US Department of Agriculture
Us Department of Agriculture: Plants Interactive Id Keys
A database of information about plants across the United States and how to identify them. Covers grasses, legumes, gymnosperms, wetland monocots, and the Ericaceae flowering plants. The information is contained in downloadable zip files,...
CK-12 Foundation
Ck 12: Earth Science: Life Cycle and Classification of Stars Study Guide
[Free Registration/Login may be required to access all resource tools.] This study guide summarizes key points about types of stars and he life cycle of a star. Includes a few questions to check for understanding.
Other
Mineralogical Society of America: Collector's Corner
In-depth resource for identifying rocks. Includes an interactive rock identification key to help you figure out the name of your rock.
PBS
Pbs Teachers: Jewel of the Earth
Collect and analyze organisms and use a dichotomous key to identify and classify the organisms. Research the evolutionary history of organisms.
Woodland Park Zoo
Woodland Park Zoo: Asian Elephant
Resource feature the Asian Elephant. Provides key facts about its classification and range, life cycle, reproduction and more.
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