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California Academy of Science
Buoyancy Bulls-Eye
Why does a seastar sink, but a jellyfish float? Through a fun investigation, learners examine the concept of buoyancy using simple household items. The challenge: create neutral buoyancy for an action figure in water. With ample...
Curated OER
An Easier Way to Count: Using Groups of 10
Students explore their counting skills. In this counting instructional activity, students group objects in sets of 10 to practice counting them. Students also practice graphing the sets of objects they count. This...