Constellation art with rocks and sidewalk chalk. paint the rocks with glow-in-the-dark paint! Summer night star party anyone? Make constellation flash cards, one student draws card and makes constellation, others guess constellation.
Possible school experiment to show importance of wetlands/riparian zones! This shows the importance of plants in our soil. Plants like trees and grasses help purify ground water. Without them the ground water gets polluted and harder to clean and drink.