Search Results
Showing results 241 to 255 of 255
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-808.png?itok=UdzVzuVT)
Balancing Act
Source Institutions
In this physics activity (page 6 of the PDF), learners will build a class 1 lever and hypothesize and test the distances two objects need to be placed from the fulcrum in order to balance.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-312.png?itok=NTdYbG5m)
Wintergreen
Source Institutions
In this outdoor, winter activity, learners find living green plants under the snow and determine the light and temperature conditions around the plants.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-010.png?itok=4wJeuA4m)
The Dead Zone: A Marine Horror Story
Source Institutions
In this environmental science and data analysis activity, learners work in groups to track a Dead Zone (decreased dissolved oxygen content of a body of water) using water quality data from the Nutrien
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-831.jpg?itok=Ry7OV3B4)
Biotech in a Bag
Source Institutions
In a series of three experiments, learners explore the basics of biotechnology using self-locking plastic baggies. Each experiment demonstrates a phenomenon or principle of biotechnology.
Without An Ark: The Effects of Storms and Floods
Source Institutions
April showers bring May flowers, but what do coastal storms bring?
Bag of Bones
Source Institutions
In this activity, learners will use cereal to conduct an experiment and investigate how decreased bone density is related to increased risk of bone fracture.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-398.gif?itok=Vlo0VHmk)
Jump to It!
Source Institutions
This is a quick and simple demonstration about reflexes (second activity on the page).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-830.jpg?itok=oI8m9hFp)
Genetics the Easy Way
Source Institutions
In this activity, learners make critters out of recyclables and apply the rules of mathematics to solve genetics problems.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-011.jpg?itok=hlumOeeB)
Amphipods: More than Mud
Source Institutions
In this data analysis and environmental science activity, learners examine the effects of pollution on amphipods using data from the Chesapeake Ecotox Research Program.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-284.jpg?itok=9eRdImd4)
Sustainable Grazing
Source Institutions
In this activity, learners investigate the food, water, and space needs of common livestock animals.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-788.gif?itok=e471OX6L)
Handwashing Laboratory Activities: Fingerprint Technique
Source Institutions
In this lab (Activity #1 on page), learners compare bacteria growth on two petri dishes containing nutrient agar: one that has been touched by a finger washed only with water and one that has been tou
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-411.jpg?itok=CkO41tVb)
That's the Way the Ball Bounces: Level 3
Source Institutions
In this activity, learners prepare four polymer elastomers and then compare their physical properties, such as texture, color, volume, density, and bounce height.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-149.png?itok=bhzmFDua)
Hatch-a-Cyst
Source Institutions
What is the optimal environment for hatching brine shrimp? Using a scaffold, learners design and conduct experiments testing the effect of a single abiotic factor on brine shrimp cyst hatch rate.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-401.gif?itok=nPz6ngNM)
The Senses of "Unknown Creatures"
Source Institutions
In this activity, learners use earthworms as "unknown creatures" from the South American jungle to find out how animals use senses.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-969.jpg?itok=8V7JHi7w)
Keep it Cool
Source Institutions
In this activity, learners explore how engineers have met the challenge of keeping foods, liquids, and other items cool.