Viruses Knots

By Tamra Ragland •

Grade Level	7th
Subject Area	Life Science
Duration	5 - 10 days
Rationale	To integrate math and science in the study of viruses.
Background Knowledge
Author	Tamra Ragland

Objectives
1) To construct accurate scale models of a virus; 2) Discuss the variety of sizes in viruses and what relationship might the size of a virus have to the type of the cell it invades.

Materials Required
Life By the Numbers videotape: Micro Detectives, rope (for knot making), Making Models of Viruses worksheets (HRW), metric ruler, toothpicks, pipe cleaners, tape construction paper, insulated electrical wire, cork, book on knots

Ohio Standards
Mathematics *Measurement* 1) Solve problems involving proportional relationships and scale factors; e.g. scale models that require unit conversions within the same measurement system.

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