Learn about a study in which participants discovered contaminants in their homes, and how green chemistry may provide alternatives to such everyday toxins, in this video adapted from Contaminated Without Consent.

Using the green screen video technique your classroom opens up a world of possibilities. These easy tips demonstrate how the technique can be used for student newscasts, artistic performances, even action adventure videos!

How do greenhouse gases affect the climate? Explore the atmosphere during the ice age and today. What happens when you add clouds? Change the greenhouse gas concentration and see how the temperature changes. Then compare to the effect of glass panes. Zoom in and see how light interacts with molecules. Do all atmospheric gases contribute to the greenhouse effect?

Faced with the potential of a large expense related to water quality, the Portland (Maine) Water District performed a thorough analysis of their options. Their choice came down to making an investment in conservation or concrete.

Grief at any age can be overwhelming. Use the filters on this page to narrow down our extensive library of support resources to find help.

When someone in your life has has died or has an advanced serious illness, it can feel like you're living on a carnival ride with ups and downs, twists and turns. Through this activity, explore what your grief feels like right now, and what questions they may have for what comes next. We recognize that for many people who are grieving, life can be stressful and unpredictable, and it's ok to not feel ok.

Case background and primary source documents concerning the Supreme Court case of Griswold v. Connecticut. Dealing with whether or not a citizen has a natural right to privacy, this lesson asks students to support or refute the Supreme Court's ruling in Griswold that the Constitution protects a right to privacy within marriage that includes the decision to use artificial birth control.

After researching nutrition and analyzing food advertisements, students work in cooperative groups to create their own advertisements for food products.

A rubric designed by the Grossmont Unified High School District to be used when assessing the quality of resources.

Metals are grouped according to their characteristics. This video segment uses the periodic table for an in-depth discussion.

Plant grass seed in cups with your child(ren).  Once the seeds are planted, place them near the window and watch them grow. Provide the items needed for growth and talk about what is needed.  Each day, allow children to observe and communicate any changes they see and write about it in a picture journal. 

This task adds some rigor to the activity of growing bean plants. By collecting growth data, students practice measuring and recording length measurements.

This task is designed to make students think about the meaning of the quantities presented in the context and choose which ones are appropriate for the two different constraints presented. In particular, note that the purpose of the task is to have students generate the constraint equations for each part (though the problem statements avoid using this particular terminology), and not to have students solve said equations.

In this unit, students will trace the development of sectionalism in the United States as it was driven by the growing dependence upon, and defense of, black slavery in the southern states.

This expository article, written for students in grades 4-5, explains why ice floats and how this is essential to life on earth. Modified versions are available for younger students.

This informational text discusses the unique property of ice - that it floats in liquid water. Students learn why this occurs and how ice is necessary for life in the polar regions. The text is written at a grade four through grade five reading level. This version is a full-color PDF that can be printed, cut and folded to form a book. Each book contains color photographs and illustrations.

This informational text discusses the unique property of ice - that it floats in liquid water. Students learn why this occurs. They also focus on real-world examples and how ice is necessary for life in the polar regions. The text is written at a grade four through grade five level. This is a PDF containing the informational text and a glossary.

This problem encourages children to identify and describe a pattern and to extend the pattern into a general rule. Using an applet, learners try to discover the number of garlic cloves being planted if the arrangement into various rows always finds that there is one left over. The Teachers' Notes page offers rationale, suggestions for implementation, discussion questions, and ideas for support and extension.

Open Education Week is an ideal time to hear from our community members who are leading open education initiatives on their campuses and across their states to reduce costs for students and empower faculty to enhance learning in their classrooms. We will hear from two OER librarians and a faculty member who are successfully growing awareness and adoption of open educational resources. They will share the successes and challenges of coordinating statewide efforts and influencing their colleagues to adopt OER in their courses.