Grade Level: 6-8
Test your knowledge of soil moisture and its effect on global populations. Soil moisture is the amount of water contained
Test your knowledge of soil moisture and its effect on global populations. Soil moisture is the amount of water contained
Because it recognizes the importance of U.S. coastal areas to the nation's economy, the U.S. National Ocean Service has formed a task force that is studying the trends and impacts of hurricanes on coastal regions. They have invited your students to participate.
In this activity, you will use an inexpensive spectrophotometer* to test how light at different visible wavelengths (blue, green, red) is transmitted, or absorbed, through four different colored water samples.