Lesson 2 Quiz- Mixtures and Solutions

True or False: A mixture is a physical combination of two or more substances.

• True
• False

Mixtures that have parts that are not uniformly mixed together are called _______________ mixtures.

• homogeneous
• heterogeneous

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

• colloid
• suspension
• negative

True or False: A mixture that is not mixed together uniformly is a heterogeneous mixture, such as a box of toys. A homogeneous mixture is uniform throughout, such as dish soap.

• True
• False

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

• solution
• colloid
• heterogeneous mixture

When salt is added to a glass of water and dissolves, it is an example of a ______________.

• solution
• heterogeneous mixture

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 examples of an _____________.

• solid
• aerosol
• solution

A mixture of grave and sand is an example of a _______________.

• heterogeneous mixture
• homogeneous mixture

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.

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

• This is an example of a mixture.
• This is an example of a solution.