Search Results
Showing results 1 to 20 of 265
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-609.png?itok=sgj7ll0T)
A Little Drop of Water: Cohesion
Source Institutions
Learners explore water's property of cohesion through two investigations.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-912.jpg?itok=h-u2R7Pa)
Fizzy Nano Challenge
Source Institutions
This lesson focuses on how materials behave differently as their surface area increases.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-178.png?itok=sHk61bRz)
Lean, Mean Information Machine: Using a Simple Model to Learn about Chromosomal DNA
Source Institutions
Learners observe a model of a cell and its chromosomal DNA made from a plastic egg and dental floss. Use this model to illustrate how much DNA is held in one cell.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-803.jpg?itok=gwVAdfLM)
Avalanche
Source Institutions
In this geology activity, learners create a model using a mixture of salt and sand inside a CD case. When the case is tilted or inverted, the mixture dramatically sorts into a layered pattern.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-624.jpg?itok=OasRsgVE)
Batter Up!
Source Institutions
This activity (on page 3 of the PDF under GPS: Baseball Activity) is a full inquiry investigation into how "bounciness" relates to the distance a ball will fly when hit off a batting tee.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-692.jpg?itok=_x-qgMJt)
Magnetic Spinner & Compass
Source Institutions
Learners use shop tools and various materials to construct a magnetic spinner and a compass.
Mercury in the Environment
Source Institutions
In this environmental science lesson, learners will examine the dangers of mercury and how humans contribute to growing mercury emissions on Earth.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-686.jpg?itok=DAiTGkRA)
Tops
Source Institutions
In this activity, learners discover that some things only stand up while they are spinning.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-779.jpg?itok=GMr1RVvp)
Newton's Laws Demonstrations
Source Institutions
In this collection of demonstrations, learners explore Newton's Laws of Motion.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-801.gif?itok=Nn1wbkVT)
Fan Cart
Source Institutions
If a sailboat is stranded because there is no wind, is it possible to set up a fan on deck and blow wind into the sail to make the boat move?
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-357.gif?itok=blHTfrM_)
Our Sense of Sight: Color Vision
Source Institutions
In this activity, learners investigate color vision as well as plan and conduct their own experiments.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-790.gif?itok=jMLykBhV)
Pulleys
Source Institutions
In this activity, learners build inexpensive pulley assemblies from pulley wheels used for sliding screen door replacement or from clothesline spreaders.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-690.jpg?itok=PzwPJpxp)
Matraca
Source Institutions
In this activity, learners create a traditional Mexican noisemaker (a matraca) using cardboard, craft sticks, and a wooden dowel.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-497.png?itok=2ooHCdQc)
Fragile Waters
Source Institutions
In this activity (on pages 18-29) learners explore the impact of the March 24, 1989 oil spill in Alaska caused by the Exxon Valdez tanker.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-684.jpg?itok=3WanoNLh)
Zig Zag Bopper
Source Institutions
In this activity, learners build a machine made of craft sticks to multiply the levering motion of their hands and create a device that bends and extends.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-800.gif?itok=zi-A4d98)
Electroplating
Source Institutions
In this electrochemistry activity, learners will explore two examples of electroplating.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-785.gif?itok=oVx2aChU)
Laser Lissajous: PVC Version
Source Institutions
In this activity, learners use a laser pointer and two small rotating mirrors to create a variety of fascinating patterns, which can be easily and dramatically projected on a wall or screen.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-441.jpg?itok=G3aZiNyD)
Ball Bounce Experiment
Source Institutions
In this activity, learners investigate the properties of different types of balls.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-544.png?itok=LawHMldb)
Surface Area and Soda Geysers
Source Institutions
This is an activity (located on page 4 of the PDF under Surface Area Activity) about surface area and reactivity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-694.png?itok=eFhbFsqa)
Inverse Functions: Pennies, Pressure, Temperature, and Light
Source Institutions
The major goal of this math lesson is to have learners collect data from a variety of experiments, determine what models best fits their data, and explain why their models are best.