6th Spiral #2 Review

Front

What type of change occurs when a substance dissolves in water?

Back

Physical change

Front

What type of change is happening when nails become brown, rough, and break?

Back

Chemical change

Front

How do you calculate the density of a mineral sample?

Back

Density = Mass/Volume. For example, if mass is 12.2 grams and volume is 36 mL, density = 12.2 g / 36 mL = 0.33 g/mL.

Front

What does the symbol 'Ag' represent on the Periodic Table?

Back

Silver, which is a pure substance.

Front

What is an example of a chemical change when making s'mores?

Back

Toasting marshmallows over the flame.

Front

What is a physical change?

Back

A change that does not alter the chemical composition of a substance.

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances.

Front

What is the definition of density?

Back

Density is the mass of a substance divided by its volume.

Front

What happens to the water level when an object is submerged in it?

Back

The water level rises, indicating the volume of the object.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change affects the form of a substance, while a chemical change alters its chemical structure.