7th Grade Science Guide

7.2: Changes to Earth 3 Dimensions & Progressions

Unit 3

● I can map and create a profle of a simulated seafoor.

● Students are given a simulated seafoor and

● Lesson Plan ● Trash can/bucket ● Wire screen (1 cm openings) ● Finger Paint/ Food Coloring/Ink ● Water ● 25 cm piece of string will small weight attached to oneend ● Masking tape ● Marker ● Graph paper and pencil ● Data sheets ● Meter stick ● Various non-foating objects, such as rocks, bricks, a bowl, etc.

use tools to simulate how scientists map the ocean foor.

Activity: Seafoor Spreading

Objective

Overview

Materials

● I can create a model to show seafoor spreading

● Students construct a paper model that will

● Lesson Plan

illustrate how the seafoor spreads at mid-ocean ridges and is consumed where it descents into trenches.

Activity: Gizmos - Building Pangea

Objective

Overview

Materials

● Learn the names of major landmasses. ● Explain the theory of continental drift. ● Fit the landmasses together to form an ancient supercontinent called Pangaea.

● The Building Pangaea

● Gizmo

Gizmo allows students to explore the ft of the continents that inspired the theories of continental drift and plate tectonics