Search Results
Showing results 21 to 40 of 95
When is a Glass of Water Really Full?
Source Institutions
In this activity, learners see how many coins they can add to a full glass of water before the water overflows.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-634.jpg?itok=N4EgKWGx)
Sandy Samples
Source Institutions
In this collecting/comparing activity, learners work with samples of sand from different places like a lakefront, river, or ocean beach.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-725.jpg?itok=9F__gqUq)
Water Sphere Lens
Source Institutions
In this activity about light and refraction, learners make a lens and magnifying glass by filling a bowl with water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-335.png?itok=OG1oVQxb)
Real Glass Xylophone
Source Institutions
In this activity, learners create a xylophone by filling glasses with different amounts of water and tapping them with a metal spoon.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-402.jpg?itok=VdFL1_8B)
Life in the Sidewalk Cracks
Source Institutions
In this activity, learners compare plant and animal life in different habitats including a sidewalk crack and lawn. Learners sort human-made materials and natural materials found in each habitat.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-312.png?itok=kpqneNbu)
Stadium Seat Science
Source Institutions
Take the two-straw challenge and discover how pressure affects vacuums! In this activity, learners experiment with drinking through one and two straws, comparing the amount of liquid they can drink.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-789.jpg?itok=WMr35u4X)
Measure Your Ability to See
Source Institutions
In this exercise (Activity #2 on page), learners test their distance vision to evaluate their overall eyesight.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-741.png?itok=P1_vNczp)
DNA Extraction: Look at your genes!
Source Institutions
Extract your DNA from your very own cells! First, learners swish salt water in their mouth to collect cheek cells and spit the water into a glass.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-023.png?itok=smz0GB2H)
Special Effects Using Household Chemicals
Source Institutions
In this activity on page 4 of the PDF (Behind the Scenes with Chemistry), learners make some special effects, including snow and breaking glass, with supplies found in the home.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-931.png?itok=oJ6xgHR5)
Water: A Basic Ingredient
Source Institutions
In this activity, learners explore healthy choices related to the liquids they drink. The importance of water and milk as essential nutrients for a healthy body is the focus of the experience.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-077.jpg?itok=ue7YBP_N)
Burning Issues
Source Institutions
Learners use a candle to investigate the products of combustion. When a glass rod is held over a lit candle, the candle flame deposits carbon on the rod.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-537.jpg?itok=zffVb373)
Beam Me Up!
Source Institutions
This is a quick activity (on page 2 of the PDF under Stained Glass Activity) about the "Tyndall effect," the scattering of visible light when it hits very small dispersed particles.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-271.jpg?itok=xtOTBhOm)
Glass and Mirrors: An Inside Look at Telescopes
Source Institutions
This hands-on astronomy activity allows you to create a “cutaway” telescope to clearly show how reflector and refractor telescopes work.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-539.png?itok=HaGUuGA4)
Science of Sunblock
Source Institutions
This is an activity (located on page 3 of the PDF under Stained Glass Activity) about nanotechnology making its way into everyday products, such as sunscreen, and how effective these invisible particl
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-501.jpg?itok=Xl4wCxfF)
Ice Fishing
Source Institutions
In this activity, learners will use string and salt to lift an ice cube out of a glass of water. Salt depresses the freezing point of water, allowing it to melt around the string and refreeze.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-889.jpg?itok=Z3CYKZ_T)
Gravity-Defying Water
Source Institutions
In this activity, learners explore gravity and air pressure as they experiment with holding a glass full of water upside down, without spilling it, using a simple piece of cardstock.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-362.gif?itok=Q4Lqdv7b)
Pictures From Light
Source Institutions
Did you know that using a lens one can bend light to make pictures of the world? It's true!
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-895.jpg?itok=daicFs87)
No Pressure
Source Institutions
In this activity, learners observe what would happen to their bodies if they went to outer space without a space suit.
The Bent Pencil
Source Institutions
In this optics activity, learners explore how light bends and affects what we see.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-774.jpg?itok=kcAosq2K)
Jar Races
Source Institutions
In this physics activity, learners will gain a better understanding of how friction, inertia, and mass affect objects.