Classification of Matter Review

Are made from a combination of 2 or more elements...

• Molecules
• Pure Substances
• Compounds
• Elements

If you change a substance into a new substance...

• Partial Change
• Physical Change
• Chemical Change
• Freezing

Which is NOT a chemical change?

• Leaves changing colors in the fall
• Iron rusting
• Digesting Lunch
• Ice Melting

Any characteristic of a material, such as shape or size, that you can observe or attempt to observe without changing the identity of the material.

• physical change
• chemical change
• physical property
• chemical property

Substance with atoms that are all alike.

• element
• compound
• homogeneous mixture
• heterogeneous mixture

Which of the following is not a clue that a chemical change is taking place?

• rapid release of energy (heat, light, or sound)
• phase change
• formation of bubbles
• formation of a precipitate from solution

What type of mixture is this?

• homogenous mixture
• chemical
• heterogeneous mixture 
• solid mix

Is bleaching your hair a physical or chemical change?

• physical
• chemical

Which of the following is an element?

• Sugar
• Salt
• Water
• Oxygen

Table salt is an example of a.....

• element

• Compound

• heterogeneous mixture

• homogeneous mixture