7th Grade Science Guide

7.2: Changes to Earth 3 Dimensions & Progressions

Unit 3

CSD Resources

Earth’s Interior Phenomena: Seismic Waves Move in Interesting Ways Through Earth

Objective

Overview

Materials

● I can ask questions and look for patterns in seismic waves.

● Students are shown a

● Lesson Plan ● SciShow “The Deepest Hole in the World” (optional part 1) ● Seismic Waves computer activity 1 Or ● Seismic Waves Computer activity 2 ● Optional graphic organizer, 7.2.4 e1 Seismic Waves

model of seismic waves and look for patterns and ask questions. Lead students in recognizing patterns in how seismic waves move through the earth’s interior.

Activity: Earth’s Layers

Objective

Overview

Materials

● I can graph seismic data. ● I can determine patterns in data and analyze a graph. ● I can draw a model of Earth’s interior based on data from thegraph.

● Students create graphs

● Lesson Plan ● 7.2.4e2

from data given to them from the teacher. Students look for patterns and ask questions . The teacher leads a class discussion directing students to recognize difference in layers.

IdentifyInterpret_STUDE NT

● 7.2.4e2

IdentifyInterpret_TEACH ER ● 7.2.4 e2 Earth’s Interior Data Sheet (there are two per page, print one per student or group) ● 7.2.4 e2 GraphPaper (available in letter or 11x17 size)

Activity: Density Inquiry Stations

Objective

Overview

Materials

● I can observe patterns about density and sediment formation.

● Students participate in density demonstrations and observe the patterns

● Lesson Plan ● 7.2.4e3

DensityInquirySETUP