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University of California, Berkeley's Lawrence Hall of Science
Explore lakes through hands-on activities
Explore freshwater ecosystems through hands-on activities. Learn about lakes and ecosystems with step-by-step guides. Conduct experiments using common materials. Track observations and compare results. Share findings with others.
Play with lyrics for children. Follow along with text display. Access instructions, creative ideas, and extra verses. Suitable for teachers, parents, and church leaders.
