British Columbia Kindergarten Science Processes of Science "use the five senses to make observations" Five Senses - Touch Bags: Let children feel object with bag closed and try to guess what's inside. Good for inferring too.
how to make a solar oven from a pizza box - The tinfoil reflects the suns heat into the box lined with black paper. Apparently she has cooked cookies this way as well! Below is a tutorial for how to make a solar oven from a pizza box.
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.