Students use their senses to describe what the weather is doing and predict what it might do next. After gaining a basic understanding of weather patterns, students act as state park engineers and design/build "backyard weather stations" to gather data to make actual weather forecasts.

Students are introduced to the concept of engineering biological organisms and studying their growth to be able to identify periods of fast and slow growth. They learn that bacteria are found everywhere, including on the surfaces of our hands. Student groups study three different conditions under which bacteria are found and compare the growth of the individual bacteria from each source. In addition to monitoring the quantity of bacteria from differ conditions, they record the growth of bacteria over time, which is an excellent tool to study binary fission and the reproduction of unicellular organisms.

In this new video we look at the basics of bacteria. We look at their classifications, sizes, shapes and how they reproduce. This video is intended to be a primer on bacteria. We will go into more details as we progress in this series.
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Yogurt is the byproduct of hungry bacteria that digest the lactose in milk. You can make more yogurt just by feeding the bacteria more milk.

In this inquiry activity, students generate investigable questions to explore the link between hygiene/cleanliness and bacteria growth/population. The students will present their conclusions, and video clips containing additional information will be discussed.

Students construct paper recombinant plasmids to simulate the methods genetic engineers use to create modified bacteria. They learn what role enzymes, DNA and genes play in the modification of organisms. For the particular model they work on, they isolate a mammal insulin gene and combine it with a bacteria's gene sequence (plasmid DNA) for production of the protein insulin.

Spreadsheets Across the Curriculum module. Students tabulate and graph data on bacteria density vs. time for a culture. Data start with innoculation and progress through the peak and decline.

The Center for Food Safety and Applied Nutrition (CFSAN) prepared this online handbook on foodborne pathogenic microorganisms (bacteria, viruses and parasites) and natural toxins. Chapters are arranged under the following headings: Pathogenic Bacteria, Enterovirulent Escherichia Coli Group, Parasitic Protozoa and Worms, Viruses, Natural Toxins, Other Pathogenic Agents, and Appendices. The intent of each chapter is to provide basic facts regarding these organisms and toxins including their characteristics, habitat or source, associated foods, infective dose, characteristic disease symptoms, complications, recent and/or major outbreaks, and any susceptible populations. The chapters also contain minimal information on the analytical methods used to detect, isolate, and/or identify the pathogens or natural toxins.

The content of both the Dutch and the English-language version of Bad News was
written by DROG (www.aboutbadnews.com), a Dutch organisation working against
the spread of disinformation, in collaboration with researchers at Cambridge
University in the United Kingdom. The visual and graphic design was done by
Gusmanson (www.gusmanson.nl).

In this experiment, two chemicals that can be found around the house will be mixed within a plastic baggie, and several chemical changes will be observed.

Create a rocket using baking soda and vinegar chemical reaction to launch it. Activity from Weekly STEM in a Bag. Colorado Americorp agents in Araphahoe, Denver, Garfield, Larimer, and Weld Counties. Work supported by the Corporation for National and Community Service under Americorps grant number 18AFHCO0010008. Opinions or points of view expressed in this lesson are those of the authors and do not necessarily represent the official position of or a position that is endorsed by the Corporation or the Americorps program. This resource is also available in Spanish in the linked file.

In this video, NOAA's Deke Arndt, Chief of the Climate Monitoring Branch at the National Climatic Data Center, recaps the temperature and precipitation data for the continental US in summer 2012. It describes how these conditions have led to drought and reduced crop yields.

This lesson is a classroom activity where students learn to use their balance knowledge to create a beautiful mobile.

This video lecture presents the basic definitions of assets, liabilities and equity with simple examples. It also explains the concept of accounting equation with examples.

Video lesson intended for grades 3-5 with a mindfulness moment, warmup, instruction and practice of basic balance and transfer of weight movements, and a sequence of two movements. Video is 15:48 minutes in length.Video created by Virginia's Chief Movement Officers cadre in collaboration with Focused Fitness, Virginia Department of Health, and Virginia Department of Education.

In this lesson students will learn that the food they are eating contain a variety of things such as nutrients, vitamins, fats, and sugars.

This lecture/activity on force will further a students' understanding of forces on an object, as well as the difference between a balanced and unbalanced forces.

Play with objects on a teeter totter to learn about balance. Test what you've learned by trying the Balance Challenge game.

This webpage from Exploratorium provides an activity that demonstrates the Bernoulli principle with readily available materials. In this activity a table tennis ball is levitated in a stream of air from a vacuum cleaner. The site provides an explanation of what happens, asks questions about the activity, and also describes applications to flight. This activity is part of Exploratorium's Science Snacks series.

How do you know if a chemical equation is balanced? What can you change to balance an equation? Play a game to test your ideas!