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Lesson Planet

Earthquakes Living Lab: Geology and the 1906 San Francisco Earthquake

For Teachers 5th - 8th Standards
We can learn from the past to protect the future. Pairs look at two historical earthquakes: San Francisco, Calif., and Kobe, Japan. Pupils compare the two earthquakes and their impacts, then determine how engineers may use the...
Lesson Planet

Salty Pits

For Teachers 6th - 12th Standards
Yuck, does my deodorant kill that? To test whether deodorant is anti-bacterial, class members use petri dishes to grow control bacteria and bacteria from sweat, and then compare them to see if deodorant effects the growth. 
Lesson Planet

Conveyor Engineering

For Teachers 3rd - 12th Standards
Moving along the line. Class members research how a conveyor belt works in order to gain background information. Groups then design a conveyor belt that will carry a piece of candy four feet and along a 90-degree turn. The groups build...
Lesson Planet

Marching Orders—Programming Languages

For Teachers 4th - 8th
Computers need precise directions to complete a task. Class members experience what it is like to program a computer with an activity that asks one pupil to describe an image while classmates follow the directions to duplicate the picture.
Lesson Planet

Treasure Hunt—Finite-State Automata

For Teachers 4th - 12th
Introduce your class to the concept of finite-state automata with an activity that asks individuals to try to map their way to Treasure Island by taking different routes though an island chain. Each island has two ship sailing to...
Lesson Planet

Motor Effect

For Teachers 6th - 12th Standards
The magnetic wire. Class members create a magnetic field by running electricity through a wire. The video included in the resource provides information on how this effect is used to make electrical motors.
Lesson Planet

Modulated Coil

For Teachers 6th - 12th Standards
Transmit sound with an electromagnet. Class members follow the provided direction and build an electromagnet that will transmit sound though a cassette-tape player. As as extension they create an air core electromagnet and compare its...
Lesson Planet

Divide and Conquer—Santa’s Dirty Socks

For Teachers 4th - 12th Standards
The story "Santa's Dirty Socks" provides learners an example of a search algorithm that uses a divide and conquer system similar to a binary search algorithm. The included questions expand upon the concepts that follow the story.
Lesson Planet

The Orange Game–Routing and Deadlock in Networks

For Teachers 4th - 12th
How is data able to move in a congested network? Groups simulate moving data around a congested network by passing fruit around a circle, following specific rules, until everyone ends up with their own fruit. Extension activities include...
Lesson Planet

Pixels, Pictures, and Phones

For Teachers 6th - 12th Standards
Take a real close look at your phone screen. What do you see? Here's an activity that provides guidance on how to look at a smart phone screen in order to see the pixels and to see how the phone creates colors and motion on the screen.
Lesson Planet

Penny Battery

For Teachers 6th - 12th Standards
Use pennies to light an LED. Class members follow the provided directions to build a multi-celled battery powered by pennies. Using stacks of pennies of varying heights, pupils control the voltage of the battery to light different colors...
Lesson Planet

Card Flip Magic—Error Detection and Correction

For Teachers 4th - 12th
I can find the error in an array of cards? After watching a demonstration class members search for the error is the provided cards. The resource provides a real-life example of using ISBN numbers in error detection and using check sums.
Lesson Planet

Colour by Numbers–Image Representation

For Teachers 2nd - 12th
How do computers store and send images? Here's an activity that explains one way a computer can compress image information. Pupils decode run-length coding to produce a black and white image. Pairs then work together to code and decode...
Lesson Planet

Groovy Sounds

For Teachers 6th - 12th Standards
Make music. Class members construct a simple record player using a paper cone and a pin. The resource provides a description of what is happening and why listeners can hear the sounds through the cone. 
Lesson Planet

Beating the Motion Sensor

For Teachers 7th - 9th Standards
I bet I can cross the room without having the lights come on. Class members set up an experiment in which they try to determine what materials will mask motion detected by a sensor. Groups predict how materials will interact with light,...
Lesson Planet

Sound Bite

For Teachers 6th - 12th Standards
Learners use their teeth for more than just eating. The activity shows class members how to send sound through their teeth by using an electric motor connected to a radio to generate vibrations. Biting on the motor transfers the...