Search Results
Showing results 181 to 200 of 228
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-983.png?itok=LvjWq7B6)
Audio Memory
Source Institutions
In this interactive game, learners will test their memory of animal and insect sounds. Flip over cards, listen to the sound, and try to find the ones that match.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-666.jpg?itok=nyYqG6e6)
What am I?
Source Institutions
In this activity, learners examine nanoscale structures of common things.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-592.png?itok=KnUMP3Z6)
Count Around
Source Institutions
Learners explore their surroundings while reasoning about categories and counting.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-005.gif?itok=NarwQRJt)
Swirling Milk
Source Institutions
In this chemistry activity, learners prepare two petri dishes, one filled with water and one filled with milk.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-513.jpg?itok=OYOp0tgC)
Exploring Materials: Graphene
Source Institutions
In this activity, learners investigate the properties of graphene and graphite.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-822.jpg?itok=ULC6_1e1)
Do Sweat It!
Source Institutions
In this activity, learners explore why humans sweat. Learners compare the effects of heat on a balloon filled with air and a balloon filled water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-753.jpg?itok=bn9de7f4)
Big Sun, Small Moon
Source Institutions
Learners will explore the concept of angular distance, and investigate why the moon appears to be the same size as the sun during a solar eclipse, despite the sun being much larger.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-505.jpg?itok=yn9kXuwy)
Exploring Tools: Mitten Challenge
Source Institutions
In this activity, learners build a LEGO® structure while wearing mittens. This activity shows learners how difficult it is to build small things when your tools are too big.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-064.gif?itok=qPHrfHoa)
Seeing Is Believing
Source Institutions
This activity is designed to accompany the PBS documentary about African-American chemist "Percy Julian: Forgotten Genius." Learners look through two cups with small holes in them to simulate what it'
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-004.png?itok=qMj6A29m)
Starch Slime
Source Institutions
Learners mix liquid water with solid cornstarch. They investigate the slime produced, which has properties of both a solid and a liquid.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-122.jpg?itok=EEm6FhVX)
Número misterioso
Source Institutions
Combine la lógica y los números en este juego para todas las edades.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-762.jpg?itok=spoTxXxR)
Planetary Rescue Squad
Source Institutions
This is an online Flash game where learners can experiment with ballistics and how to compensate for the varying levels of gravity found on the planets of our Solar System.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-794.jpg?itok=h6vPYzng)
Exploring the Universe: Nebula Spin Art
Source Institutions
In this activity, participants will learn about how gigantic clouds of gas and dust in space, called nebulas, are formed. They'll create their own colorful model nebula using paint and a spinner.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-060.png?itok=29EQjv90)
Mix-N-Match Light
Source Institutions
This is an online exhibit about color perception. Learners set a random background color and then try to mix red, blue, and green light to match.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-515.jpg?itok=aB7B51uy)
Exploring Forces: Static Electricity
Source Institutions
In this activity, learners investigate what happens when you build up static electricity on plastic balls.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-298.jpg?itok=qn-nwFls)
Yeast-Air Balloons
Source Institutions
In this activity, learners make a yeast-air balloon to get a better idea of what yeast can do. Learners discover that the purpose of leaveners like yeast is to produce the gas that makes bread rise.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-674.jpg?itok=WljRWpIg)
Colored Shadows
Source Institutions
In this optics activity, learners discover that not all shadows are black. Learners explore human color perception by using colored lights to make additive color mixtures.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-648.jpg?itok=psrjXzWj)
Exploring Size: Scented Solutions
Source Institutions
This is an activity in which learners will find that they can detect differences in concentration better with their nose (smelling) than with their eyes (seeing).
Team Up: Fun With Division
Source Institutions
In this activity, learners will divide into teams or groups of equal size. “How many teams of three can we make?” “We need an equal number of children at each of the four computers.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-744.jpg?itok=hkwmw7mJ)
Exploring the Solar System: Magnetic Fields
Source Institutions
The "Exploring the Solar System: Magnetic Fields" activity shows participants how scientists can use tools to study the invisible magnetic fields of Earth, the Sun, and other objects in the universe.