Search Results
Showing results 141 to 160 of 213
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-657.png?itok=UDbNV7vv)
Shake and Match
Source Institutions
In this activity, learners create a hearing based memory game that they can share with friends.
Send Secret Messages
Source Institutions
In this activity, learners write a secret message in "invisible ink" and then use chemistry to view the writing.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-001.png?itok=Z7MAJxl2)
Super Shrinkers
Source Institutions
In this activity on page 14 of the PDF (Rethinking the 3 R’s: It’s Easy to be Green), learners turn plain pieces of recycled plastic into shrunken works of art.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-196.jpg?itok=y7mXXBZO)
Waterbottle Membranophone
Source Institutions
In this activity, you'll use a straw, a water bottle and a paper tube to make an instrument that's very much like a saxophone.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-182.jpg?itok=hGvKc5cH)
Take an Egg for a Spin
Source Institutions
This is an activity about friction as well as kinetic and potential energy.
![](/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-000-000-002-244.png?itok=8gSU4cgX)
Measuring Blood Pressure in Space
Source Institutions
In this activity (page 105 of the PDF), learners measure heart rate and blood pressure and learn how to obtain consistent measurements during repeated tests.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-369.png?itok=saqFxzaR)
Seeing Your Blind Spot
Source Institutions
This activity (aka "snack") provides instructions for discovering your blind spot. It is an exploration of light and visual perception using simple materials you may have around the house.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-295.png?itok=7bk_fLNF)
Make a Balance / Scale
Source Institutions
In this activity, learners create a kind of balance device using a wire coat hanger, some string, and paper cups.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-144.jpg?itok=qvl2aHil)
Melts in Your Bag, Not in Your Hand
Source Institutions
In this activity, learners use chocolate to explore how the Sun transfers heat to the Earth through radiation.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-645.png?itok=7Z5uH56w)
Build a Raft
Source Institutions
In this activity, learners explore density and buoyancy as they design and construct rafts.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-753.jpg?itok=xvL8r4SZ)
Weightless Water
Source Institutions
In this physics activity (page 5 of the PDF), learners will witness the effects of free fall by observing falling water, and will gain a better understanding of the concept of weightlessness.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-545.png?itok=XaJ71nUc)
Big Bubbles
Source Institutions
How do you measure a bubble when it's floating? You can't really, but in this activity, learners can measure the diameter of the ring of suds a bubble leaves on a flat surface.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-613.png?itok=BINkxQBY)
Pop Rockets
Source Institutions
In this activity, learners make film canister rocket ships. A fin pattern is glued onto the outside of the canister, and fuel (water and half an antacid tablet) is mixed inside the canister.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-778.jpg?itok=AXeaZIpy)
Jumping Beans
Source Institutions
In this physics activity (page 3 of the PDF), learners will explore the concept of static electricity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-735.jpg?itok=YEd2ohv9)
Pinhole Magnifier
Source Institutions
In this activity related to light and perception, learners use a pinhole in an index card as a magnifying glass to help their eye focus on a nearby object.
![](/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.
Floating Paperclip and Other Surface Tension Experiments
Source Institutions
In this activity, learners experiment with surface tension using everyday household items such as strawberry baskets, paperclips, liquid dish soap, and pepper.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-042.jpg?itok=NSDvTXrm)
Fog Chamber
Source Institutions
In this weather-related activity, learners make a portable cloud in a bottle.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-056.jpg?itok=tZbcw7LS)
Volcano Baseball
Source Institutions
In this game, learners are volcanoes that must complete several steps to erupt. Starting at home plate, learners draw cards until they have enough points to move to first base.