Begin a simple terrarium and maintain a Communities Chart to track the feeding relationships inside. Each time something is added, the impact is recorded on the increasingly complex chart.
Take two wet paper towels and enclose one. What will happen the next day? Watch as water droplets condense on the outside of a plastic cup filled with cold water.
“Mystery objects” – a brine shrimp egg and a seed that looks similar – are placed in both salt water and soil to see which thrives in each environment.
Work with models to represent the relative distance of the Moon from the Earth, then measure the angular size of the Moon with pinky fingers to check the estimate.
Draw scale models of the solar system and then go out to the playground. Establish the Sun’s position and ask students to stand where they think the planets are in relation to it.
