MH U1 L2 Grade 5

1. A ____ is a physical combination of two or more substances.

• suspension

• mixture

• matter

• solution

2. Mixtures that have parts that are not uniformly mixed together are called...

• homogeneous mixtures.

• heterogeneous mixtures.

3. Smoke is an example of a _____ because its suspended particles are small enough that they do not settle.

• colloid

• suspension

• positive

• negative

4. Explain the difference between a homogeneous and a heterogeneous mixture.

5. Rebecca made a mixture of raisins, nuts, and dried fruit for a snack. Which kind of mixture was Rebecca’s snack?

• solution

• colloid

• heterogeneous mixture

• suspension

6. When salt is placed in a glass of water and dissolves, it is an example of a...

• solid

• solution

• aerosol

• gas

7. While sitting in your house, you notice that there are particles of dust floating in the air. These particles of dust that are suspended in the air are an example of a(n) ____.

• solid

• solution

• aerosol

• gas

8. A mixture of gravel and sand is an example of a

• heterogeneous mixture

• homogeneous mixture

9. Which of the following would make sugar dissolve faster in a cup of water?

• Add cold water and stir.

• Let water evaporate away.

• Add warm water and stir.

• Add more sugar and stir.

Tags

NGSS.MS-PS1-4

10. You pour two different types of cereal into one bowl. Is this an example of a mixture or a solution?

• mixture

• solution