Handy Measuring Ratio

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Description

Overview:: In this activity, learners use their hands as tools for indirect measurement. Learners explore how to use ratios to calculate the approximate height of something that can't be measured directly by first measuring something that can be directly measured. This activity can also be used to explain how scientists use indirect measurement to determine distances between things in the universe that are too far away, too large or too small to measure directly (i.e. diameter of the moon or number of bacteria in a volume of liquid).

Subject:: Mathematics
Level:: Middle School, High School
Grades:: Grade 6
Material Type:: Activity/Lab
Author:: Exploratorium, Gordon and Betty Moore Foundation, National Science Foundation, The Exploratorium
Provider:: Exploratorium
Date Added:: 12/07/2010

Average Score (3 Points Possible)

Degree of Alignment	3 (1 user)
Quality of Explanation of the Subject Matter	3 (1 user)
Utility of Materials Designed to Support Teaching	2 (1 user)
Quality of Assessments	3 (1 user)
Quality of Technological Interactivity	2 (1 user)
Quality of Instructional and Practice Exercises	2 (1 user)
Opportunities for Deeper Learning	3 (1 user)