Search Results
Showing results 1 to 13 of 13
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-378.png?itok=hm7Auz_-)
Seismic Slinky!
Source Institutions
Did you know that a Slinky makes a handy model of earthquake waves?
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-416.gif?itok=uNvIrPFs)
Build a Band
Source Institutions
In this design challenge activity, learners build a four-stringed instrument that can play a tune.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-160.jpg?itok=8ZSpyCs5)
Modeling Tidal Action
Source Institutions
In this activity (Lesson 1), learners work in groups to create tide simulations.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-185.jpg?itok=US1AV6nk)
Spots, Lines and Lasers
Source Institutions
Learners shine the light of a laser pointer through sheets of fabric that all have a different number of threads per inch.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-184.jpg?itok=sZzOkOVD)
How Thick is Your Hair?
Source Institutions
In this activity on page 13 of the PDF, learners use a laser pointer (with known wavelength of light) to measure the thickness of a human hair.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-041.jpg?itok=Y4NqV5FI)
Liquid Crystal Thermometers
Source Institutions
In this activity, learners explore liquid crystal thermometers to observe how heat flows by conduction, convection, radiation, and evaporation.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-625.jpg?itok=QKpkhPf3)
Ocean in a Bottle
Source Institutions
In this simulation activity, learners observe what can happen when ocean waves churn up water and oil from an oil spill.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-183.jpg?itok=-rA8oiCm)
Light and Dark
Source Institutions
Learners examine the properties of light by experimenting with an LED-flashlight and polarizing filters. When two polarizers are used, they block all light when they are placed at right angles.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-732.jpg?itok=zz-17kJq)
Good Vibrations
Source Institutions
This lesson (on pages 15-24 of PDF) explores how sound is caused by vibrating objects. It explains that we hear by feeling vibrations passing through the air.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-368.png?itok=ktA2jUA9)
Finding the Sweet Spot
Source Institutions
In this activity, learners will discover how to find the "sweet spots" on a baseball bat. Whenever an object is struck, it vibrates in response.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-313.jpg?itok=ryI3oY5T)
Rainbow Refraction
Source Institutions
In this activity, learners will explore how light can refract or break apart into different colors.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-814.jpg?itok=dbAFCZt-)
Tune Booster
Source Institutions
In this activity, learners build unique sound enhancing inventions with items from around the house to amplify sound from their smart phone's speakers.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-885.gif?itok=qDhjlZF1)
Water on the Move: Wind and Waves
Source Institutions
In this simple activity, learners explore ocean waves. To find out if water moves forward toward the shore, learners create waves in a simulated ocean (small aquarium tank of water).