Search Results
Showing results 101 to 120 of 166
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-593.gif?itok=Bd-xvite)
Why do Raindrops Sometimes Land Gently and Sometimes Land with a Splat?
Source Institutions
In this activity, learners examine raindrop bottles (prepared ahead of time) to observe in slow motion the behavior of falling droplets and explore concepts such as drag and terminal velocity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-045.jpg?itok=ay8FRFzQ)
Particle Detection
Source Institutions
By tossing, collecting, and sorting beanbags, learners understand how the IBEX spacecraft uses its sensors to detect and map the locations of particle types in the interstellar boundary.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-582.gif?itok=PVHWP5vY)
Magnifying and Observing Cells
Source Institutions
In this activity related to microbes, learners make slides of cells from an onion skin and Elodea (American or Canadian waterweed) to observe under a microscope.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-681.png?itok=yaYmtTQS)
Quipus
Source Institutions
Learners create an Incan counting device called a quipu (pronounced kee-poo).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-596.png?itok=x90gd9ap)
Our Solar System to Scale
Source Institutions
In this activity, learners plan and create a 24-foot long, two-dimensional model of our solar system, and compare and contrast the differences between planets and the sun.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-762.jpg?itok=eLZgroBz)
Detect Solar Storms
Source Institutions
In this activity, learners build their own magnetometer using an empty soda bottle, magnets, laser pointer, and household objects.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-050.jpg?itok=Qz8Vvx-r)
Treasures in the Rough
Source Institutions
In this archaeology activity, learners make observations and conduct an experiment to demonstrate the effect saltwater has on artifacts.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-001.jpg?itok=qKeUKLPy)
Make A Map for A Treasure Hunt
Source Institutions
In this activity, learners will explore how maps can provide information about a place and help us find our way from one location to another.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-112.png?itok=gK4Bqqsy)
Sink or Swim?
Source Institutions
In this activity, learners identify different plastics in a mystery bag. Learners discover that plastics are classified #1 through #7.
Making An Impact!
Source Institutions
In this activity (on page 14 of PDF), learners use a pan full of flour and some rocks to create a moonscape.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-858.jpg?itok=I_JMtEIP)
Breathing Yeasties
Source Institutions
In this life science activity (page 8 of the PDF), learners explore the carbon cycle by mixing yeast, sugar and water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-816.jpg?itok=4EmTFmnp)
There's Always Room For JELL-O
Source Institutions
In this activity, learners cut wells in JELL-O© and load the wells with different detergent solutions.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-143.jpg?itok=rE-NvVZ0)
Canned Heat
Source Institutions
In this activity, learners explore how light and dark colored objects absorb the Sun's radiations at different rates.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-147.png?itok=ODu_RXju)
Generations of Traits
Source Institutions
In this hands-on activity, learners track and record the passage of colored "pompom traits" through three generations of gingerbread people.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-153.jpg?itok=aR55rjzM)
Pick the Risk: The Polygenic Pedigree Challenge
Source Institutions
In this activity, learners are challenged to track and record the passage of colored pom poms (representing genes) through generations of a family using a pedigree.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-735.jpg?itok=zK6vC6u8)
Secret Writing Devices
Source Institutions
In this activity about encryption, learners cut out a secret decoder badge from a handout and use it to encode messages to each other.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-419.jpg?itok=DoszGX5C)
Mystery Box: Making Observations and Collecting Data
Source Institutions
This activity was designed for blind learners, but all types of learners can use it to learn to differentiate between qualitative and quantitative observations and to practice data collection.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-508.jpg?itok=W-lLPcHO)
Chromatography
Source Institutions
In this chemistry activity, learners will separate a mixture of FD&C dyes (colors certified and allowed by the US for the Food, Pharmaceutical, Cosmetics & Personal Care industry) to practice
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-571.gif?itok=Arwv14UX)
Can Nutrients in Water Cause Harm?
Source Institutions
In this water pollution activity, learners create pond water cultures and investigate the effects of adding chemicals or natural nutrients.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-559.png?itok=n2QuQwC-)
Mapping the Spread of HIV/AIDS: Trailing the Pandemic
Source Institutions
In this activity, learners act as epidemiologists by mapping the prevalence of HIV/AIDS worldwide.