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...
American Chemical Society
Middle School Chemistry: P H and Color Change
Students see a demonstration of a color change using universal pH indicator and then change the concentrations of an acid and a base using a universal indicator to test the pH of the resulting solutions. Through an animation, they see...
Sophia Learning
Sophia: Bill Nye Demonstration: Chemistry of Color
Ever wonder why some colors dissolve in water and others don't? Watch this video to learn why. [2:16]
American Chemical Society
Middle School Chemistry: P H and Color Change
Learn about color change and pH as it relates to chemical changes.
Museum of Science
Museum of Science and Industry: Online Science: Color Changing Carnations
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.
American Chemical Society
Inquiry in Action: Using Color to See How Liquids Combine
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.
Children's Museum
The Children's Museum of Indianapolis: Color Changing Milk
Learners observe a molecular dance of bursting colors through exploring states of matter and learning that materials can be characterize by how they respond to water.
NASA
Nasa: What Is Ocean Color?
This site from NASA explains the meaning behind the different colors of the oceans. Gives information as to the role of phytoplankton in the color of the oceans and affects of the carbon cycle on the oceans.
American Chemical Society
American Chemical Society: Best of Wonder Science: Ice of a Different Color [Pdf]
An experiment to test what happens to water when salt or sugar is added and it is then frozen into ice cubes. Students also explore the ice's physical properties by rubbing cubes on sandpaper and dropping a heavy object on each type.
Frostburg State University
General Chemistry Online: Water to Wine
The molecular basis of indicator color changes. Includes Chime structures for the acid and base forms of phenolphthalein, methyl orange, red cabbage indicator, and cyanidin diglucoside.
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")...
Science Made Simple
Science Made Simple: Why Leaves Change Color
This is a site that offers answers to some often hard to answer questions such as why do leaves change colors. Provides an easy to understand answer to the question along with a section that students can read on their own, a puzzle,...
Roy the Zebra
Roy the Zebra: Reading Games: High Frequency Words: Tom's Color Game
Help Tom the zebra get ready for bed in this interactive game. Drag each color word next to the box with the matching color and give Tom one item he needs for bedtime. After giving him socks, a blanket, hay, and a glass of water, watch...
Science Bob Pflugfelder
Science Bob: Add Color to Flowers Using Science
Use this experiment to discover how to make colored flowers using common supplies with details on why it works.
American Chemical Society
Middle School Chemistry: Carbon Dioxide Can Make a Solution Acidic
Students explain that carbon dioxide from any source reacts chemically with water to form carbonic acid. They will also be able to use the color changes of universal indicator to monitor the changing pH of a solution during a chemical...
Science Education Resource Center at Carleton College
Serc: Lab 7: Nitrates and Phosphates and Algae, Oh My!
A lab experiment, in a series of experiments, that investigates fisheries. In this lab, students test the effects of fertilizers and other pollutants on a model ecosystem. Students also examine 2 years of ocean color (chlorophyll...
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.
ArtsNow
Arts Now Learning: Monet's Magic [Pdf]
In this lesson, 4th graders will learn about the impressionistic painter, Claude Monet. Students will learn how to paint fuzzy (up and down strokes) while mixing tints, creating the illusion of water. They will also learn to do color...
NASA
Nasa: Dynamic Ocean Topography With Current Arrows
Color-coded image of ocean currents depicts directional flow and speed of the currents across the globe.
PBS
Pbs Teachers: Paper Towel Chromatography Experiment
Observe the separation of colors derived from black marker ink by wicking water through a marker line on a paper towel.
BioEd Online
Bio Ed Online: Rainbow in the Room
Students investigate the properties of visible light and the sequence of colors in the spectrum using light shone through water and prisms. The lesson and accompanying slideshow can both be downloaded.
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.
NASA
Nasa: Earth Science Games
Have fun while exploring earth science. NASA offers seven games online games: Droplet and the Water Cycle, What on Earth?, Word Puzzles, Drag 'n Drop Puzzles, Pangaea Map Game, Tectonics Quiz, and Color Me!
Enchanted Learning
Enchanted Learning: Pond Life Animal Printouts
Filled with printable pages of both plant and animal pond life, Enchanted Learning features fact sheets with color pictures.
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