DO NOW A Causes sea floor Wednesday spreading

DO NOW A. Causes sea floor Wednesday spreading and the mid. November 30 th ocean ridge in the Match the following: ocean; can form volcanoes on land 1. Ocean-Ocean Convergence B. Forms deep ocean trenches and 2. Divergent boundary volcanoes 3. Transform boundary C. Forms a fault line and 4. Ocean-Continent results mainly in convergence earthquakes 5. Continent-Continent D. Forms mountains Convergence

TODAY’S PLAN • I can define Pangea and Continental Drift. • I can explain evidence for Continental Drift. • I can relate Continental Drift to Plate Tectonics. TODAYS DO • You will answer questions about Pangaea and Continental Drift using the Power. Point on my teacher website. • You will begin the Pangaea cutout activity.

1. Sign out a Chrome. Book. 2. Go to my 8 th Grade Science Page and click on the Pangaea and Continental Drift Power. Point. 3. Use the Power. Point to complete the handout quietly and independently. 4. When you are finished, raise your hand so I can see your work. 5. You will get crayons, scissors, construction paper and a glue stick to complete the Pangaea cut-out activity. 6. Be sure to read directions carefully!!

Essential Question: Why do scientists believe that the continents were once together in a supercontinent called Pangaea?

Putting the pieces together: Each group has been given a bag of magazine pieces. Piece them together the way you think they fit. (You will only have 3 minutes. )

Think About It: When you were piecing together the magazine pieces, how did you decide where to put the different pieces?

Have the continents always been in the position they are in now? • In the autumn of 1911, Alfred Wegener • a German scientist came across a scientific paper that listed • fossils of identical plants and animals found on opposite sides of the Atlantic.

Hmm… • Intrigued by this information, Wegener began to look for, and find, more cases of similar organisms separated by great oceans.

• Wegener proposed that about 300 million years ago, the continents had formed a single mass (SUPERCONTINENT), called Pangaea (from the Greek for "all the Earth"). • Pangaea rifted, or split, and its pieces had been moving away from each other ever since. This is called Continental Drift.

Three Pieces of Evidence: 1. Fossil—SAME plants and animal fossils found on different continents with totally different climates

Three Pieces of Evidence: 2. Rock—same types of rock and rock layers on different continents; Shape of continents fit together like puzzle pieces

Continental Drift: Rock Evidence Rock layers on different continents “match up”. Northwest Africa Coast Southeast America Coast

Law of Superposition • Older rock layers were laid down first and are on bottom. • Younger rock layers were laid down last and are on top.

Law of Superposition • Which layer is youngest? TOP Layer F • Which layer is oldest? BOTTOM Layer A

Three Pieces of Evidence: 3. Ancient Glacier—grooves left in rock by glacier reaching across different continents

Rejection of Wegener’s Theory Other scientists did not support Wegener’s theory of Continental Drift. Why not? He could not give the reason why the continents moved apart. But we can today: Convection Currents move the crustal plates Plate Tectonics!!

Proof in Pieces: 1. Take the worksheet and cut out around each of the continents. (Throw away the tiny islands and oceans) 2. Now start constructing the pieces into one supercontinent. (Hint: Think about how you pieced together the magazine. ) 3. Glue the pieces onto the construction paper once you have all the pieces where you think they belong.

Pangaea:

Exit Slip: What two things did Alfred Wegener propose?

DO NOW FRIDAY, December 2 nd 1. What is this a picture of? 1. Discuss at least one piece of evidence that scientists have for Continental Drift.

TODAY’S PLAN • I can define Pangaea and Continental Drift. • I can explain evidence for Continental Drift. • I can relate Continental Drift to plate tectonics/sea floor spreading. TODAYS DO • Complete the Pangaea Cut-Out activity. • Answer the questions and complete the back page of the activity- Analyzing Evidence: Continental Drift. • Quiz will be Monday, December 5 th

DO NOW WEDNESDAY • Why didn’t other scientists believe Wegener’s Theory of Continental Drift?

TODAY’S PLAN • I can demonstrate Mastery of Earth’s History learning targets on a written exam. • TODAYS DO • We will review our study guide for our Earth’s History Unit Exam. • Exam will be tomorrow, Thursday, February 25 th.

DO NOW WEDNESDAY • Get out your study guide and review for test.

TEST EXPECTATIONS • Do your best. • Do your own work. • Finish the test within the class period. (No staying after bell. ) • Remain quiet at all times. • Finished? – Turn your paper in to the side cart. – Pick up a Science Magazine and READ.

DO NOW THURSDAY • Get out a sheet of notebook paper, put your name on it, and number it from 1 to 33.

TODAY’S PLAN • I can demonstrate Mastery of Earth’s History learning targets on a written exam. • TODAYS DO • We will review and retake OR do an enrichment activity over our Earth’s History Unit

Earth’s History TEST REDO • If you made Mastery (80 -100), you will be doing an enrichment activity in which you will use Oreos to model movement at the different kinds of plate boundaries. • If you made Progressing (70 -79), you will be using your study guide and notes to redo the questions you missed. • If you made Needs Improvement (below 70), you will be in a group with Mrs. Dyer, discussing questions you missed and why you missed them, correcting your test.

Density Lab Summary Identify which of the four layers of Earth is most dense? Least dense? Explain how you know.

TODAY’S PLAN • I can list the layers of Earth. • I can explain movement of the crustal plates at different types of plate boundaries. • I can relate movement at plate boundaries to features/events that occur at these boundaries. • I can define Pangea and Continental Drift. TODAYS DO • We will complete a web quest about the structure of Earth, plate boundaries, Plate Tectonics, and Continental Drift on the Chromebooks.

DO NOW TUESDAY • What is this a picture of?

DO NOW MONDAY December 5 th • What type of boundary causes: a) b) c) d) mountains? mid ocean ridge and sea floor spreading? deep ocean trenches and volcanoes? fault lines and earthquakes?

TODAY’S PLAN • Demonstrate Mastery of Plate Tectonics and Continental Drift Learning Targets (plate boundaries, continental drift, Pangaea, evidence for continental drift, etc. ) TODAYS DO • Kahoot review of plate boundaries and continental drift • Plate Tectonics Quiz • Fossils Crossword Puzzle

QUIZ EXPECTATIONS • Do your best. • Do your own work. • Remain quiet at all times. • Finished? – Turn your paper in to the front table. – Pick up the Fossil Worksheet. Read the from and do the Crossword Puzzle on the back.

Tuesday, December 6 th DO NOW Tell the layers of the Earth. 4 3 2 1 5. Which part is made of plates? 6. Why do the plates move?

TODAY’S PLAN • Demonstrate Mastery of Plate Tectonics and Continental Drift Learning Targets (plate boundaries, continental drift, Pangaea, evidence for continental drift, etc. ) TODAYS DO • Take up Homework • Begin Plate Tectonics Project (100 point Test Grade)