Lesson 3 - Molecules

What are the basic building blocks for all matter?

• atoms
• elements
• compounds
• chemicals

Elements are made of 

• many types of atoms 
• the periodic table
• one type of atom 
• molecules 

All __________ are made up of two of more atoms.

• molecules

• elements

• atoms

• ecosystems

______ is an ELEMENT since it is only made up of one type of atom.

• Water
• Air
• Gold
• Salt

A molecule is made up of ____ or more atoms.

• 1
• 2
• 3
• 4

How many atoms are there in a molecule?

• no atoms
• 1 or more atoms
• 2 to thousands of atoms
• exactly 18 atoms

The smallest unbreakable unit of a compound is called a(n) _____________

• Molecule

• Electron

• Compound

A chemical __________ is like a recipe for a chemical substance.

• Formula

• Coefficient

• Subscript

What does this image represent?

• Atom
• Element
• Molecule
• Marshmallows

What is the picture displayed?

• atom
• element
• molecule
• compound