Helpful Microorganisms

How can you tell if a microorganism is helpful or detrimental to an ecosystem? Learners inspect slides or pictures of microorganisms and record their observations to identify those that are beneficial or harmful. They then pretend to...

When van Leeuwenhoek saw cells and single-celled organisms for the first time, he knew these small things were a big deal! Share his discoveries with young learners through a narrated video, model-building activity, and scale study....

Seventh graders complete two experiments to learn about harmful and helpful microorganisms. In this microorganisms lesson, 7th graders read background information about fungi, yeast, and club fungi. Students then complete two experiments...

Life science learners need to be able to use a microscope. With this comprehensive resource, they first experience how lenses and magnification work, and then get familiar with using a compound microscope. Tremendous background...

Give your environmental or life science class a splash of aquatic ecosystems information using this presentation. The ten slides introduce viewers to aquatic ecosystems and three prominent microorganisms: hydras, rotifers, and...

Young scientists enter the world of microscopic organisms with this introductory presentation on bacteria. Starting with a basic definition of these single-celled organisms, the presentation continues on to explore different types of...

Being able to absorb the abilities of other life forms may seem like something taken from a superhero movie, but sometimes reality is stranger than fiction. Join the narrator as he takes viewers back billions of years to investigate how...

Young scholars study how microorganisms can be helpful and harmful. They listen to read alouds about germs and yeast and make bread to visualize how microorganisms can be helpful. They write science journal entries.

Sixth graders observe different microorganisms under the microscope. In this biology lesson, 6th graders draw and describe the samples they see. They study the root nodules of plants and explain how the plants benefit from those bacteria.

Much the chagrin of mothers around the world, germs are everywhere; it's unavoidable. Learn how these microscopic invaders have evolved different ways of spreading from one host to another with this short instructional video.