Science Unit 2 ROCKS AND MINERALS
WHAT WORDS DO YOU THINK OF WHEN YOU HEAR THE WORDS ROCKS AND MINERALS? BRAINSTORM
DIFFERENCES BETWEEN ROCKS & MINERALS All rocks are made with 2 or more minerals, but minerals are not made of rocks. mountain - huge, giant hunk of rock that is still attached to the earth's crust, doesn't move, tall boulder - large, taller than a person rock - large, you could get your arms around it or a bit smaller stone - medium, you could hold it in two hands pebble - small, you can hold it with two fingers, could get stuck in your shoe, usually rounded sand - made up of tiny pieces of rock, grains of sand grain - tiny, like a grain of rice or smaller, often found on a beach dust - really fine powder that is mixed in with sand or soil speck - as in a speck of dirt There are 3000 different minerals on earth
MINERALS ROCKS
MINERAL OR ROCK? ROCK! MINERAL! ROCK!
ELEPHANT ROCKS Why do you think these are called elephant rocks?
FLOWERPOT ISLAND Have you ever seen rocks that look like this?
WIND & WAVES WHAT CAUSES ROCKS TO LOOK LIKE THIS?
ROCKS AROUND THE WORLD