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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)