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This online game tests reaction time. The learner controls a computer-generated frog, and must press a button as soon as a fly appears on the game's radar screen or can be heard from the speaker. A sequence of six events that go into this particular reaction time are listed for discussion with learners, analyzing the human nervous response to some event. The key idea is that even with practice, the reaction time can be reduced but not brought down to zero. The activity is part of a much larger afterschool program, but can be used by itself.

Quick Guide

Preparation Time:
Under 5 minutes

Learning Time:
5 to 10 minutes

Estimated Materials Cost:
free per student

Age Range:
Ages 8 - 11

Resource Types:
Activity, Game


Materials List (per student)

  • Computer with Internet Access


  • Life Sciences
    • Human Body
      • The Brain and Nervous System
    • Human Senses and Perception
      • Vision
      • Hearing

Informal Categories

  • Games


To use this activity, learners need to:

  • see
  • read
  • use mouse

Learning styles supported:

  • Involves hands-on or lab activities


Components that are part of this resource:

This resource is part of:

Access Rights:

  • Free access


Source Collection

  • Science After School Consumer's Guide


Funding Source:

  • National Science Foundation