Search Results
Showing results 121 to 140 of 327
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-759.jpg?itok=6Nbm7sc8)
Plankton Feeding
Source Institutions
This activity provides a hands-on experience with a scale model, a relatively high viscosity fluid, and feeding behaviors.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-044.jpg?itok=aqEnjdsN)
Measuring the Wind
Source Institutions
In this activity, learners explore how anemometers work to record wind speeds and how the equipment has undergone engineering adaptations over time.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-798.png?itok=IKCcV01K)
Cook Up a Comet
Source Institutions
In this activity (on page 5 of PDF), learners use dry ice and household materials to make scientifically accurate models of comets.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-698.gif?itok=aZE1LnL3)
Inverted Foucault Pendulum
Source Institutions
In this demonstration, learners explore a variation of a Foucault pendulum, but upside down.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-713.gif?itok=pdhoFKYs)
Three Circles of Pigments
Source Institutions
In this activity, learners overlap the three primary colors to see how all other colors are made.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-707.jpg?itok=KE2PHeFp)
Earth Walk
Source Institutions
In this hands-on and feet-on excursion, learners take a science walk to visualize the planet's immense size and numerous structures, without the usual scale and ratio dimensions found in most textbook
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-366.jpg?itok=D7tM5xpJ)
Egg Bungee
Source Institutions
Learners attach an egg to a rubber-band bungee cord and drop the egg.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-411.jpg?itok=mpWvif0x)
Mosquito Life Cycle
Source Institutions
In this activity, learners build a plastic emergence chamber (or use purchased "mini mosquito breeder") to observe and analyze the mosquito life cycle.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-288.png?itok=zeWJSTQH)
Seas in Motion
Source Institutions
In this outdoor, beach activity, learners use tennis balls, water balloons and other simple devices to investigate the movement of waves and currents off a sandy beach.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-289.png?itok=b9p-C7DZ)
Temperature vs. Height: Soda Geyser Series #6
Source Institutions
In this activity, learners conduct a controlled experiment to examine how temperature will affect the height of a soda geyser.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-362.jpg?itok=ioXujR6G)
Half Full or Half Empty
Source Institutions
In this activity (12th activity on the page), learners conduct an experiment to demonstrate how muscles are constantly feeding information to the brain about what they are doing.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-467.gif?itok=xyFPQWw2)
Getting There!: Navigation and Trajectory
Source Institutions
In this two-part activity, learners map a navigation plan to get from Earth to Mars and back. In activity one, learners represent the orbital paths of Earth through dance and dramatic movement.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-473.gif?itok=bYYEQc6Z)
Vestibular-Ocular Reflex
Source Institutions
In this activity, learners will perform various investigations to understand the vestibular-ocular reflex and learn about the importance of visual cues in maintaining balance.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-463.gif?itok=yStFcDbB)
The Parachuting Egg
Source Institutions
In this activity, learners work in groups to design a parachute out of household items that keeps an egg secure when dropped from a certain height.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-305.gif?itok=zwBhjHPs)
Potato Power
Source Institutions
Learners combine hydrogen peroxide with three different forms of potato: raw chunks, ground chunks, and boiled chunks.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-980.jpg?itok=jR2WC2ak)
Design and Build a Better Candy Bag
Source Institutions
In this activity, learners explore how product design differences can affect the success of a final product -- in this case a bag for holding candy.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-577.png?itok=ptETfKBd)
Modeling the Night Sky
Source Institutions
In this two-part activity, learners explore the Earth and Sun's positions in relation to the constellations of the ecliptic with a small model.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-701.gif?itok=s7U2QfU3)
To Topo Two
Source Institutions
In this activity, two groups of learners create two separate landform models out of clay (mountains and valleys).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-715.gif?itok=9Zmdwhtt)
Gummy Growth
Source Institutions
In this activity related to Archimedes' Principle, learners use water displacement to compare the volume of an expanded gummy bear with a gummy bear in its original condition.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-699.gif?itok=FKg-JqFK)
Personal Time Line
Source Institutions
In this activity, learners work in groups to create a time line representing significant moments in their lives.