EARTH SCIENCE INTRODUCTION Common Elements on Earth.

EARTH SCIENCE INTRODUCTION

Common Elements on

Earth

WHERE ARE ELEMENTS FOUND?

What are elements?

Hydrogen

Symbol = HFound in STARS and OUR SUN!

All images from Word ClipArt

Helium

Symbol = HeFound in OUR SUN

And party balloons

Carbon

Symbol = CALL living things are made of CARBON

Helps to tell the age of rocks & fossils

Nitrogen

Symbol = NFound in muscle-building protein

And our Atmosphere (AIR)

Oxygen

Symbol = OFound in our AIR And Earth’s crust

Sodium

Symbol = NaFound in SALTWATEREarth’s crust & salt we use on FOOD

Chlorine

Symbol = ClCombines with Sodium to make salt found in ocean water (NaCl)

And in pools

Aluminum

Symbol = AlFound in Earth’s crust

Used for making airplane parts

Silicon

Symbol = SiFound in rocks, sand, and soil of Earth’s crust

Si+O=“silicates”Which are in rock-forming minerals

Calcium

Symbol = CaFound in bones, shells, milk and Earth’s crust

Iron

Symbol = FeUsed in steel structures

Found in Earth’s crust and CORE

Nickel

Symbol = NiFound in coinsFound in Earth’s CORE

Magnesium

Symbol = Mg Found in plants & rocks

Uranium

Symbol = UUsed for nuclear energy