Code.org
Text Compression
The second lesson in a unit of 15 introduces pupils to text compression. The class begins with discussing how they already use text compression when sending text messages. Pairs learn more about the subject as they work to compress a...
Code.org
Bytes and File Sizes
A bite of bits. The first activity in a unit of 15 introduces the class to the byte. Pupils learn about other standard units for measuring file sizes, develop an understanding of relative sizes and the kind of units used to measure...
Code.org
Algorithms Detour - Shortest Path
Young programmers investigate the Single Source Shortest Path problem by working in paris to devise their own algorithm. They then progress to using Dijkstra's Algorithm to solve the problem.
Code.org
Routers and Redundancy
How are messages to the right recipient? Introduce the concept of routing Internet traffic by drawing a comparison to sending a letter. Groups use the Internet Simulator program to send messages to others using the same router and...
Code.org
Encoding Numbers in the Real World
Ah, the numerous number of numbers. Individuals research different ways of encoding numbers. After conducting their initial research, they find classmates who have researched a different article and the pair share information. The lesson...
Code.org
Sending Numbers
Binary graphing ... bit by bit. Pairs work together to develop a protocol in order to send the points of a graph. One partner sends the points and the other receives them and tries to recreate the graph. The pupils use the rubric to...
Code.org
Sending Binary Messages with the Internet Simulator
Show your class how to develop a protocol to solve a problem. Pupils then continue with working with binary messages but refine a protocol to assist with the distinction of individual bits by including a bit rate. Finally, the pairs use...
Code.org
Personal Innovations
Here's a resource designed to serve as an introduction to a computer science course. Groups brainstorm an innovation that may improve technology or use technology to solve a problem. The plan guides the teacher through the introduction...
Computer Science Field Guide
Computer Science Field Guide
Imagine computer science all summed up in one book. This resource provides 16 chapters that cover many aspects of computer science, ranging from algorithms to software engineering. The e-book contains links to applets to help explain...
Teach Engineering
Earthquakes Living Lab: Geology and Earthquakes in Japan
Sometimes it seems as if earthquakes hit the same places over and over again. Class members study Japan in order to determine why earthquakes keep happening there. Pairs work together to research and try to determine whether there are...
Teach Engineering
Earthquakes Living Lab: FAQs about P Waves, S Waves and More
Let's talk about earthquakes .... Using the Internet, pupils research what causes earthquakes, how scientists measure them, their locations, and their effects. The resource is not only informative, but it also builds crucial research...
Teach Engineering
Earthquakes Living Lab: The Theory of Plate Tectonics
Find out if your class agrees with Ice Age: Continental Drift ... or if it's just a fun family movie! Class members research the theory of continental drift, examine evidence of plate tectonics, connect this information to engineering,...
Code.org
Packets and Making a Reliable Internet
That's not what I said! My message did not arrive in the correct order! Introduce the concept of packets and the transmission control protocol used to send and receive information over the Internet. The class participates in an unplugged...
Teach Engineering
Earthquakes Living Lab: Designing for Disaster
Build and design to rock and roll. Pairs research building design in earthquake areas and use computer simulations to see the effects of earthquakes on buildings,. They then sketch and explain a building design that would withstand a...
Code.org
How Routers Learn
Your routers don't seem to be routing correctly. To figure out why, pupils act like routers, talk to their direct connects in order to determine as much information about the simulated network as possible. As they learn more about paths,...
Code.org
Encoding and Sending Formatted Text
Introduce your class to encoding text. Pairs work together to create a protocol to send text prior to learning ASCII encoding. Groups then collaborate to send and translate ASCII codes creating a formatted text message.
Code.org
Number Systems
Generating a system of shapes. Groups work together to create a number system using three different shapes as symbols. The groups should come up with the rules that generate all the possible permutations of the three shapes.
Teach Engineering
Earthquakes Living Lab: Finding Epicenters and Measuring Magnitudes
Pairs use an online simulation to determine the epicenter and magnitude of an earthquake. Using real data about the earthquake's maximum S wave amplitudes, they then determine the magnitude. The resource provides a great career...
Teach Engineering
Package Those Foods!
Designing the right package — it's more than a pretty picture. Challenge small groups to design a food package. They must consider the type of food they are packaging and the package's ability to control the physical and chemical changes...
Teach Engineering
Earthquakes Living Lab: Geology and the 1906 San Francisco Earthquake
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...
Exploratorium
Salty Pits
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.
Institute of Electrical and Electronics Engineers
Conveyor Engineering
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...
Teach Engineering
A Shot Under Pressure
You've got to pump it up! Using the equations for projectile motion and Bernoulli's Principle, class members calculate the water pressure in a water gun. The pupils collect data on the number of pumps and distance traveled in order to...
Computer Science Unplugged
Marching Orders—Programming Languages
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.