← Back to lesson

Science Lesson Kit · Teacher Resource

Energy Conversions: Design a Device That Changes Energy — 5E Lesson Plan

Physical Science · 50 minutes

Grade 4

5E lesson flow

  1. 01

    Engage

    6 min

    Teacher Does

    Show a battery-powered fan and ask students to trace what changes from source to output.

    Students Do

    Describe the source, pathway, and observed output.

    Ask

    • Where is energy transferred? Where is it converted?

    Look For

    Transfer through circuit; conversion at motor.

  2. 02

    Explore

    13 min

    Teacher Does

    Provide lamp, motor, and buzzer devices or cards.

    Students Do

    Trace each pathway and record useful and additional outputs.

    Ask

    • What evidence shows a conversion occurred?

    Look For

    Observed light, motion, sound, or warming.

  3. 03

    Explain

    10 min

    Teacher Does

    Formalize conversion, transfer, electrical energy, motion energy, thermal energy, criterion, and refine.

    Students Do

    Sort examples into transfer versus conversion.

    Ask

    • Can one device include both transfer and conversion?

    Look For

    Yes, with a specific example.

  4. 04

    Elaborate

    14 min

    Teacher Does

    Run the design-test challenge with a clear criterion.

    Students Do

    Test a device, record results, and propose one refinement.

    Ask

    • Which evidence tells you what to change?

    Look For

    Refinement tied to observed problem.

  5. 05

    Evaluate

    7 min

    Teacher Does

    Assign the labeled pathway and design-evidence task.

    Students Do

    Explain the pathway and justify one improvement.

    Ask

    • What converted? What transferred? What evidence supports the refinement?

    Look For

    Complete pathway plus test evidence.

Student goal

I can trace an energy-conversion pathway and use test evidence to improve a device.

Learning objectives

  • Distinguish energy transfer from energy conversion using device examples.
  • Trace an energy pathway from a source to one or more outputs.
  • Design, test, and refine a simple device using evidence from a clear criterion.

Materials

  • Low-voltage battery devices or prepared diagrams
  • Bulbs/LEDs
  • Buzzers
  • Motors
  • Wires
  • Test sheets

Before class

  • Pretest all low-voltage devices.
  • Prepare one device with a deliberate loose-connection problem or use a prepared evidence card.
  • Set one clear success criterion.
  • Keep the task qualitative rather than calculating efficiency.

Prior knowledge

  • Students know energy can transfer through sound, light, heating, and electric current.
  • Students can read a simple test table.

Vocabulary

energy conversion
A change from one form of energy to another.
energy transfer
The movement of energy from one place or object to another.
electrical energy
Energy associated with electric charges and currents.
motion energy
Energy associated with the motion of an object.
thermal energy
Energy associated with particle motion and temperature.
criterion
Something a successful design must do.
refine
To improve a design using evidence from testing.

Differentiation

  • Use arrow cards labeled source, transfer, conversion, and output.
  • Provide partially completed pathway diagrams.
  • Allow oral explanation before writing.
  • For extension, ask students to identify two outputs and discuss which is useful for the device goal.

Assessment

  • Check transfer-versus-conversion distinction.
  • Check device pathway accuracy.
  • Check criterion interpretation.
  • Require one evidence-based refinement.

Exit ticket

Name one device and explain one energy conversion it performs.

Extension

Compare two devices that start with electrical energy but produce different useful outputs.