Curated OER
Colored Clouds
Fourth graders, in groups, examine how particles in warm water move faster than particles in cold water.
Science Education Resource Center at Carleton College
Serc: Plant Science Inquiry: From Seed to Flower
After planting three flower seeds (same variety), students will observe changes and note details about how they grow by keeping a log book to record these changes over a period of 8-10 weeks.
PBS
Pbs Teachers: Scientific American: The Frontiers Decade: Environment Decade
Investigate man's impact on the environment. Observe different species to see how sensitive they are to human presence, and record your observations in a field notes log.