Or call it a Nanorover and make it with these directions . When the storm is over, bring the container in and use a ruler to measure how deep the water is inside. You are probably doing this already so here are our best pages for more ideas of science things to do on the Internet, our Past Activities , our Unit Resources , and our Elementary Science Links pages. Kitchen Chemistry Go to our page on fun things to make from kitchen chemicals . For some ideas, visit Paper Airplanes, Quick and Simple for a basic design, and Paper Airplanes for additional resources.
Secret Writing Write a message on paper with lemon juice or milk.
Let it dry and it disappears. Tell a friend and exchange secret messages. See our Invisible Writing page for more invisible ink ideas. See if you can find out. For other science activities, visit our Past Activities of the Month .