Frames of Reference - Relative Motion - Google Slides and PowerPoint Lesson

Help students calculate relative velocity with boat, plane and ship examples, using teacher slides, a student copy and a matching outline.
Grades
Grades 11–12
File type
Multiple File Types
Answer key
Included

Updated Mar 03, 2023

Subject
Science, Physics
Topic
Relative motion, Frames of reference
Resource types
Presentations
Answer key
Included

Product description

From the author

This senior-physics lesson introduces frames of reference and relative velocity through boat, plane and ship examples. Teacher and student PowerPoints, a teacher PDF and a Word outline support guided notes and practice.

The student deck has 12 slides and the teacher deck has 17. Four practice questions are supplied, but the ship-deck answer slot repeats a plane answer; prepare that solution separately. A Google access page links to online resources.

In the classroom

Teaching tips & learning objectives

Learning objectives

  • Students explain why an object's motion must always be described relative to a stated frame of reference.

  • Students calculate a relative velocity by vector-adding two given velocities, such as a passenger's speed relative to a moving boat plus the boat's speed relative to the shore.

  • Students apply relative-velocity subscript notation (e.g., VPS = VPB + VBS) to identify which object and frame of reference each velocity describes.

Teaching tips

  • Introduce the lesson format using slide 2, then pause while students complete blanks in their outline.

  • Pause on question slides before displaying the supplied answers. For the ship-deck problem on slide 14, prepare a separate solution: slide 15 repeats the earlier plane question and answer.

  • Use the included Google access page if an online copy is needed; confirm access before assigning it.

Skills covered

  • Combining velocities relative to different frames of reference

  • Using velocity subscripts to identify objects and reference frames

  • Solving relative-motion and displacement problems with travel examples

Good to know

Questions teachers ask about this resource

How does the fill-in-the-blank lesson format work?

The teacher slides and PDF show every line fully worded, with the parts meant to be blanked on the student copy marked bold and underlined; the printable Student Lesson Outline leaves those same spots blank for students to complete during the lesson.

Does every practice problem have its own answer slide?

The teacher files contain four practice problems, but the answer slide after the ship-deck question repeats the earlier plane answer. Prepare a separate solution for the ship problem.

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Resource details

Concepts & topics

Core concepts

  • Frame of reference

  • Relative motion

  • Relative velocity

  • Vector addition

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