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Showing results 1 to 19 of 19
Mercury in the Environment
Source Institutions
In this environmental science lesson, learners will examine the dangers of mercury and how humans contribute to growing mercury emissions on Earth.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-351.jpg?itok=Yjqv9l8V)
Dark Adaptation
Source Institutions
In this activity (6th on the page), learners investigate how photoreceptors in the eye (rods and cones) "adapt" to low light conditions.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-147.png?itok=pEwd6l7U)
Crunch Time
Source Institutions
In this quick and easy activity and/or demonstration, learners use two empty 2-liter bottles and hot tap water to illustrate the effect of heat on pressure.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-378.gif?itok=2P6IKUB0)
Our Sense of Hearing
Source Institutions
In this activity, learners investigate the sense of hearing and plan and conduct their own experiments.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-260.jpg?itok=QMGg2-GJ)
Lever Cowboy
Source Institutions
In this activity, learners build a figure that moves and "comes to life" when they pull its string.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-557.png?itok=orkDaI86)
Supporting Structures
Source Institutions
In this activity about living things and gravity (page 5 of PDF), learners design and build an exoskeleton or an endoskeleton for an animal of their own invention.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-540.png?itok=HwaNpkzE)
Living Clocks
Source Institutions
In this activity about daily rhythms (on page 17 of the PDF), learners will explore circadian patterns in humans, animals and plants.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-358.jpg?itok=cyjIlLUK)
Our Sense of Sight: Eye Anatomy and Function
Source Institutions
In this activity, learners investigate the sense of sight and develop and conduct their own experiments.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-533.png?itok=PSFWCTBj)
Using a Sundial
Source Institutions
In this activity (on page 12 of the PDF), learners make a sundial (shadow clock) appropriate for their geographic location in the northern hemisphere and use it to tell time.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-029.jpg?itok=HiLWj0co)
The Carbon Cycle and its Role in Climate Change: Activity 1
Source Institutions
In this activity (on page 1), learners role play as atoms to explore how atoms can be rearranged to make different materials.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-612.gif?itok=7y0IEX0t)
Afterimage
Source Institutions
In this activity about vision and optical illusions, learners conduct a simple test to demonstrate how our eyes create "afterimages." Learners stare at a black cardboard bat for at least 30 seconds an
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-155.gif?itok=3oMQPTAQ)
The Carbon Cycle: How It Works
Source Institutions
In this game, learners walk through an imaginary Carbon Cycle and explore the ways in which carbon is stored in reservoirs and the processes that transport the carbon atom from one location to another
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-558.png?itok=ASayYsnD)
Inner Strength
Source Institutions
In this activity about endoskeletons (page 8 of PDF), learners observe, compare and contrast different kinds of chicken bones, and relate their chicken bone observations to human bones.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-055.png?itok=5hZuVYfK)
Size, Scale and Models
Source Institutions
In this activity, learners take measurements and create charts to learn about the size of dinosaurs and their relative scale to humans.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-246.png?itok=wJ75YDaY)
Building a Magic Carpet
Source Institutions
In this activity (page 89 of the PDF), learners compare and contrast pitch and roll motions by using a Magic Carpet maze similar to one that was used for Neurolab investigations about microgravity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-979.jpg?itok=dk47e5zP)
Slowing the Flow
Source Institutions
In this experiment, pairs of learners explore how cold water affects circulation. The mammalian diving reflex (MDR) slows circulation when the body is exposed to cold water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-831.png?itok=U8jdIO4O)
Cool It
Source Institutions
In this outdoor activity/game, learners use thermometers to simulate how lizards survive in habitats with extreme temperatures.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-555.png?itok=xFDa0CuX)
Round, Light and Hollow
Source Institutions
In this activity about bones (page 12 of PDF), learners investigate and compare the weight-bearing capacity of solid and hollow cylinders.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-893.jpg?itok=puJSjqKl)
Crazy Camouflage
Source Institutions
In this activity about camouflage, learners create a model that shows how a flounder is able to blend into a variety of environments.