Galileo Lesson Plan

Instructor: Artem Cheprasov

Artem has a doctor of veterinary medicine degree.

This lesson plan will provide key objectives, vocabulary, discussion points, and an activity that will help students understand Galileo's importance to the world of science.

Learning Objectives

After this lesson, students should be able to:

  • discuss Galileo's personal history
  • reconcile the teaching of the Church at the time and Galileo's findings
  • explain the various discoveries that Galileo made and explain their importance


60 minutes

Curriculum Standards

  • CCSS.ELA-Literacy.RI.5.2

Determine two or more main ideas of a text and explain how they are supported by key details; summarize the text.

  • CCSS.ELA-Literacy.RI.5.3

Explain the relationships or interactions between two or more individuals, events, ideas, or concepts in a historical, scientific, or technical text based on specific information in the text.

  • CCSS.ELA-Literacy.RI.5.7

Draw on information from multiple print or digital sources, demonstrating the ability to locate an answer to a question quickly or to solve a problem efficiently.


  • Marble, tennis ball, baseball, and basketball

Key Vocabulary

  • Galileo Galilei
  • Scientific Revolution
  • Inertia
  • Inquisition

Instructions & Discussion Questions

  • To activate prior knowledge, ask students: Who is Galileo? Allow them to discuss what they know about Galileo for a few minutes. Possibly even writing some of their ideas on the board.
  • Show the video lesson Who Was Galileo? - Contributions, History & Accomplishments. Pause at the following areas for discussion:
    • 0:20 (or do this before playing the video) - Discuss the basic aspects of the scientific method.
    • 1:05 - Discuss with the students why it is that Aristotle's views came to dominate so much of science up until, roughly, Galileo's time.
    • 5:44 - Ask the students to briefly explain the numerous theories Galileo helped disprove.
  • When you've finished, use the lesson quiz to test the students' understanding of the lesson material before moving on to the activity.

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