7th Grade Science Guide

7.1: Field Forces 3 Dimensions & Progressions

Unit 2

Objective

Overview

Materials

●​ I can collect and analyze data to identify factors that affect the strength of electric and magnetic forces.

●​ Students observe the

●​ Lesson Plan ●​ Balloons ●​ Sinks or pitchers of water and containers to catch the water in ●​ Soap bubbles and bubble wand or bubble gun ●​ Aisle, hallway, or open area for “bubble races”

effect static electricity can have on water and bubbles and are challenged to create a greater static electric force than their classmates.

Activity: How do magnetic forces and electromagnets work?

Objective

Overview

Materials

●​ I can determine the

●​ Students read about

●​ Electricity & Magnets Reading ●​ Electromagnet Reading ●​ Summarizing

factors that affect the strength of electric and magnetic forces.

electricity, magnets, and electromagnets to determine how they work individually, and together to create energy.

Informational Text Reading Strategy

Formative Assessment: SEEd 7.1.3 Formative Assessment

Activity: How is the Strength of an Electromagnet Affected by the Number of Turns of a Wire in a Coil?

Objective

Overview

Materials

●​ I can collect and analyze data to determine the factors that affect the strength of electric and magnetic forces.

●​ Students investigate the relationship between the structure of an electromagnet and its function, as well as how the flow of energy affects the function of an electromagnet.

●​ Lesson Plan ●​ D batteries ●​ Battery Holder ●​ Copper Wire ●​ Iron Nail ●​ Paper clips ●​ Balance ●​ Ruler ●​ Volt Meter - Vernier

Activity: What electromagnet design is best for picking up 50 paper clips?

Objective

Overview

Materials