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This activity is about symbiotic relationships. After reading deep-sea diving log entries, learners will discuss the observations of the relationship between two kinds of organisms, hermit crabs and sea anemones. Learners will perform research to... (View More) answer a set of questions related to this relationship and consider the benefits derived to each organism. Learners will be able to define and describe symbiotic, mutualistic, commensal, and parasitic relationships between organisms. Links to log entries and background material are available. This is the second of three activities in the "Impact of Climate Change on Hawaiian Monk Seals" section of the Climate Change, Wildlife and Wildlands: A Toolkit for Formal and Informal Educators. (View Less)
This is a lesson about the shape of objects in space. Learners will observe the surface of rotating potatoes to help them understand how astronomers use variations in reflective brightness to determine the shape of asteroids.
This is an activity about the correlation between annual precipitation and plant productivity in different Earth biomes. Learners consider water evaporation, solubility and abundance relative to life on Earth and relative to finding evidence for... (View More) life on Mars. An extension activity investigates the connection between liquid water, biomes and plant productivity on Earth. This is the 1st of 5 activities in Buried Water Ice on Mars. (View Less)
Working in pairs or small groups, students use construction paper to simulate cloud cover. They estimate the percentage of cloud cover represented by torn pieces of paper on a contrasting background and assign a cloud cover classification to the... (View More) simulations created by their classmates. Students gain experience estimating cloud cover, evaluating the accuracy of estimates, and using fractions and percentages. This learning activity is from the Atmosphere chapter of the GLOBE Teacher's Guide, and is supported by the GLOBE Cloud Cover Protocol. GLOBE (Global Learning and Observation to Benefit the Environment) is a worldwide, hands-on, K-12 school-based science education program. (View Less)