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Think Fast!: Just How Quick Are You?

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    The Exploratorium

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Think Fast!: Just How Quick Are You?

This is an activity about reaction times. Just how quickly must an NHL goalie respond to save a shot, and how does your reaction time compare? In order to figure out, learners must describe motion using a yardstick, a friend, and a little bit of math.

Quick Guide

Preparation Time:
Under 5 minutes

Learning Time:
10 to 30 minutes

Estimated Materials Cost:
1 cent - $1 per group of students

Age Range:
Ages 14 - adult

Resource Types:
Activity, Experiment/Lab Activity


Materials List (per group of students)

  • yard stick
  • a friend


  • Mathematics
    • Data Analysis and Probability
      • Data Analysis
      • Data Collection
    • Measurement
      • Rate
  • Physical Sciences
    • Energy
    • Motion and Forces

Informal Categories

  • Sports and Exercise


To use this activity, learners need to:

  • see
  • read
  • touch

Learning styles supported:

  • Involves teamwork and communication skills
  • Involves hands-on or lab activities


This resource is part of:

Access Rights:

  • Free access



  • All Rights Reserved, Exploratorium,


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