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Wide World of Gears
Read the Fine Print
Educational Use
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In an interactive and game-like manner, students learn about the mechanical advantage that is offered by gears. By virtue of the activity's mechatronics presentation, students learn to study a mechanical system as a dynamic system under their control as opposed to a static image. The system presented is of two motorized racing cars built using the LEGO® MINDSTORMS® robotics platform. The altered variable between the two systems is the gear train; one is geared up for speed and the other is geared down for torque. Students collect and analyze data to reinforce particular aspects and effects of mechanical advantage.

Subject:
Applied Science
Engineering
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Carlo Yuvienco
Date Added:
09/18/2014
Worm Investigation to Explore Experimental Design
Conditional Remix & Share Permitted
CC BY-NC-SA
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This activity is a lab intended to help students learn to setup an investigation with worms to learn about experimental design and data collection.

Subject:
Life Science
Material Type:
Activity/Lab
Provider:
Science Education Resource Center (SERC) at Carleton College
Provider Set:
Pedagogy in Action
Author:
K. Hoffman
Date Added:
08/10/2012
tiny Pants Photo Challenge
Conditional Remix & Share Permitted
CC BY-NC-SA
Rating
0.0 stars

In this activity, learners use basic measurements of the Earth and pieces of rock and iron to estimate the mass of the Earth. Learners will calculate mass, volume, and density, convert units, and employ the water displacement method. To calculate an even more accurate estimate of the mass of the Earth, this resource includes optional instructions on how to measure the iron core mass.

Subject:
Physical Science
Physics
Material Type:
Activity/Lab
Provider:
Exploratorium
Author:
Eric Muller
The Exploratorium
Date Added:
11/07/2010