Common Elements on Earth

1. Common Elements on Earth Earth Science Introduction

2. What are elements? Where are elements found?

3. Hydrogen • Symbol = H • Found in STARS and OUR SUN! All images from Word ClipArt

4. Helium • Symbol = He • Found in OUR SUN • And party balloons

5. Carbon • Symbol = C • ALL living things are made of CARBON • Helps to tell the age of rocks & fossils

6. Nitrogen • Symbol = N • Found in muscle-building protein • And our Atmosphere (AIR)

7. Oxygen • Symbol = O • Found in our AIR • And Earth’s crust

8. Sodium • Symbol = Na • Found in SALTWATER • Earth’s crust • & salt we use on FOOD

9. Chlorine • Symbol = Cl • Combines with Sodium to make salt found in ocean water (NaCl) • And in pools

10. Aluminum • Symbol = Al • Found in Earth’s crust • Used for making airplane parts

11. Silicon • Symbol = Si • Found in rocks, sand, and soil of Earth’s crust • Si+O=“silicates” Which are in rock- forming minerals

12. Calcium • Symbol = Ca • Found in bones, shells, milk and Earth’s crust

13. Iron • Symbol = Fe • Used in steel structures • Found in Earth’s crust and CORE

14. Nickel • Symbol = Ni • Found in coins • Found in Earth’s CORE

15. Magnesium • Symbol = Mg • Found in plants & rocks

16. Uranium • Symbol = U • Used for nuclear energy