Students study food web relationships and how natural and human induced changes in the environment, Additional materials required: fresh celery, an apple, a slice of bread, dominoes, recycled milk jugs or alternative containers, and salt, Grades: 5-8
Independence of Motion, enables the Projectile Launcher to perform the classic experiment where one ball is dropped as another is projected horizontally. The balls strike the floor simultaneously. A built-in level makes leveling th
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