Kids prefer candy over fried green spinach. King Philip can order five good soups. Mnemonic devices are very helpful for remembering taxonomy. The second lesson in a 10-part series teaches scholars about kingdom, phylum, class, and...

Spine or no spine? Vertebrate or invertebrate? Learners sort and classify a list of animals as vertebrates or invertebrates into a graphic organizer.

Ecosystems provide many things humans not only use but also need in order to survive. The last lesson in the series of seven introduces scholars to the idea of ecosystem services, that ecosystems provide humans with many things we need....

There is a law in Haiti that makes it a crime to turn someone into a zombie. But is such a thing even possible? Scholars see examples of zombie-like organisms found here on Earth with a video that explores numerous examples, from the...

A pool of brine in the deep sea can be up to four times as salty as the surrounding sea water. The deep sea ecosystem relies on chemosynthesis and the organisms that live there are often strange to us. The instructional activity focuses...

Help your class make a connection between salt water and nanoscience. In the introductory lesson of a seven-part unit, the class explores why salt water helps a sore throat feel better. Pupils conduct preliminary research about the...

Where do we put the organisms that don't fit in the other eukarya groups? We call them protists. A video explains why there is so much variety within the kingdom and the few things they do have in common with each other. 

Introduce the macromolecules that make up living organisms. An instructive explains functional groups, dehydration and hydrolysis, and the four types of macromolecules. Video is the seventh in a series of 10.

Looking for a valuable resource on the spread of infectious diseases? Here is a lesson in which pupils simulate the spread of diseases and learn about how to prevent them from spreading. Class members read case studies about diseases,...

Meet Caulerpa taxifolia, believed to be the largest single-celled organism in the world. How does it work and where is it found? Learn all about this invasive algae and why it is so successful.

Meet cyanobacteria, the single-celled organism that changed the world by causing the first mass extinction of life forms, gave rise to oxygen breathing life forms, and was responsible for the first Ice Age.

What do matryoshka dolls have to do with the organization of life? Young scientists learn about the levels of organization of life in the last installment of a five-part video series. The video covers the cellular, organismal, and...

It might look like he's doing nothing, but at the cellular level, he's quite busy. A video provides an overview of the many different biological levels. Using two different graphic organizers and many cartoon drawings to hold the...

How does one organism get its energy? What is the main source of energy in an ecosystem? How does the flow of energy affect different types of ecosystems? Answer these questions with a fill-in-the-blank worksheet. 

Will this water source support life? Small groups test the chemistry of the water drawn from two different sources. They then compare the collected data to acceptable levels to draw conclusions about the health of the source. The...

What kind of experiment can your class do to how observe the environment effects on organisms? Groups design and conduct lab experiments to learn about the effects of the environment on aquatic organisms. Based upon knowledge gained from...

What kind of organisms are living in the stream? After an explanation on how to use a dichotomous key, groups of three to four use the keys to identify macroinvertebrates from a local freshwater stream. Using the the concept of Stream...

Does your class get confused when discussing osmosis and tonicity? Explore the relationship between osmosis and tonicity to further differentiate between the two processes. The lesson concludes with a class-led discussion about the topic.

Provide your class with a simple explanation of channel protein movement. Pupils view a short video segment and explore how channel proteins move ions across a plasma membrane. They conclude the lesson with a short discussion of cell...

What is the difference between plant and animal cells? Explore their details as your class views the short video segment. They compare the features of plant and animal cells including the nucleus, nucleolus, endoplasmic reticulum, Golgi...

Who knew plants could be so competitive? Join your class as they observe plants competing for space and nutrients. Middle and high schoolers describe possible effects of introducing a new species into an already established ecosystem,...

How diverse is the world we live in compared to the way things used to be? Young biologists explore diverse organisms and relate the structure of each organism to its ability to survive in our current environmental conditions....

Most of the water on Earth is found in our oceans; however, humans cannot survive on salt water. Instead, we need freshwater. So, what is freshwater and where does it come from? This is the focus of a video that discusses the differences...

What happens to all the waste created in nature? This is the focus of a video that explains how decomposers break down waste to be used as nutrients and turned into energy for other living organisms.