Search Results
Showing results 641 to 660 of 707
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-918.jpg?itok=UZmRLpkK)
The Power of Graphene
Source Institutions
This lesson focuses on graphene and its electrical properties and applications.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-227.jpg?itok=0xRQ6Val)
Chirping Bird
Source Institutions
In this activity, learners build a cuica or chirping bird using straw, string, and a bottle cap. Use this activity to explore the interplay of motion and sound.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-428.jpg?itok=YKEL--dw)
Heat Capacity: Can't Take the Heat?
Source Institutions
Why is ocean water sometimes the warmest when the average daily air temperature starts to drop? In this activity, learners explore the differing heat capacities of water and air using real data.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-223.jpg?itok=h0xSPux1)
Rocking Changes
Source Institutions
In this earth science activity, learners conduct a series of short experiments to explore how rocks change.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-414.jpg?itok=RqKCbJBx)
Family Flyers
Source Institutions
In this activity, learners work in teams to build and test paper airplanes. Learners try to fly their airplanes directly on the runway and earn points for accuracy.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-372.png?itok=C9pMk8DQ)
Design and Build a Wind Vane
Source Institutions
In this activity, learners design and build a simple wind vane —one of the oldest kinds of weather tools— and use it to show wind direction.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-551.png?itok=MlRixD6G)
Investigating Sleep
Source Institutions
In this activity about sleep rhythms (on page 25 of the PDF), learners will investigate how changing the time they go to bed impacts their own sleep patterns.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-237.jpg?itok=orhQGsPL)
Electromagnet
Source Institutions
In this activity, learners build an electromagnet using a nail, a cork, a battery, and electrical wire. Use this activity to demonstrate how electric currents produce magnet fields.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-613.png?itok=YN-QQAQO)
Sounds of the Heart
Source Institutions
In this activity, learners will investigate the sounds of the heart.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-713.jpg?itok=IV-V_hkR)
Computation and Estimation: Alphabits
Source Institutions
In this math lesson, learners apply the concepts of ratios and percentages to the distribution of letters contained in a box of Alphabits® cereal.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-476.gif?itok=xzIjxafu)
Airfoils
Source Institutions
In this experiment, learners discover how an airfoil creates lift. Learners use simple materials to build an airfoil and test it at different angles to investigate Bernoulli's principle.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-241.jpg?itok=t7wD3J6Z)
Squidgy Slime
Source Institutions
In this chemistry activity, learners transform two ingredients (4% polyvinyl alcohol solution and 4% borax solution) into gooey slime.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-269.jpg?itok=AxGbsEvS)
Weather Vane and Anemometer
Source Institutions
In this meteorology activity, learners construct simple devices to measure the direction and speed of wind.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-956.jpg?itok=LGL_hvm4)
Spring Scale Engineering
Source Institutions
In this activity, learners explore how spring scales work and how they are used for non-exact weight measurement.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-589.jpg?itok=kdLCweSe)
What is a "Model"?
Source Institutions
In this activity, learners simulate the behavior of the atmosphere.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-942.jpg?itok=c7Tew1MT)
Water Tower Challenge
Source Institutions
In this activity, learners explore how engineers work to solve the challenges of a society, such as delivering safe drinking water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-448.jpg?itok=ifbqzp4u)
Where Do We Choose to Live and Why?
Source Institutions
In this geography investigation, learners use a nighttime satellite image to observe areas of light across the United States and to identify patterns and spatial distributions of human settlements.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-968.jpg?itok=m9bVq5Ur)
Life Vest Challenge
Source Institutions
In this activity, learners explore the engineering behind life vests or personal flotation devices and the challenges met by these devices.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-257.jpg?itok=pg97dFxp)
Rubber Band Boat
Source Institutions
In this activity, learners build styrofoam boats powered by twisted rubber bands.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-243.jpg?itok=tWT2KQ9C)
Milk Plastic
Source Institutions
In this activity, learners transform everyday milk into small plastic figurines and jewelry. Use this activity to introduce learners to monomers and polymers.