Links for Teachers These links are set up for our Simply Science program. If you’re not teaching the program, just look for the topic you are teaching to find great resources for your science classes. Kindergarten PLANTS BUTTERFLIES FIVE SENSES ANDÂ MOVEMENT 1st Grade MATTER AND ROCKS AMPHIBIANS AND REPTILES FORCE 2nd Grade ASTRONOMY AND WEATHER BIRDS MAGNETISM 3rd GRADE STATES OF MATTER/WEATHER ARTHROPODS FORCE AND SIMPLE MACHINES 4th GRADE EARTH CHANGE MARINE MAMMALS ENERGY AND CHEMISTRY 5th GRADE ASTRONOMY AND WEATHER LAND MAMMALS FORCE