Substances and Mixtures

Which of the following is a pure substance? 

• Water
• Salad
• Chocolate milk
• All of them 

Tags

NGSS.MS-PS1-1

Which of the following is a pure substance? 

• Soil 
• Salt
• Water and sand
• Vanilla ice cream with chocolate

A pure substance...

• Has a PERMANENT composition
• Has a VARIABLE composition

Tags

NGSS.MS-PS1-1

A pure substance...

• Looks the same from every part you look 
• Looks different from every part you look

A combination of pure substances, not in fixed amounts, that can be easily separated.is a

• MIXTURE
• COMPOUND
• ATOM
• PARTICLE

What are the two types of Mixtures

• Elements and Subatomic Particles
• Protons and Electrons
• Atoms and Compounds
• Homogenous and Heterogeneous

Cookies and cream ice cream would be classified as

• A homogenous mixture
• A heterogenous mixture
• An element
• A compound

Two substances physically combined and that appears the same throughout is classified as

• A homogeneous mixture
• A heterogeneous mixture
• An element
•   A compound

Two elements chemically combined defines

• A homogeneous mixture
• A heterogeneous mixture
• An element
• A compound

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

A ________ is something that dissolves in a liquid (solvent)

• solute
• salt
• sugar
• solution