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Influence of Waves, Grade 1 by Carla C. Johnson, Janet B. Walton, Erin Peters-Burton. Author Carla C. Johnson, Janet B. Walton, Erin Peters-Burton. This interdisciplinary module uses project- and problem-based learning to help young children explore cause and effect.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.