Physical Chemical Changes Compounds Mixtures Solutions

A change that alters the physical properties of a substance without changing its composition.

• Physical Change
• Chemical Change

A change where one or more new substances are created.

• Physical Change 
• Chemical Change 

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A mixture is the result of a physical change because...

• The parts can be separated
• A new substance is made
• There is a chemical reaction
• One part of the mixture disappears

Which of these is a result of a chemical change?

• A mixture
• A solution
• A new substance
• Melting or freezing

Tags

NGSS.MS-PS1-2

You know that a substance has dissolved when it-

• becomes a solid
• produces condensation and has water droplets 
• spreads evenly throughout a liquid

To separate a mixture of salt and water what separation tool/method is used?

• Filter
• Screen
• Magnet
• Evaporation

If you spilled nails in a sandbox, what separation tool/method could you use to clean out the sandbox so it would be safe for children to play in?

• Filter
• Screen
• Magnet
• Evaporation

Substance dissolved in a solution

• concentration
• solute
• solvent
• solution

Capable of being dissolved

• Soluble
• concentration
• colloid
• molarity

This type of mixture has large enough particles that you can see the different types of particles.

• Homogeneous

• Heterogeneous

• Colloid

• Solution