Mixtures and Solutions

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

• True
• False

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

• True
• False

Which of the following is NOT a way to separate a mixture?

• Heat a liquid to evaporate the liquid out of a solution.
• Use a magnet to separate sand particles and rocks.
• Use a filter to allow liquid to flow through and leave behind the solid particles on top of the filter.
• Use tongs to separate the parts of a salad.

Which of the following is a mixture?

• table salt

• sugar

• Lucky Charms cereal

• saltwater

Sally made four cups of water. She added different material in each cup and stirred it. Which of the following will form a solution with the water?

• Sugar
• Sand
• Salad oil

Which two tools would a student use to measure the length and mass of a gummy bear?

• graduated cylinder and balance
• stopwatch and meter stick
• ruler and a meter stick
• balance and a meter sick

Which is an example of a solution?​ (a)  

• orange juice
• koolaid powder
• chex mix
• fruit salad

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

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

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

• Sand floats in water. Salt sinks in water.

• Sand melts in the water. Salt sinks in the water.

How can you separate sand and water?

• Evaporation

• Using your fingers

• Using tweezers

• A paper filter

Is iced tea a mixture or solution?

• solution

• mixture