San Francisco Public Utilities Commission
What is Groundwater? Our Underground Water Supply
Learn about the consequences of groundwater with a lesson about the different ways California handles water conservation and pollution. After reading a passage about the water table, learners apply what they have read to six...
Columbus City Schools
ABC: Acid Base Chemistry
Bubble, bubble, boil and trouble! What causes common substances like baking soda and vinegar to react the way they do? Welcome your junior chemists to the wonders of acid-base chemistry using a comprehensive and fun resource. Engage them...
Cal Recycle
Conserving Natural Resources
Trying to plan an engaging elementary science unit on natural resources? Conserve your energy! This five-part series of lessons and hands-on activities has exactly what you need to teach young scholars about the importance of conservation.
K12 Reader
Taking Care of Earth
Provide a brief introduction to ecology and conservation with a reading passage. Learners can read the text, answer the five related questions that are included on the page, and discuss the reading.
College Board
2004 AP® Environmental Science Free-Response Questions
Radioactive isotopes have a wealth of uses, but their waste may cause some concern. One of four free-response questions challenges learners to devise a waste removal strategy for medical radioactive substances. Other questions address...
CK-12 Foundation
CK-12 Earth Science Concepts for Middle School
Explore a variety of science concepts in an interactive textbook created for middle school scholars. A lengthy table of contents takes readers to pages comprised of a subject overview, outline, and summary. Follow links further to find...
Curated OER
Hoot: Vocabulary: Magic Squares
Define words with numbers in a fun vocabulary activity. Using words from Hoot by Carl Hiaasen, learners use a grid to match words and their definitions, and to find the magic number that is the same when the numbers are added from all...