Solutions and Mixtures

 

Which is an example of a solution?

• Oil and vinegar

• Fruit salad

• Salt and water

• Milk

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 floats in water. Salt sinks in water.

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

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

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

• Solid

• Liquid

• Gas

• Floting

Tags

NGSS.MS-PS1-4

How can you separate salt and water?

• Evaporation

• A funnel

• Using tweezers

• A strainer

Tags

NGSS.MS-PS1-4

Anything that has mass and takes up space. All the "stuff" in an object. 

• mass

• matter

• temperature

• Volume

 The amount of matter in an object or substance. 

• magnetism

• matter

• volume

• mass

Tags

NGSS.MS-PS2-2

Which of the following is NOT suggested by the particle model?

• made up of tiny particles

• particles move slower as the temperature decreases

• particles do not move in a solid

• particles move faster as the temperature increases

Tags

NGSS.MS-PS1-4

 

If a substance is soluble it means...

• it must be a diluted substance

• that it can dissolve into another substance

• that it cannot dissolve into another substance

• it must be a concentrated substance

Some sugar dissolves in water, the solute is...

• particles

• water

• sugar

• oxygen

Tags

NGSS.MS-PS1-2

 

A feature of a solution is..

• it is colourless

• it is cloudy

• it is concentrated

• it is transparent