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

• Colored pencils and markers

• Lemon juice and water

• Nails and paper clips

• Rocks and sand

What does the word COMBINE mean?

• A combination of two or more substances.

• To mix together

• To pull or take apart

• The substance an item is made from.

What tool would be best to separate metal paperclips from crayons?

• A balance

• A sieve (strainer)

• A magnet

• A thermometer

What does the word SEPARATE mean?

• To pull or take apart

• A combination of two or more substances

• To mix together

• The material an object is made of

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

• they disappear.

• they dissolve into one another.

• they change color.

• their properties do not change.

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

• A sieve

• A thermometer

• Your fingers

• A magnet

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

• cereal melts into the bowl.

• physical properties of each ingredient does not change.

• raisins change the color of the bowl.

• individual ingredients disappear in the bowl.

A combination of two or more materials.

• Combine

• Mixture

• Separate

• Ingredient

Tags

NGSS.5-PS1-4

Which of the following is a mixture?

• A pancake

• Oil and water

• Kool-aide

• White rice in a pile

Is trail mix a mixture?

• Yes, because the ingredients mix together to form a new substance.

• No, because there is only one ingredient.

• Yes, because the ingredients combine but keep their own physical properties.

• No, because the ingredients combine to form a new substance.