Winter Final Review

Front

What is an element?

Back

An element is a substance that consists of only one type of atom.

Front

How do you convert centigrams to kilograms?

Back

To convert centigrams to kilograms, divide the number of centigrams by 100,000.

Front

What is matter made of?

Back

Matter is made of atoms.

Front

What does the Latin prefix 'milli' mean?

Back

The prefix 'milli' means one thousandth (1/1000).

Front

What is the formula for calculating volume?

Back

The formula for volume is Length x Width x Height (L x W x H).

Front

What is the smallest unit of matter?

Back

The smallest unit of matter is an atom.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force exerted by gravity on that mass.

Front

What is a compound?

Back

A compound is a substance formed when two or more different elements are chemically bonded together.

Front

What is the significance of the atomic number?

Back

The atomic number indicates the number of protons in the nucleus of an atom and determines the element's identity.

Front

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

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.