TeachEngineering
Teach Engineering: Environment
Through 10 lessons and more than 20 hands-on activities, students are introduced to the concept of an environment and the many interactions within it. As they learn about natural and human-made environments, as well as renewable and...
TeachEngineering
Teach Engineering: A Matter of Leaching
Students leach organic matter from soil to create a water sample with high dissolved organic matter content (DOM), and then make filters to see if the DOM can be removed. They experience the difficulties of removing DOM from water, and...
Utah Education Network
Uen: All Washed Up
Fourth graders create a model that effectively filters water as it passes through the groundwater system.
Center of Science and Industry
Cosi Columbus: Coffee Filter Rainbows
Science experiment that demonstrates chromotography. Includes full list of materials, procedures, and scientific explanation of what happens with different colors when they are soaked with water.
Science Education Resource Center at Carleton College
Serc: Mn Step: Watershed: Exploring Run Off and Infiltration in the Classroom
A simple experiment that demonstrates how water is absorbed into soil and filtered through it, showing how water changes things in the environment. After a class demonstration, they will themselves investigate the effects of water...
Environmental Education for Kids
Eek!: Habitats: Wetlands
Wetland ecosystems are extremely valuable to wildlife, supporting a greater number of animals than any other type of habitat. Wetlands also absorb flood waters; filter chemicals, sediments, and other impurities out of drinking water;...
TeachEngineering
Teach Engineering: Exploring Capillary Action
Students observe multiple examples of capillary action. First they observe the shape of a glass-water meniscus and explain its shape in terms of the adhesive attraction of the water to the glass. Then they study capillary tubes and...
Curated OER
Eternal Egypt: Jar Filter With a Rabbit Design
A clay jar filter decorated with the drawing of an animal that looks like a rabbit, and is notable for its long ears, which extend backwards to give the impression that the animal is in motion. The design is on the perforated portion of...
Curated OER
Eternal Egypt: Arabesque Jar Filter
This beautifully decorated jar filter with entwined, stylized foliage is executed in openwork.
Curated OER
Eternal Egypt: Jar Filter With Rhombuses
A jar filter, made of pottery, is meticulously made. It is not enameled but decorated with an incised and pierced ornament and colored yellowish green.
Discovery Education
Discovery Education: Science of Everyday Life: In the Mix [Pdf]
In this lesson plan, students use different types of filters to separate the mixture. This lab requires the students to use engineering skills to solve a real-world problem of filtering water.
A-Z Animals
A Z Animals: Animal Facts: Oyster (Ostreidae)
Provides photographs and a fact card about the oyster. Discusses where they are found, physical characteristics, the four groups of oysters, how they filter water for food using their gills, predators, reproduction, and the impact of...
CK-12 Foundation
Ck 12: Life Science: Sponges
[Free Registration/Login may be required to access all resource tools.] Sponges are classified in the phylum Porifera, from the Latin words meaning "having pores." Sponges are sessile, meaning they cannot move, so they filter water...
TED Talks
Ted: Ted Ed: How Do Your Kidneys Work?
After drinking a few glasses of water on a hot day, you might be struck with a sudden urge. Behind that feeling are two bean-shaped organs that work as fine-tuned internal sensors. This video describes how the incredible kidneys balance...
Other
Alberta Riparian Habitat Management: Protecting Shorelines & Streambanks [Pdf]
Protecting Shorelines & Streambanks - Naturally explains the critical importance of healthy shorelines for preventing soil erosion and filtering out pollutants. It looks specifically at riparian areas, such as those in Alberta, which...
TeachEngineering
Teach Engineering: Is It Safe to Drink?
In this activity, the students will conduct an investigation to purify water. Students will engineer a method for cleaning water, discover the most effective way to filter water, and practice conducting a scientific experiment.
Other
Rensselaer Polytechnic Institute: Leaching
An informative site describing the process of leaching, including links to diagrams which illustrate the process. The health risks posed by leaching are touched upon.
TeachEngineering
Teach Engineering: Dna Forensics and Color Pigments
Students perform DNA forensics using food coloring to enhance their understanding of DNA fingerprinting, restriction enzymes, genotyping and DNA gel electrophoresis. They place small drops of different food coloring ("water-based paint")...
Other
Cross Innovation Hub Hamburg: Cross Innovation Network
This platform displays cross-sectoral and cross-disciplinary innovation activities from all over Europe. Example projects include the use of algae to remove pollutants from water, harnessing thermal energy from roofs, and reusing...
Curated OER
Eternal Egypt: Mouth of a Clay Jar
The upper part of a clay jar including the handle and part of the mouth. The interesting thing about this piece is the jar filter, which separated the body from the opening. The filter is perforated in the form of a bird.
Other
Pipeline: Soil Characteristics Demystifying Dirt [Pdf]
Soil is the foundation of conventional on site wastewater treatment.The drainfields used with on site systems work because the soil around the trenches acts as a filter and removes organic matter, some of the nutrients present in...
BBC
Bbc Nature: Flamingos
Flamingos are wading birds with a very specialized diet - they filter feed, straining out tiny brine shrimps from the water with their specially evolved beaks and tongue. Did you know that it may look as if a flamingo can bend its knee...
Optical Society
Optical Society of America: Optics for Kids: Black Is Black or Is It?
An experiment with a coffee filter and a marker to see what happens when water touches a black dot, or any other color. With links to several scientific, academic articles that explain what is happening.
University of Wisconsin
The Why Files: Mosquito Bytes
A general description of the life cycle of the mosquito. Includes inforation on why they need blood and how they breed.