IQWST - How Can I Make New Stuff From Old Stuff?: Beginning / End Test

Front

What happens to sugar when it is added to soda?

Back

The sugar dissolves in the soda.

Front

Which material is the least dense?

Back

Cork.

Front

What is a mixture?

Back

A combination of two or more substances that retain their individual properties.

Front

How do you find the density of an object?

Back

Density is found by dividing mass by volume (Mass / Volume).

Front

What is the definition of density?

Back

Density is the mass of an object divided by its volume.

Front

What is a solution?

Back

A homogeneous mixture where one substance is dissolved in another.

Front

What is the difference between a mixture and a compound?

Back

A mixture is a combination of substances that can be separated, while a compound is a substance formed when two or more elements chemically bond.

Front

What is the formula for calculating density?

Back

Density = Mass / Volume.

Front

What is an example of a solid that is less dense than water?

Back

Ice.

Front

What is the role of temperature in the solubility of sugar in water?

Back

Higher temperatures generally increase the solubility of sugar in water.