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A detailed lesson plan for teaching grade six students about plate tectonics and convection currents in the Earth's mantle. The lesson includes a demonstration using a convection detector and a lab experiment using water and candles to observe convection currents. Students are encouraged to make predictions, draw observations, and participate in class discussions.
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6.3 Plate Tectonics: Convection Currents in the Mantle Grade Six: Plate Tectonics
Lesson Concept Crust movement is the result of convection currents in the mantle. Link The layers of the earth from lesson 6.2 move due to convection currents in the mantle. Lesson 6.4 demonstrates how the plates move on top of the mantle layer. Time 60 minutes Materials Whole class H1 Convection detector (see JASON handout) Lamp Per Group (groups of 4) Rectangular aluminum tray with water 3 tea candles 2 blocks or books to raise tray One bottle of red food coloring Two popsicle sticks Optional Lab Materials Bottle of vegetable oil Bottle of dried spice (oregano, basil) Clear Pyrex square dish 4 small pieces of rectangular Styrofoam 1 grease pencil 4 tea candles Individual
6.3 Plate Tectonics: Convection Currents in the Mantle Advance Preparation 1. Cut out and assemble the convection detector according to the attached directions.
2. Place materials (3 tea candles, 2 blocks of books, one bottle of red food coloring, 2 popsicle sticks) in metal trays for distribution. 3. Place materials (bottle of vegetable oil, dried spice, 4 small pieces of rectangular Styrofoam, 4 tea candles) in clear Pyrex square dish. 4. Get materials from JASON website www.jason.org 5. On the JASON website, you will need to click on the Tectonic Fury tab on the left hand side of the page. Then click on Mission 4: Earth on the Move. Click on Teacher Resources, Lab #1: The Moving Surface. 6. R1 Teacher will distribute water and light candles as indicated in the lesson. See teacher resource. 7. Duplicate handout for observation. Procedure: Engage (10 minutes) the lamp heated the air around it. The warmer, less dense air causes the detector to spin. Teacher Note: Set up the lamp and the convection detector for the demonstration.
6.3 Plate Tectonics: Convection Currents in the Mantle
6.3 Plate Tectonics: Convection Currents in the Mantle