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Plants: Hanging Tough
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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
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Biological Succession in a Microecosystem
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This laboratory activity helps learners understand the concept of biological succession by simulating the process in a microenvironment with various protozoans.
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Science Cooks!
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In this health, cooking, and math activity, learners explore nutrition and examine nutrition labels.
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Rock Bottoms
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Learners add acid rain (nitric acid) to two cups that represent lakes. One cup contains limestone gravel and the other contains granite gravel.
Diffraction Between Wax Blocks
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In this optics activity, learners explore diffraction by adding wax blocks to a ripple tank. The wedge-shaped blocks act as obstacles that the wave must bend around.
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The Carbon Cycle and its Role in Climate Change: Activity 2
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In this activity (on page 7), learners explore the meaning of a "carbon sink." Using simple props, learners and/or an educator demonstrate how plants act as carbon sinks and how greenhouse gases cause
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Lost Labels
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In this experiment, learners will conduct chemical and physical tests to identify mystery substances.
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Disease Detectives
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In this activity, learners examine antibodies and antibody recognition using a model.
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Design a Flavor: Experiment to Make Your Own Ice Cream Flavor!
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In this delicious activity, learners get to make, taste-test and compare their own "brands" of homemade strawberry ice cream.
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Reason for the Seasons
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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.
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Find Your Way Around Without Visual or Sound Cues
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In this activity, learners play a series of simple games to investigate navigation without visual and sound cues.
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Energy For Life
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In this activity about the relationship between food and energy (page 1 of PDF), learners observe and quantify the growth of yeast when it is given table sugar as a food source.
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Sensational Seaweed
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In this culinary activity, learners use multiple senses (sight, smell, touch, and taste!) to explore real seaweed samples.
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Sustainable Fishing
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In this activity, learners use a model for how fishing affects marine life populations, and will construct explanations for one of the reasons why fish populations are declining.
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Nano Latch-n-Catch
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In this activity, learners design a therapeutic agent to image and/or cure various diseases in the respiratory system.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-648.jpg?itok=vsnvimX-)
Testing Antimicrobials:: Antibacterial Soap? Do They All Work the Same?
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Many common household cleaners are antimicrobials.
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Examining the Heart
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In this activity about the heart (on page 22 of the PDF), learners examine sheep or chicken hearts to learn about the heart's structure and the flow of blood through the heart.
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Salt Water Revival
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In this outdoor activity, learners visit the intertidal zone of a rocky coastal site well populated with marine organisms.
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Differing Densities: Fresh and Salt Water
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In this activity, learners visualize the differences in water density and relate this to the potential consequences of increased glacial melting.
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Wild or Domestic Animal Game
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In this quick activity (page 2 of PDF), learners will play a game using their observation and listening skills, interpreting clues from each other to deduce their secret animal identity.