Mixtures and Solutions Investigation 1 Quiz

Two or more materials mixed together is known as a

• Solute

• Solvent

• Mixture

• Screen

Which of the following is NOT an example of a mixture?

• Salad

• Trail-mix

• Salt water

• Salt

Which items did we use to separate various mixtures in class?

• Screen

• Filter

• Magnets

• All of these items

When salt and water are mixed, what happens?

• The salt floats to the top

• The salt dissolves

• The salt evaporates

• The salt goes away completely

Tags

NGSS.MS-PS1-2

How can you best separate salt and water?

• Evaporation

• A filter

• Weigh the salt

• A mesh screen

Tags

NGSS.MS-PS1-4

What is NOT a safety rule in the science classroom?

• Don't smell an unknown material without the teacher's permission

• Listen to instructions and follow directions.

• Always taste/eat materials from the science lab

• Wash your hands after handling chemicals and plants.

What does a salt crystal look like?

• A circle with stars in it

• A triangle with circles in it

• A square with an "x" on it.

A special mixture where one or more substances dissolve in another substance is known as

• a mixture

• a solution

• a solute

• a solvent

A substance that dissolves is known as

• A solution

• A solute

• A solvent

• A screen

A substance that dissolves a solute is called

• A mixture

• A solvent

• Salt

• A solution