Activity
PBS

Pbs Kids: Colored Water Convection

For Students 3rd - 8th
This PBS site allows users to learn more about water convection as they discover how to demonstrate the way convection currents form. A fun science project!
Interactive
Other

Project Wet: Discover Water

For Students 3rd - 5th
Interactive opportunities which emphasize the impact water has on our lives. Explore watersheds, ocean water, fresh water sources, and ways to use water responsibly by engaging in activities, coloring pages, and short quizzes.
Lesson Plan
Science Education Resource Center at Carleton College

Serc: Mn Step: Sinking and Floating Water

For Teachers 3rd - 5th
An experiment in density where colored water, both hot and cold, are poured into containers of water at room temperature. Young scholars will observe that the warm water rises and the cold water sinks due to their different densities.
Activity
TeachEngineering

Teach Engineering: Dna Forensics and Color Pigments

For Teachers 9th - 10th
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")...
Activity
American Chemical Society

Inquiry in Action: Using Color to See How Liquids Combine

For Teachers 9th - 10th
An activity where students use the characteristics of liquids when they combine with water to tell the differences between them. Activity includes both student and teacher instructions.
Website
Other

Grace Communications Foundation: Water Program

For Students Pre-K - 1st
Tools and information focusing on water conservation and actions people can take to reduce their "water footprint" in daily life. Proves a "water footprint" calculator, tips for saving water around the house, and a collection of...
Activity
Museum of Science

Museum of Science and Industry: Online Science: Color Changing Carnations

For Students Pre-K - 1st
A popular plant experiment where food coloring is added to the water that flowers sit in, to see how this affects the color of the flowers. It demonstrates how water travels through the xylem of a flower stem.
Interactive
Other

St. Johns River Water Management District: Raleigh's Den

For Students 2nd - 5th
Enter the world of the river otter and learn about conservation efforts at Florida's St. Johns River system. Meet Raleigh Otter and learn about his habitat and daily activities. Includes facts about otters and links to coloring pages and...
Activity
TeachEngineering

Teach Engineering: What's Down the Well?

For Teachers 3rd - 8th
This activity looks at physical models of groundwater and how environmental engineers determine possible sites for drinking water wells. During this activity, students will create their own groundwater well model using a coffee can and...
Activity
Center of Science and Industry

Cosi Columbus: Coffee Filter Rainbows

For Students 3rd - 8th
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.
Activity
TeachEngineering

Teach Engineering: Chromatography Lab

For Teachers 7th - 9th
To increase students' awareness of possible invisible pollutants in drinking water sources, students perform an exciting lab requiring them to think about how solutions and mixtures exist even in unsuspecting places such as ink. They use...
Lesson Plan
Science Education Resource Center at Carleton College

Serc: Investigating Chromatography: Separating Pigments

For Teachers K - 1st
In this chromatography experiment, learners will investigate pigments used to create a black, water soluble marker. An extension can be done using primary and secondary colored water soluble markers as well as spinach leaves.
Activity
PBS

Pbs Teachers: Paper Towel Chromatography Experiment

For Students Pre-K - 1st
Observe the separation of colors derived from black marker ink by wicking water through a marker line on a paper towel.
Unit Plan
TeachEngineering

Teach Engineering: Engineering for the Earth

For Teachers 3rd - 5th
Young students are introduced to the complex systems of the Earth through numerous lessons on its natural resources, processes, weather, climate and landforms. Key earth science topics include rocks, soils and minerals, water and natural...
Website
Other

Ocean Park Hong Kong

For Students 9th - 10th
This site offers a description of this seaworld-like park. It is a very colorful and informative site with a lot of information about the park. Follow the 'Education' link at the bottom to access the section with learning activities.
Article
Other

Top End Sports: Hydration for Athletes

For Students 9th - 10th
Find brief articles that will teach you about the importance of hydration and how to stay hydrated during sports and physical activity. Learn about choosing drinks, drinking enough water, and checking yourself for hydration and...
Website
Other

K 3 Learning pages.com: Earth Day Links

For Teachers Pre-K - 1st
How can you celebrate Earth Day in your classroom? This collection features several downloadable Earth Day worksheets including word searches and coloring pages. Students and teachers can plan the perfect way to recognize the environment.
Website
Enchanted Learning

Enchanted Learning: Pond Life Animal Printouts

For Students Pre-K - 1st
Filled with printable pages of both plant and animal pond life, Enchanted Learning features fact sheets with color pictures.
Activity
Other

60 Second Science: Rolling Down Ramps Experiment

For Teachers Pre-K - 1st
Explore the characteristics of inclined planes while observing how drops of colored water flow down a ramp and on different surfaces.
Activity
Optical Society

Optical Society of America: Optics for Kids: Release the Rainbow

For Students 3rd - 5th
A simple activity to demonstrate how light separates into colors when it passes through water acting as a prism.
Activity
Optical Society

Optical Society of America: Optics for Kids: Black Is Black or Is It?

For Students Pre-K - 1st
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.
Activity
American Chemical Society

Inquiry in Action: Changing the Density of a Liquid: Heating and Cooling

For Teachers 9th - 10th
In this activity, students will investigate whether the temperature of water affects its density. Students will place colored hot and cold water in a cup of room-temperature water to see that cold water sinks while hot water floats. Then...
Activity
TeachEngineering

Teach Engineering: One World Ocean

For Teachers 3rd - 5th
In this activity, students learn about ocean currents and the difference between salt and fresh water. They use colored ice cubes to see how cold and warm water mix and how this mixing causes currents. Also, students learn how surface...
Activity
American Chemical Society

Inquiry in Action: Matter on the Move

For Teachers 9th - 10th
A lab demonstration for students to see that food coloring moves faster in hot water versus cold water. Lab activity includes student and teacher information.