Search Results
Showing results 21 to 40 of 235
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-255.png?itok=D9_EKQ86)
How Quick Are Your Responses?
Source Institutions
In this activity (on page 134 of the PDF), learners explore reaction time.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-774.jpg?itok=FTR0MS3p)
Counting With Quadrants
Source Institutions
Millions of organisms can live in and around a body of water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-350.png?itok=cqBDW0Aq)
Lung Capacity
Source Institutions
This is an activity about lung capacity. Learners will measure their own lung capacity using a homemade spirometer.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-640.gif?itok=3gFZzAUX)
Secret Codon
Source Institutions
In this activity, "write" a secret message in genetic code as beads on a string.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-754.jpg?itok=IzkoKnGv)
Effect of Environment on Plant Growth
Source Institutions
The purpose of this plant biotechnology activity is to demonstrate the effect of changes in the environment on the growth and fertility of landscape grasses and crop grasses such as wheat and rice.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-813.jpg?itok=gcEaYrB_)
Pesticides and Eggshell Thinning
Source Institutions
This lab activity is about toxic substances like pesticides and their effects on biological systems. The activity starts with an introduction of how birds sequester calcium to make an egg.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-156.gif?itok=bSKUDMm6)
Arctic Sea Ice
Source Institutions
In this activity, learners explore how the area of Arctic sea ice has changed over recent years. First, learners graph the area of Arctic sea ice over time from 1979 to 2007.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-071.jpg?itok=GD8Vf4wF)
Animal House
Source Institutions
The goal of this activity is to design, build and test a house or toy for an animal.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-652.gif?itok=7LxXKYAD)
Life Size: What's in a microbe?
Source Institutions
In this activity on page 3 of the PDF, learners visualize the relative size and structural differences between microbes that have the potential to cause disease.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-803.jpg?itok=RBUwgNDW)
Membrane Permeability with Beets
Source Institutions
In this lab exercise, learners explore diffusion, cell membranes and particle size using beets and three alcohols.
Let's Count Humpback Whales: Environmental Effects on Population
Source Institutions
In this activity, learners use whale count data from the Hawaiian Islands Humpback Whale National Marine Sanctuary to compare whale counts in relation to environmental factors.
Coastal Erosion: Where's the Beach?
Source Institutions
Learners use beach profile data from a local beach or online data from Ocean City, Maryland to investigate coastal erosion and sediment transport.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-724.gif?itok=r-eNoc2m)
Lagging Sound
Source Institutions
In this group activity, learners see and hear the speed of sound. A learner designated the "gonger" hits a gong, once every second, as the rest of the group watches and listens from a distance.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-234.jpg?itok=cyLpphsT)
Natural Selection in Protected and Unprotected Populations
Source Institutions
In this simulation, learners model two elephant seal populations and how they change over time. Learners start with cards representing a variety of seals.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-755.jpg?itok=MmyHIHU4)
Transformation of E. coli Using Green Fluorescent Protein
Source Institutions
In this activity related to plant biotechnology, learners transform a strain of E. coli using green fluorescent protein from a bioluminescent jellies.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-678.gif?itok=nhNJZYSn)
Ambiguous Cube
Source Institutions
In this activity, learners construct a three-dimensional ambiguous cube to explore visual illusions and how our brains interpret or misinterpret information.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-787.gif?itok=1gTbJY5b)
Handwashing Laboratory Activities: Bowl Technique
Source Institutions
In this lab (Activity #2 on page), learners compare bacteria growth on two petri dishes containing nutrient agar. Learners touch the doors, faucets, etc.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-793.jpg?itok=sElLGtME)
Plant Tissue Culture: Classroom Activities in Plant Biotechnology
Source Institutions
In this activity related to plant biotechnology, learners use the tissue culture process to rapidly produce clones (genetic copies) of a particular plant (cauliflower, rose cuttings, African violet le
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-143.jpg?itok=Tx4Pip5_)
Does Sunscreen Protect My DNA?
Source Institutions
In this laboratory experiment, learners explore how effectively different sunscreens protect yeast cells from damage caused by ultraviolet (UV) radiation.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-293.png?itok=4GDDC7AY)
Rock Pioneers
Source Institutions
In this outdoor activity/field trip, learners investigate organisms that live along the ocean's rocky coast.