Conservation of Matter

What is matter?

• your thoughts and feelings

• only substances in the gas phase

• anything that has mass and takes up space

• only living things

What is the smallest unit of matter?

• atom

• molecule

• element

• compound

Are there different "types" of atoms?

• Yes

• No

An element is made up of?

• pixie dust and magic

• many compounds chemically bonded together

• one type of atom

• many atoms chemically bonded together

Elements have symbols, these symbols can be?

• capital letters only (C)

• lower case letters only (c)

• both capital only (C) and a combination of capital and lowercase (Ca)

A molecule is formed when..?

• less than 1 atom is joined together chemically

• 2 or more atoms are joined together chemically

• 4 dodgeballs are stuck together with some glue or tape

• scientists split the hydrogen atom creating a huge explosion

Are you enjoying the video lesson?

• Yes

• No

When there is NO NUMBER behind the element symbol, we say that it is an understood..?

• 1

• 2

• 3

• 0

How many Carbon (C) atoms are there?

(a)  

How many Hydrogen (H) atoms are there?

(a)