Common Elements on Earth

Common Elements on Earth Earth Science Introduction

What are elements? Where are elements found?

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

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

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

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

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

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

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

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

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

Calcium • Symbol = Ca • Found in bones, shells, and Earth’s crust • Also in Milk

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

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

Magnesium • Symbol = Mg • Found in plants & rocks

Uranium • Symbol = U • Used for nuclear energy