Mixtures and Solutions

What is an example of a mixture that maintains the physical properties of its ingredients?

• Iron filings and sand

• Salt and water

• Sugar and tea

• Vinegar and oil

Mixtures like sand and water maintain the physical properties of their ingredients because each component retains its original properties.

• Each component retains its original properties.

• The components react chemically to form new properties.

• The properties blend to create entirely new characteristics.

• The components lose their individual properties and become uniform.

What is sand?

• Granular material

• Silica

• Sediment

• Soil

What is a solution?

• A mixture of two or more substances that stays evenly mixed and can only be separated through evaporation.

• A solid substance that dissolves in a liquid.

• The ability of a substance to dissolve in a solvent.

• A state of matter that is solid, liquid, or gas.

Fill in the blank: A physical state is something that is ______, liquid, or gas.

• solid

• plasma

• gel

• vapor

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is a solute?

• A) A mixture of two or more substances.

• B) The substance (powder) that dissolves to form a solution.

• C) The ability for a solute to dissolve in a solvent.

• D) A state of matter that is solid, liquid, or gas.

Tags

NGSS.MS-PS1-2

What is solubility?

• A) A mixture of two or more substances.

• B) The ability for a solute (powder) to dissolve in a solvent (water).

• C) The substance that dissolves to form a solution.

• D) A state of matter that is solid, liquid, or gas.

Tags

NGSS.MS-PS1-2

What is a solvent?

• A substance that cannot be dissolved

• A substance capable of dissolving other substances, typically a liquid

• A solid substance

• A gas

What does soluble mean?

• A) A substance that cannot be dissolved

• B) A substance that can be dissolved in liquid

• C) A gas

• D) A solid

Tags

NGSS.MS-PS1-2

What is the definition of insoluble?

• Something that can be dissolved in solvent

• Something that cannot be dissolved in solvent (water)

• A liquid that dissolves substances

• A gas

Tags

NGSS.MS-PS1-2