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Showing results 21 to 40 of 54
Plants: Hanging Tough
Source Institutions
In this hands-on activity, learners will become familiar with the special adaptations of rainforest plants and discover the conditions needed for tropical trees to survive along with what can impinge
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-281.jpg?itok=ytV2gHye)
Fish forms
Source Institutions
In this activity, learners create a three-dimensional sculpture while examining the characteristics of fish.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-535.png?itok=7sKh2tES)
Reason for the Seasons
Source Institutions
In this activity (on page 6 of the PDF), learners plot the path of the sun's apparent movement across the sky on two days, with the second day occurring two or three months after the first.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-675.jpg?itok=gt3CzHb-)
Draggin' Boats
Source Institutions
Learners design, build, and test models of "dragon boats" made from up to three milk cartons.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-205.jpg?itok=hDgObBfH)
Slimy Cells
Source Institutions
In this activity, learners solidify their conceptualization of cells by building a model of a cell in a ziplock bag.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-994.png?itok=p9UdaQyC)
Prepare for a Dock Shop Field Trip
Source Institutions
In this activity, learners explore what makes a boat float and sink. They examine and test various objects to determine why objects float or sink.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-923.jpg?itok=_-xqjUQh)
Sky Glider Challenge
Source Institutions
In this design challenge activity, learners use two helium-filled balloons to build a blimp that can travel in a straight path across the room.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-953.png?itok=9CzBtMB9)
Tall Tower Challenge
Source Institutions
In this activity, learners explore the design of tall structures such as skyscrapers and telecommunication towers.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-025.png?itok=oOllrJWR)
Building Together
Source Institutions
In this Bob the Builder(TM)-themed activity, learners explore what it means to work together as a team.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-417.jpg?itok=XX13SdhR)
Solar System in My Neighborhood
Source Institutions
In this activity, learners shrink the scale of the vast solar system to the size of their neighborhood.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-365.png?itok=QeRSdqbT)
Wind Works!
Source Institutions
Learners will build and experiment with their own windmills made from simple household materials.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-643.jpg?itok=sKLTLgt6)
Luminescence
Source Institutions
In this two-part activity about luminescence, learners explore the chemistry that happens inside glow sticks and other light producing reactions.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-410.png?itok=Fruy6BK1)
Design a Park
Source Institutions
In this activity, learners are invited to imagine the park of their dreams!
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-389.jpg?itok=YVPa55rG)
Floodplain Modeling
In this design-based lesson, learners study flood dynamics as they modify a riverbed with blockages or levees to simulate real-world scenarios.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-560.png?itok=kwTPv_wj)
Modeling an HIV Particle
Source Institutions
This activity helps learners visualize the Human Immunodeficiency Virus (HIV) by constructing three-dimensional HIV particle models from paper.
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-000-000-004-565.png?itok=C5k26NWy)
Breathing Machine
Source Institutions
In this activity, learners work in teams to construct human lung models from small plastic beverage bottles and balloons.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-140.jpg?itok=Uz7XUZgE)
Reading DNA
Source Institutions
In this activity, learners use edible models of the DNA molecule to transcribe an mRNA sequence, and then translate it into a protein.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-154.jpg?itok=vMFhwnMl)
DNA and Histone Model
Source Institutions
In this activity, learners construct a 3-D paper model depicting how histone, acetyl and methyl molecules control access to DNA and affect gene DNA expression.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-285.jpg?itok=Kc9ad8IT)
Make a Comet Model and Eat It!
Source Institutions
In this activity, learners build models of comets, using edible materials, to learn about comets' structure.