salt and water

Which is an example of a mixture?

• Lemonade

• Iron fillings and sand

• Powder drink mix and water

• Dish soap

How are a mixture of sand and water and a mixture of salt and water different?

• Salt dissolves in the water. Sand does not dissolve in water.

• Sand dissolves in water. Salt does not dissolve in water.

• Sand floats in water. Salt sinks in water.

• Sand melts in the water. Salt sinks in the water.

Tags

NGSS.MS-PS1-2

Physical state of water that is invisible. Particles are far apart with no definite shape.

• Solid

• Gas

• Liquid

• Floating

Physical state of water that has no definite shape, but has definite volume.

• Solid

• Gas

• Liquid

• Vapor

How can you separate salt and water?

• Evaporation

• A funnel

• Using tweezers

• A strainer

Tags

NGSS.MS-PS1-4

How can you separate sand and water?

• Evaporation

• Using your fingers

• Using tweezers

• A paper filter

The balance shows equal amounts of mass on each side. Use the gram cubes shown to determine the mass of the ball on the right.

• 25 grams

• 28 grams

• 20 grams

• 18 grams

Tags

NGSS.5-PS1-2