Unit 3 Elements


5a: Students will know that elements are pure substances that are represented by chemical symbols.
5b: Students recognize that only a few elements make up Earth's crust, atmosphere, oceans and living things.

Guiding Questions
1. Why is an element considered a pure substance?
2. What elements make up the largest portion of solid earth, living matter, oceans and the atmosphere?



Part 1 (click here)
Part 2 (click here)
Part 3 (click here)

Bill Nye: Atoms & Molecules



Element - a substance composed of atoms having an identical number of protons in each nucleus

Compound - a substances whose molecules contain atoms from different elements

Chemical symbol - a one- or two-letter abbreviation for an element's name (O - oxygen)
Chemical formula - a set of symbols that describe the number and kind of elements in a compound (NaCl)
Matter - anything that has mass and takes up space
Molecule - a particle of matter made up of two or atoms joined tightly together

Important Links:

Study Jams: Elements and Compounds

Bite Size Chemistry

Elements - Chem4Kids

Compounds - Chem4Kids

36 Common Elements (Video)

Period table with interesting videos

Electrons in an Atom - Electron Configurations

Period table with Video and Element Information


Period Table Elements Game

Elements Flash Card Game

Songs and Games
Meet The Elements

element attraction.jpg

Element Song
Element Lab
Periodic Table Game
Element Flash Cards
Elements Games

Adopt an Element resources
Best Periodic Table for this Project
Periodic Table for Kids
Chemicool Periodic Table
Element Price
WebElements Period Table

Period table with Video and Element Information

Sample Journal Entries For Unit 3:
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common elements foldable.JPG
elementmajor example.JPG
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