Download Earth*s Crust opening lesson

EARTH’S CRUST OPENING LESSON
• GRADE 7
• WHAT DO YOU RECALL FROM GRADE 3
SOIL UNIT AND ROCKS UNIT IN GRADE
FOUR ?
NEW VOCABULARY TO STUDY NIGHTLY
•
CRUST – THE THIN OUTERMOST LAYER OF EARTH
•
ROCK – IS MADE UP OF ONE OR MORE PURE, NATURALLY OCCURRING, NON-LIVING
MATERIALS CALLED MINERALS
•
MINERAL – CAN BE AN ELEMENT (A PURE SUBSTANCE) OR A COMPOUND (TWO OR
MORE SUBSTANCES) .SOMETIMES MINERAL OCCUR AS CRYSTALS. (STRAIGHT EDGES, FLAT
SIDE’S REGULAR ANGLES)
•
EARTHQUAKE – A DISTURBANCE AND MOVEMENT OF THE EARTH’S CRUST DUE TO A BUILDUP OF PRESSURE
•
SEISMOLOGISTS – SCIENTIST WHO STUDY EARTHQUAKES
•
SEISMOGRAPH- SPECIAL MACHINE USED TO MEASURE EARTHQUAKES.
•
BEDROCK – THE SOLID ROCK BENEATH THE SOIL
•
RICHTER SCALE – A METHOD OF MEASUREMENT OF MAGNITUDE (STRENGTH) OF AN EARTHQUAKE
•
SEISMIC WAVES –ENERGY WAVES THAT TRAVEL OUTWARD FROM THE EARTHQUAKE
•
AFTERSHOCKS SMALLER EARTHQUAKES
•
PRIMARY P WAVES, SECONDARY WAVES S WAVES AND SURFACE WAVES ARE ALL TYPES OF EARTH QUAKES WAVES.
•
LUSTRE –THE ‘SHININESS’ OF A MINERAL
•
STREAK – THE COLOUR OF THE POWDERED FORM OF THE MINERAL
•
EPICENTER – THE LOCATION DIRECTLY ABOVE THE FOCUS OF THE EARTHQUAKE
•
CLEAVAGE – IF A MINERAL BREAKS ALONG SMOOTH FLAT LINES
•
SUBDUCTION ZONE – A TYPE OF ROCK MOVEMENT WHEN ROCK SURFACES GET PUSHED TOGETHER AND ONE PIECE OF ROCK
IS PUSHED UNDER THE OTHER. ONE OF THE DEEPEST IS MARIANAS TRENCH OFF THE COAST OF JAPAN.
•
FRACTURE – WHEN MINERALS BREAK APART WITH ROUGH OR JAGGED EDGES.
•
FAULT-THE AREA WHERE A ROCK BREAKS AND MOVE IS CALLED A FAULT. SUCH AS THE SAN ANDREAS FAULT IN CALIFORNIA
•
IGNEOUS ROCK – FORMED WHEN MAGMA COOLS
•
TSUNAMIS – MEANS HARBOR WAVE. HUGE WAVES CAUSED BY UNDERSEA EARTHQUAKES.
•
MAGMA IS MELTED ROCK FOUND BELOW EARTH’S CRUST
•
VOLCANOES – AN OPENING IN THE EARTHS CRUST THAT RELEASES LAVA, SMOKE AND ASH. OPENING IS CALLED A VENT.
•
SEDIMENTARY ROCK – MADE OF SEDIMENT, LOOSE MATERIAL, ROCK, MINERAL, PLANT,
ANIMAL REMAINS. FOSSILS ARE SOMETIMES FOUND IN SEDIMENTARY TYPE ROCK
•
DORMANT – IS A WORD TO DESCRIBE AN INACTIVE VOLCANO.
•
3 TYPES OF VOLCANOES – ASH AND CINDER CONE
•
•
•
METAMORPHIC ROCK – ‘CHANGE’ ROCK THAT HAS FORMED OR CHANGED THROUGH
PRESSURE AND HEAT.
•
- SHIELD VOLCANOES
•
- COMPOSITE
WEATHERING – WHEN ROCKS ARE BROKEN DOWN OR WORN AWAY AND SEDIMENT IS
CREATED.
•
GEOTHERMAL ENERGY – ENERGY WE HARNESS FROM EARTH’S INTERIOR
•
MANTLE – MIDDLE LAYER OF EARTH
EROSION – WHEN WIND AND WATER WEAR AWAY AT ROCK
PLAY HANGMAN AS A CLASS WITH YOUR DEFINITION
HAND OUT
• WE WILL DO AN EXAMPLE TOGETHER, THEN
YOU WILL PARTNER UP. (15 MINS)
SCAVENGER HUNT THROUGH THE TEXT BOOK
• WILL WE BE USING SLINKIES ?
• NAME 6 OTHER TYPES OF LAB EQUIPMENT
WE NEED FOR THIS UNIT.
• HOW MANY CHAPTERS ARE THERE IN THIS
UNIT ? WHAT ARE THEY CALLED?
• ON PAGE 290 , WHAT ARE SOME SAFETY
GEAR (PPE) NEEDED ?
• WHICH CHAPTER LOOKS MOST
INTERESTING TO YOU ?
• HOW DO WE USE ROCKS IN THE WORLD
AROUND US ?
GENERAL INFORMATION ABOUT THE UNIT
• HTTPS://WWW.YOUTUBE.COM/WATCH?V=
F11-GE7YWUC
• HOW DO WE USE ROCKS DAILY ?
• HTTP://WWW.MINERALOGY4KIDS.ORG/MI
NERALS-YOUR-HOUSE
• DESCRIBE YOUR DAY, HOW MANY ROCKS
AND MINERALS HAVE YOU USED SO FAR ?