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5-8

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Accidental Discoveries

This lesson will help the students understand that science theories change in the face of new evidence, but those changes can be slow in coming.

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Lesson Summary

Overview

The students will understand that science theories change in the face of new evidence, but those changes can be slow in coming. To download the lesson plan as a pdf, see the document below.

Lesson Plan: Accidental Discoveries Document

Objectives

Students will

  • Research scientific discoveries that happened by accident in the past
  • Learn how gamma-rays were discovered by 20th century scientists

Assessment Strategies

Ask the students how our explanations have changed about gamma-ray activity from the new evidence and ask them to explain how theories change with new information. See Teachers Notes Document for elaboration.

Grade Level: 5-8

Suggested Time

45 minutes

Multimedia Resources

Materials

  • Five large pieces of art paper
  • One set of large cut letters S-W-I-F-T
  • Student Handout Document: Stories of Accidental Discoveries (p. 5) (to each student)
  • Student Handout Document: Stories of Accidental Discoveries (p. 6-10) (one letter/story per team)
  • Tape, pencils, markers
  • A computer and internet connection are useful for this activity

Procedures

See Teachers Notes Document for elaboration.

Part 1: First, discuss with the students that every once in a while there are accidental discoveries in science. Ask them if they know any examples of accidental discoveries in science. Next, provide some examples such as about the discovery of quinine as an anti-malarial drug (see Teachers Notes Document, p. 2).

Part 2: Showing Video 3:

Accidental Discoveries Video

[Time – 3:39]. Have your students share what they have learned about the discovery of gamma-ray bursts. Supplement any missing information using the provided summary (see Teachers Notes Document, p. 2)

Part 3: Allow students to work on Stories of Accidental Discoveries (Student Handout Document, pg. 2-10) in groups. When finished, have each group present their work, to the larger group. Encourage the rest of the students to copy down the summary sentence being presented.

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