Pure Substances and Mixtures

Combination of two or more pure substances that are not chemically combined

• compound          
• atom
• mixture 
• element

A pure substance that cannot be broken down into other substances by chemical or physical means. 

• compound          
• atom
• mixture 
• element

made up of one kind of matter and has a definite set of properties

• compound          
• atom
• mixture 
• pure substance

Tags

NGSS.MS-PS1-4

Which is the best set of tools to use for separating a mixture of water, sugar, and pebbles?

• a filter and a magnet
• a filter and a hot plate
• a magnet and a hot plate
• a settling tank and a filter

A combination of particles of one or more substance that are distributed uniformly throughout another substance is a/an

• Mixture 
• Substance
• Solution

Tags

NGSS.MS-PS1-2

Particles in a _____________ are tightly packed together.

• solid
• liquid
• gas
• plasma

Tags

NGSS.2-PS1-1

Particles in a _________ take the shape of the container.

• solid
• liquid
• gas
• plasma

Tags

NGSS.MS-PS1-4

When making a fruit drink from a powdered mixture, water is the __________

• dissolving part

• solute

• solution

• solvent

When making a fruit drink from a powdered mixture, the powdered mixture is the __________

• solution

• solvent

• solute

• particle

the ______________________ of a solution tells us the quantity of solute that is dissolved in a certain volume of solution

• particles

• concentration

• sauration

• solubility