1. 1-18-18 Continental Drift cont.

2. Do Now: Answer the following questions in your Science Notebook and be prepared to discuss questions as a class.
Not every jigsaw puzzle has to be flat! The photo shows a jigsaw puzzle shaped like a globe. Some pieces show land, some pieces show ocean, and others show both land and ocean.
Does this puzzle have any corner or edge pieces?
How might the completed puzzle change if you shook it back and forth?
Earth’s crust is also made of large pieces. How would Earth’s surface change if those pieces moved?

3. Do Now: Answer the following questions in your Science Notebook and be prepared to discuss questions as a class.
Does this puzzle have any corner or edge pieces?
A. No. A globe has no corners or edges, and neither does the globe puzzle. All four sides of each puzzle piece join to other pieces
How might the completed puzzle change if you shook it back and forth?
A. Pieces might lose their tight fit and separate from the pieces next to them or fall out of the puzzle.
Earth’s crust is also made of large pieces. How would Earth’s surface change if those pieces moved?
A. The positions and shapes of Earth’s continents and oceans might change.

4. Continental Drift Quiz
Friday, 1/19 (Cambridge); Monday, 1/22 (Comprehensive)
Concepts on the quiz:
Evidence that supports continental drift
Why scientists questioned the continental drift hypothesis

5. Activity: Using clues to put puzzle pieces together.
Lesson Objective: Students will better understand the process of using clues to solve puzzles.

6. Activity: Using clues to put puzzle pieces together.
Answer the “Analyze and Conclude” questions. Be prepared to discuss as a class. These will be turned in.

7. Activity: Using clues to put puzzle pieces together.
Summarize Make a list of the clues you used to put together your partner’s puzzle.
A: Examples include: align text (words, sizes of text, or fonts), connect edges of photographs, connect regions of the same color, align shapes of pieces
Describe How was putting together a complete puzzle different from putting together an incomplete puzzle?
A: Answers will vary but might include: It was harder to put together the incomplete puzzle; I had to assume separations between pieces; It took longer to put the incomplete puzzle together.
Key Concept What clues did Wegener use to hypothesize the existence of Pangaea? What clues were missing from Wegener’s puzzle?
A: Wegner’s clues: how the shape of the continents fit together; fossils of the same plant on different continents; mountain belts align when continents are joined together
Missing clues: how fast continents moved, what forces caused continents to move

8. Content Practice
In table groups, use the laptops to answer the Content Practice worksheet. You may access the online textbook at
Chapter 4: Plate Tectonics
Lesson 1: Continental Drift Hypothesis
If you need help with usernames/passwords, raise your hand and wait for Mr. Santos

9. Homework
Finish the Content Practice worksheets; use them to study for the quiz
Study for the quiz!