Mixtures and Solutions

Front

A mixture combines 2 or more materials without changing their properties.

Back

True

Front

Solutions are formed when one or more substances dissolve in another.

Back

True

Front

Which of the following is NOT a way to separate a mixture?
1. Heat a liquid to evaporate the liquid out of a solution.
2. Use a magnet to separate sand particles and rocks.
3. Use a filter to allow liquid to flow through and leave behind the solid particles on top of the filter.
4. Use tongs to separate the parts of a salad.

Back

Use a magnet to separate sand particles and rocks.

Front

Which of the following is a mixture?
table salt,
sugar,
lucky charms cereal,
saltwater

Back

lucky charms cereal

Front

Which of the following will form a solution with the water? Sugar, Sand, Salad oil

Back

Sugar

Front

The 4th grade class are observing 4 beakers in a Science lab. Which of the following students made a true statement comparing the materials in the beakers? Beaker 1-sand and water, Beaker 2-sugar and water, Beaker 3-rocks and sand, Beaker 4-rocks and water

Back

Beakers 1, 2, and 4 are all mixtures of solids and liquids. Beaker 2 can only be separated using heat.

Front

Which two tools would a student use to measure the length and mass of a gummy bear? Options: graduated cylinder and balance, stopwatch and meter stick, ruler and a meter stick, balance and a meter sick

Back

balance and a meter sick

Front

Give an example of an item in the real world that is a mixture.

Back

cereal, chex mix

Front

How are a mixture of sand and water and a mixture of salt and water different?

Back

Salt dissolves in the water. Sand does not dissolve in water.

Front

How can you separate sand and water? Options: Evaporation, Using your fingers, Using tweezers, A paper filter

Back

A paper filter