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Many of these labs allow students to test multiple variables. Caution: the journal and data entry sections of the simulations do not work, so you probably will want to arrange for students to write these on their own pages. Many of these labs are useful to substitute for activities in the class that are too costly, dangerous, or time consuming. I have assigned grades to some that I've explored in detail. Grades are based on interactivity, useability, and overall value of the exploration. Many of these can be used as simple class demonstrations, whereas others are more useful for having students explore and change variables.

Flinn Scientific has launched a website with an extensive amount of resources specifically developed to help teachers, students and parents continue their science education journey - even if that learning is taking place outside the classroom or laboratory environment. Examples of some of the resources we have developed: Free video labs with related teacher and student guides to help students at home continue making progress on key science topics More than 40 free, easy and fun-to-do activities that use commonly available materials to encourage science investigation in the home Flinn's unique digital learning solutions to facilitate seamless science learning. These online solutions are the perfect way to efficiently scale curriculum in an at-home setting - also free of charge On call scientists: over the coming days, we will be releasing video based lab experiments conducted by our scientific staff and broadcast from our studio with live events. As part of each live event, we will have our full team of scientists available to answer questions from teachers and students participating online - also free of charge and highly interactive and engaging. Be sure to check out our online calendar indicating the live schedule

Transgenic organisms, which contain DNA that is inserted experimentally, are used to study many biological processes. In this lab, you will create a transgenic fly to study circadian rhythms.

As you learned in Unit 4, ecosystems are a complex and delicate balancing game. The addition or removal of one species affects many other species with which it might compete for, or provide food. In this lab you will get a chance to "build your own" ecosystem, and explore the effects of these interrelationships.

The Virtual Biology Lab Project is designed to provide interactive activities that demonstrate ecological principles. We provide agent-based models that simulate classic ecological experiments or concepts across a wide range of ecological topics. Students manipulate experimental parameters and observe the results. These results are provided numerically and graphically and are reinforced with a visualization of the model's "world". The content is suitable for advanced high-school and college students.

Explore the diversity and evolution of birds with this web interactive based on the Wall of Birds mural. Envisioned by Cornell Lab ornithologists and realized by artist Jane Kim, the large-scale mural features species from all surviving bird families alongside a select group of extinct ancestors.

This lab will let you explore various diseases: Kold, a caricature of the common cold; Impfluenza, which resembles influenza; Neasles, with the high transmission rate of measles; and Red Death, a fast-spreading epidemic with a high mortality rate. What factors come into play in the spread of these diseases? And what can we do to counter them?

Explore DNA replication and the roles of various components in this process. You'll interact with this virtual lab to collect data, make observations, analyze findings, and draw conclusions.

Simulators which display cummulative generation graphs for variables.  Very cool data rich resource!  Includes Carbon cycle, demographis (human populations), Disease transmission, ecology, and energy simulations.

LabWrite guides student through the laboratory experience and writing a lab report.  Developed by NC State University with support from the National Science Foundation.

Data rich simulation where students adjust parameters and run simulator for 100 iterations and see how 1) two plant species compete for a niche or 2) how composition of a food web changes over time Links to online textbook, videos, visuals, scientists.

Introducing your students to Scratch will provide your students with hands-on opportunities to think creatively, solve problems and work collaboratively.  Scratch is a visual programming platform created at the Massachusetts Institute of Technology (MIT) by the Lifelong Kindergarten Group at the MIT Media Lab and is available to all users free of charge. This web-based tool is designed for students ages 8 to 16 but used by people of all ages.  With Scratch, you can program your own interactive stories, games, and animations - and share your creations with others in the online community.

Human and animal disease are often caused by viruses or bacteria. Over the past two hundred or so years, vaccines have eradicated some of these diseases. Others have returned to haunt humans with new and ever-mutating strains. Communicable diseases may spread in different ways: through blood, air, feces/urine, food, or water. The World Health Organization (WHO) and the Center for Disease Control (CDC) keep constant watch over the most potentially dangerous diseases and the most likely threats to various world populations.

Before civilization began to impact the human life cycle approximately 10,000 years ago, human beings had high birth and death rates. Today the world is in the midst of a demographic transition - a transition to low birth and death rates - as the ability to control both disease and reproduction increases. Along the way, between these extremes, populations go through an intermediate period of continued high birth rates, combined with low death rates, resulting in a population explosion.

View slides and interactive graphics from the Earth Lab: Degrees of Change exhibit at the Marian Koshland Science Museum of the National Academy of Sciences.

Interactive activities

Virutal microscope simuation

National Science Digital Library 

An innovative new breeding simulation helps reveal genetic ratios in offspring. With the heredity level of the ConnectedBio Multi-Level Simulation (MLS), students breed pairs of mice with different fur colors and observe the phenotypic ratios in the resulting offspring. The goal of this activity is to demystify the science behind Punnett Squares and encourage students to explore data and statistical representations in genetics and heredity.