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This article describes the work being done by scientists to determine the origin of water found in Earth's oceans. A supplemental exploration of the Herschel Space Observatory is included. The article is targeted to children ages 10-12.
These short leader guides are designed for a novice user to pick up and implement the activities with ease. They address a range of topics all related to asteroids - most especially Asteroid Vesta. Activities are tagged to quickly find ones that are... (View More) active (involves movement), edible (involves food), calm (stationary) or informative (about NASA's Dawn mission and Vesta). (View Less)
This is an activity about comet composition. Learners will explore the physical characteristics of comets by reaching into a series of boxes and feeling the materials and structures within. They will describe what they observe and speculate on comet... (View More) characteristics being modeled in each box, opening the discussion about the nature of these icy bodies and begin to compare them to other members of our solar system.Note: See Related & Supplemental Resources (right side of this page) for links to assembly instructions and worksheets needed to complete this activity. (View Less)