Mixtures Module Review

Which of the following describes a mixture of solids?

• A combination of substances that are all solids

• A combination of two or more solids in water

• A mixture of water and solid substances

• A solid substance that is made of the same thing

Which is an example of a mixture of solids?

• Potatoes and gravy

• Peas and corn

• Chocolate pudding

• Lemonade and lemons

Which observable properties can be used to separate this mixture?

• Color and particle size

• Color and texture

• Color and magnetic attraction

• Texture and magnetic attraction

Which of the following mixtures cannot be separated by using both particle size and color as observable properties?

• Sand and rocks

• Salt and beans

• Sticks and stones

• Nickels and pennies

Which mixture of solids can be separated by using both magnetic attraction and color?

• Iron beads and candies

• Sand and sugar

• Pepper and salt

• Strawberry and melon

Observe the image. What observable properties can be used to separate this mixture of stones?

• Magnetic attraction and size

• Magnetic attraction and texture

• Color, size, and shape

• Particle size, shape, and texture

Tags

NGSS.5-PS1-3

When does a substance dissolve into another substance?

• When both substances mix and make a new liquid substance

• When a solid substance mixes with another substance and you can see both parts

• When a liquid substance breaks down and reacts with the other substance

• When a solid substance breaks down and becomes part of a liquid substance

A mixture of different substances contains pepper, leaves, vinegar, and oil. Which part of this mixture is soluble in water?

• Leaves

• Vinegar

• Pepper

• Oil

Which of the following dissolve in water?

• Salt and leaves

• Vinegar and oil

• Vinegar and salt

• Oil and leaves

Hiran shows his friends a trick. He makes salt, vinegar, and sugar seem to disappear by adding them to his glass of water. What is happening to the substances?

• The salt, sugar, and vinegar evaporate out of the water.

• The ingredients react to make a new liquid substance.

• The salt, sugar, and vinegar are absorbed by the water.

• The salt, sugar, and vinegar all dissolve in the water.