Exploratorium
Sound Bite
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...
Exploratorium
Oil Spot Photometer
Are these two light sources the same? Groups use a white card and a little cooking oil to create a photometer that allows for the comparison of two lights. The Inverse Square Law provides a way to calculate the actual difference in...
Computer Science Unplugged
Tablets of Stone—Network Communication Protocols
Show your learners that the game of Telephone isn't the only way messages get mixed up. Pairs transform into the sender and receiver of a message sent in packets. At least one pupil is the messenger who either delivers, delays, or fails...
Computer Science Unplugged
Codes in a Song—Modems
Let's listen to some codes. To understand how a modem sends binary numbers over a phone line, class member listen to the codes included in the provided mp3 files, translates the tones to binary numbers and then convert the binary numbers...
Exploratorium
Indicating Electrolysis
Sure, your learners know water is made up of two molecules, but watching them separate helps the class see the construction like never before. This resource provides directions on how to build a simple electrolysis device using a...
Exploratorium
Vocal Visualizer
Make sound visible with an activity that provides directions for how to build a vocal visualizer meant to create light patterns. Making noise into the visualizer causes a mirror to vibrate, reflecting a laser beam, and creating the...
Exploratorium
Tired Weight
You don't need a scale to determine weight. This activity provides a way to use the concepts of air pressure and surface area to determine the weight of a vehicle by calculating the amount of weight each tire supports.
Intel
Understanding the Design Process
Can you build a better mousetrap? Broken into two sessions, this plan introduces learners to the design process. The first session has pupils look at the world through a design perspective by redesigning everyday objects. In the second...
NASA
Marsbound! Mission to the Red Planet
It's time to go to Mars. Using the provided cards and mat, groups design a mission to Mars. The cards contain information about the different components of the launch and warn about a few mishaps that might occur along the way.
Practical Action
The Wind Power Challenge
Up it goes! Groups must design and build a windmill able to lift a weight. The packet includes discussion points to use prior to the build that cover topics such as variables, fairness, and the design process.
Computer Science Unplugged
Tourist Town—Dominating Sets
As an introduction to using a network to determine the fewest number of nodes that meet a given condition, small groups work together to determine the fewest number of ice cream vans, and their locations, to be able to serve the people...
Computer Science Unplugged
The Poor Cartographer—Graph Coloring
Color the town red. Demonstrate the concept of graph theory with a task that involves determining the least number of colors needed to color a map so that neighboring countries are not represented by the same color. Pupils make...
Computer Science Unplugged
The Intelligent Piece of Paper
How smart is that piece of paper? The activity introduces the idea of computer programming as a list of instructions written by computer programmers. Two individuals play a game of Tic-Tac-Toe in which one follows the commands written on...
Computer Science Unplugged
Conversations with Computers—The Turing Test
Will the real computer please stand up? The premise of this activity is for the class to ask questions to a human and to a computer and to determine which is which. The class asks a given set of questions, and the person playing the role...
Computer Science Unplugged
Kid Krypto–Public-Key Encryption
Class members have an opportunity to experience how to use a public key to encrypt information and a private key to decrypt it. Groups create their own public key and encrypt information then develop private keys to decrypt this...
Kenan Fellows
Letter Writing to Politicians on Environmental Issues
Let your voices be heard! Pupils research local and national environmental concerns using the Internet. Class members determine an issue they deem important and draft a letter to a local politician expressing their concern about the...
Kenan Fellows
Determining the Effects of a Golf Course on Stream Health
Do golf courses affect the water organisms in nearby streams and ponds? Small groups collect samples of water upstream and downstream from a golf course and analyze the macroinvertebrates found and the stream index values of the two...
Kenan Fellows
Using Water Chemistry as an Indicator of Stream Health
Will this water source support life? Small groups test the chemistry of the water drawn from two different sources. They then compare the collected data to acceptable levels to draw conclusions about the health of the source. The...
Kenan Fellows
The Effects of Environmental Conditions on Aquatic Organisms
What kind of experiment can your class do to how observe the environment effects on organisms? Groups design and conduct lab experiments to learn about the effects of the environment on aquatic organisms. Based upon knowledge gained from...
Kenan Fellows
Microorganisms in Pond Water
That is living in the water? Groups of two to three view pond water with microscopes in order to find microorganisms. They draw pictures of the ones they find in their slides. The groups compare their drawings to pictures of common pond...
Computer Science Unplugged
Ice Roads–Steiner Trees
As an introduction to Steiner Trees, class members are challenged to find the shortest paths to connect multiple points. The teacher introduces the problem by showing how to connect three points. Groups then go outside and construct a...
Computer Science Unplugged
The Chocolate Factory–Human Interface Design
What is this? What is it for? How does it work? Challenge the class to think about to how to design a new chocolate factory for the Oompa-Loompas to make it easy to use. The activity is the first of a three-part series on computer-human...
Computer Science Unplugged
The Peruvian Coin Flip–Cryptographic Protocols
A digital flip. Introduce your classes to cryptographic protocols using and, or, and not gates. Groups create a complete circuit to convert a binary number into another one. This type of one-way function allows pupils to verify the...
Re Energy
Build Your Own Biogas Generator
What is biogas and how is it made? After examining background information about the sources of biogas and biogas generators, class members follow the provided information and build a biogas generator that can be used in the classroom.