Search Results
Showing results 1 to 20 of 151
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-051.jpg?itok=5nZum4tp)
Excavating and Mapping Under Water
Source Institutions
In this archaeology activity, learners consider ways in which excavating an underwater site is different from excavating a terrestrial site.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-730.jpg?itok=8xt_ZhiJ)
Soap Bubble Shapes
Source Institutions
Learners explore three-dimensional geometric frames including cubes and tetrahedrons, as they create bubble wands with pipe cleaners and drinking straws.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-286.jpg?itok=jyU_KjvO)
Rocket Launchers
Source Institutions
In this activity, learners work with an adult to build a rocket and launcher out of a plastic 2-liter bottle, flexible plastic hose, plastic tubing, toilet paper tube, and duct tape.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-761.jpg?itok=bMDe62_W)
Hot Equator, Cold Poles
Source Institutions
In this activity, learners use multiple thermometers, placed at different angles, and a lamp to investigate why some places on Earth's surface are much hotter than others.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-047.png?itok=p-7widZN)
Is That DNA in My Food?
Source Institutions
In this activity, learners extract DNA from wheat germ. Use this activity to introduce learners to DNA, biotechnology and genetic engineering.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-947.jpg?itok=_rUhPLCR)
Cupcake Delivery
Source Institutions
In this design challenge, learners will create wind-powered contraptions to transport a load, such as a cupcake or another small object, and test to see if they work.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-490.jpg?itok=c9Em4Unp)
Invisible Ink Demonstration
Source Institutions
In this chemistry demonstration, learners will discover that phenolphthalein is a chemical that displays different colors depending on the acidity or basicity of the environment.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-357.gif?itok=blHTfrM_)
Our Sense of Sight: Color Vision
Source Institutions
In this activity, learners investigate color vision as well as plan and conduct their own experiments.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-404.jpg?itok=fNOO45vr)
Planaria Regeneration
Source Institutions
In this experiment with planaria (a type of flatworm), learners will investigate the capability of different body sections to regenerate.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-196.jpg?itok=X8_5VXpy)
Why Do Eclipses Happen?
Source Institutions
This fun and simple hands-on astronomy activity lets learners create 3D models of the Earth, Moon and Sun to demonstrate solar and lunar eclipses.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-949.jpg?itok=VMpAPxi1)
Bug Hats
Source Institutions
In this activity, learners use their imaginations and experiment with different materials to create bug hats.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-222.png?itok=xOa5mc9h)
Flocking for Food
Source Institutions
In this outdoor beach activity, learners use a variety of "beaks" (such as trowels, spoons or sticks) to hunt for organisms that shore birds might eat.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-236.jpg?itok=605Oyl1x)
Rainbow Density Experiment
Source Institutions
In this colorful activity (page 6 of the PDF), learners will make a multicolor density column by using different concentrations of sugar solutions.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-058.jpg?itok=2yTu3Nm_)
Slippery Coqui Eggs
Source Institutions
In this activity, multiple learners will use a game with ballloons to learn about coqui frog behavior.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-237.jpg?itok=5SuQXY0H)
How Are Soils Classified?
Source Institutions
In this activity about soil (page 7 of the PDF), learners will use their sense of touch as well as sight to understand how soil is classified based on texture and other details.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-101.jpg?itok=v-DzJP4q)
Build an Electromagnet
Source Institutions
In this activity, learners will build a simple electromagnet. They will test variables that would make the electromagnet stronger.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-127.jpg?itok=G8XzMoTk)
Heating and Cooling of the Earth's Surface
Source Institutions
Learners conduct an experiment to determine the rate at which two materials, sand and water, heat up and cool down.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-720.png?itok=pcx7TAlm)
Number Sense and Computation: Soak It Up
Source Institutions
In this math lesson, learners compare products to determine the best product.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-813.jpg?itok=34NreS-5)
Candy Dish Natural Selection
Source Institutions
In this yummy biology activity (page 3 of the PDF), learners participate in a demonstration of natural selection.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-768.png?itok=_-QbNZLh)
From Here to There
Source Institutions
In this water activity, learners discover ways to move water across the water table.