Mixtures Review

You have a mixture of gravel and sand in a container. What tool could help you most quickly separate the two types of materials?

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To mix together

• combine

• mixture

• separate

Separate

• a combination of two or more substances

• to mix together

• pull or take apart

A mixture is when two or more substances are combined and--

• they change color

• they disappear

• they dissolve into one another

• their properties do not change

A bowl of raisins, nuts, and cereal is considered a mixture because the--

• physical properties of individual ingredients do not change

• raisons change colors in the bowl

• cereal melts in the bowl

• individual ingredients disappear in the bowl

Which of the following is NOT a mixture that can easily be separated?

• crayons and markers

• paper clips and nails

• rocks and sand

• lemon juice and water

All of the following are mixtures except--

• two or more kinds of nuts

• metal paper clips, metal screws, and nails

• combining two glasses of water

• sand and gravel

Mixture

• to divide or keep apart

• to mix together

• a combination of two or more substances in which each keeps its own properties and both can be easily separated.