Matter

__________ are the building blocks of life.

• solids
• gases
• atoms
• nutrients

A pure substance that cannot be broken down into any other substance by chemical or physical means. There are about 100 of us shown in the Periodic Table

• compound
• mixture
• molecule
• element

Type of matter made of two or more elements...

• element
• mixture
• compound

Which of these is an element?

• Salt (NaCl)

• Water (H20)

• Oxygen (O)

• Carbon Dioxide (CO2)

Which of these is a compound?

• Aluminium (Al)

• Carbon Dioxide (CO2)

• Nitrogen (N)

• Sand

Air is:

• An element

• A compound

• A mixture

• None of these

What is an example of a mixture?

• iron
• ice
• soil
• gold

Which of the following is classified as a pure substance?

• Lemonade

• Fruit punch

• ketchup

• Helium

A mixture that is uniform and well mixed is _____.

• homogeneous
• hetergeneous
• pure substance
• compoud

The picture shown here is what type of mixture?

• homogeneous
• hetergeneous
• pure substance
• element