Curated OER
Working Worms
Students study earthworms and their role in creating healthy soil for healthy food. In this earthworms and soil lesson, students complete an jug experiment to learn about the role of earthworms and healthy soil. Students read and discuss...
Curated OER
Prairie Voices...Making a Living
Pupils explore the many ways people support themselves and their families. In this economics lesson plan, students review newspapers and compare types of jobs. Pupils create daily schedules for an adult worker and role play job interview...
Curated OER
Jell-O Optics
Students observe an activity with Jell-O to learn about optics. In this investigative lesson students fill out a handout on the activity that helps them to investigate the index of refraction and the speed of light.
Curated OER
Teaching in the Shared Way of Ghandi and Montessori
In this differentiated lesson, pupils incorporate different subjects using the Ghandi and Montessori methods instead of the traditional method used in regular schools. In math they investigate shapes, colors and sizes. In writing they...
Science Buddies
Science Buddies: Bug Vacuums: Sucking Up Biodiversity
In this science fair project you can take on the role of a wildlife biologist by examining the biodiversity of insects in your own backyard. To do this, you will follow the directions to create a homemade bug vacuum.
TED Talks
Ted: Ted Ed: Is It Possible to Create a Perfect Vacuum?
Rolf Landua and Anais Rassat explain the science behind vacuums.
Dartmouth College
Dartmouth College: Chem Lab: Vacuum Filtration
Vacuum filtration is a technique for separating a solid product from a solvent or liquid reaction mixture. This comprehensive site addresses setting up and performing vacuum filtration.
Nobel Media AB
The Nobel Prize: Vacuum Tubes
The Nobel Foundation provides a brief story about the first vacuum tubes used in early electronic devices such as radios and phonographs and even the first computers.
Other
Ced Magic: 1906 Deforest Audion Vacuum Tube
This is a one page presentation of the historical development of the audion tube. An image of DeForest's invention is included.
University of Virginia
University of Virginia: Bell Jar Demonstration
A bell jar is evacuated to show the properties of a vacuum and air pressure. Pictures and a description of how to perform the demonstration are given.
National High Magnetic Field Laboratory
Magnet Academy: William Crookes
English scientist William Crookes was very innovative in his investigations with vacuum tubes and designed a variety of different types to be used in his experimental work. Crookes tubes are glass vacuum chambers that contain a positive...
National High Magnetic Field Laboratory
Magnet Academy: Siegmund Loewe
Siegmund Loewe was a German engineer and businessman that developed vacuum tube forerunners of the modern integrated circuit. He pioneered both radio and television broadcasting, and the company he established with his brother, David...
TeachEngineering
Teach Engineering: Let's Bag It
Students observe and discuss a vacuum cleaner model of a baghouse to better understand how this pollutant recovery method functions in cleaning industrial air pollution.
Cosmos 4 kids
Cosmos4 Kids: Much Ado About Nothing
This site will explain the cold, empty space in our universe called vacuums. Site also includes a video explaining the concept.
National High Magnetic Field Laboratory
Magnet Academy: Lee De Forest
American inventor Lee De Forest was a pioneer of radio and motion pictures. He received more than 300 patents over the course of his lifetime, the most important of which was for a three-electrode vacuum tube, or triode, that he called...
National High Magnetic Field Laboratory
Magnet Academy: John Ambrose Fleming
John Ambrose Fleming was an electronics pioneer who invented the oscillation valve, or vacuum tube, a device that would help make radios, televisions, telephones and even early electronic computers possible. A brilliant innovator,...
Science Struck
Science Struck: How Does Light Travel Through Space and Other Media?
A detailed discussion of the nature of light, how it can travel through a vacuum, and how the speed of light is affected when light travels through a medium.
Teachers TryScience
Teachers Try Science: Stadium Seat Science
Try this hands-on experiment to figure out how a vacuum cleaner works. Find out about pressure by using drinking straws.
University Corporation for Atmospheric Research
Ucar: Plunger Pull
Students observe that air exerts pressure, something easy to see using air of very low pressure or a vacuum.
National Inventors Hall of Fame
National Inventors Hall of Fame: William D. Coolidge: Vacuum Tube (X Ray)
This site provides a brief biography on William D. Coolidge, inventor of the X-ray tube, also known as the "Coolidge tube."
Hunkins Experiments
Hunkin's Experiments: Potato Peel a Banana Automatically
Hunkin's Experiments is a group of simple cartoon illustrations of scientific principles. Some would work well in the classroom, but others have little value beyond entertaining students. All of the projects are easy to do. This one is a...
The National Gallery (UK)
The National Gallery: Experiment on a Bird in the Air Pump
As part of a larger exhibit on science and the history of scientific instruments, this site examines a painting by Joseph Wright and its connection to the scientific studies of the vacuum. The painting, which is accompanied by a...
National High Magnetic Field Laboratory
Magnet Academy: Audion 1906
Two years after Englishman John Ambrose Fleming invented a two-electrode vacuum tube, American inventor Lee De Forest one-upped him by developing a tube with three electrodes.
Science Buddies
Science Buddies: How Does Color Affect Heating by Absorption of Light?
Light is an example of an electromagnetic wave. Electromagnetic waves can travel through the vacuum of interstellar space. They do not depend on an external medium-unlike a mechanical wave such as a sound wave which must travel through...
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