Search Results
Showing results 1 to 20 of 24
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-178.png?itok=sHk61bRz)
Lean, Mean Information Machine: Using a Simple Model to Learn about Chromosomal DNA
Source Institutions
Learners observe a model of a cell and its chromosomal DNA made from a plastic egg and dental floss. Use this model to illustrate how much DNA is held in one cell.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-292.png?itok=lBAZGqxj)
Deer Me: A Predator/Prey Simulation
Source Institutions
In this activity, learners will simulate the interactions between a predator population of gray wolves and a prey population of deer in a forest.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-144.jpg?itok=xNxO-iqW)
Let's Clone a Mouse, Mouse, Mouse...
Source Institutions
Somatic Cell Nuclear Transfer (SCNT) is a cloning method that involves transferring a nucleus from a somatic cell of the individual to be cloned to an enucleated egg.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-469.png?itok=iVnyCjkY)
A Model Parasite
Source Institutions
In this detailed activity (on pages 9-18), learners investigate the body parts of a parasitic ascaris worm by making and dissecting clay models.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-898.jpg?itok=mG-SZMEy)
Carbon Sequestration
Source Institutions
In this inquiry-based lesson, learners measure the biomass of trees, calculate the carbon stored by the trees, and use this information to create recommendations about using trees for carbon sequestra
![](/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-000-000-002-094.jpg?itok=utnSeEC9)
Why Doesn’t the Ocean Freeze?
Source Institutions
In this activity, learners explore how salt water freezes in comparison to fresh water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-142.jpg?itok=PP-St5l9)
It's a Gas, Man
Source Institutions
In this activity, learners discover if carbon dioxide has an effect on temperature.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-943.jpg?itok=bVPNX-LN)
Calendarios para cualquier año
Source Institutions
Este Web site contiene links a 12 calendarios (12 meses). Cada mes contiene actividades sobre matemáticas.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-310.jpg?itok=na4Zw7hj)
Dogs and More Dogs
Source Institutions
In this activity, learners play an evolution card game to see how selective pressures can affect an organism's evolution.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-476.png?itok=HRFHWrDu)
Classy Parasites
Source Institutions
In this activity (on pages 2-8), learners experience how scientists use classification in their study of animals.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-117.jpg?itok=Yq5LvluE)
Mini Zoetrope
Source Institutions
In this activity (posted on March 27, 2011), learners follow the steps to construct a mini zoetrope, a device that produces an illusion of action from a rapid succession of static pictures.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-477.png?itok=8PpFSMn7)
Life in a Nutshell
Source Institutions
In this multi-faceted game (on pages 25-35), learners recreate what happens to creatures in the Brazilian rain forest as they grow from egg to adult—especially those that use fallen, empty Brazil nut
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-580.gif?itok=_7u_r8Em)
Heart and Lungs
Source Institutions
In this environmental health activity, learners investigate their breathing and pulse rates, and learn how these measurements are affected by physical activity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-214.jpg?itok=HjTwqw__)
Wolf Limiting Factors
Source Institutions
In this activity, learners simulate a wolf and its habitat and observe what happens when the limiting factors change over time.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-665.jpg?itok=Udwz5bW-)
Tree Trunk Diameter to Branch Height Relationship
Source Institutions
In this activity (located on page 2 of the PDF under GPS: Temperate Rain Forest Activity), learners will identify a group of deciduous trees to study.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-218.gif?itok=L6ZKmn9O)
Creating a Soil Map
Source Institutions
In this activity, learners investigate soil conditions by creating a soil map. Learners record soil characteristics and compare the conditions of soil in different grid sections.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-356.gif?itok=o1d10lQO)
Our Sense of Sight: How We Perceive Movement, Depth and Illusions
Source Institutions
In this activity, learners investigate visual perception as well as plan and conduct their own experiments.
![](/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.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-486.png?itok=ut3s45c3)
Medical Mystery
Source Institutions
This activity (on pages 15-23) combines interactive role-playing and graphing to introduce learners to the health affects of pollen.