I believe in the principles of constructivist education. By constructivist education I mean that all learners construct knowledge through their experiences.
Rich experiences allow students to construct complex and accurate constructions.
Science education needs to provide students with authentic hands-on experiences that include time for students to engage in collaborative reflection about their experiences. A website which has a freeware download that has some excellent animations of the earth and the moon. Students who use its instead of it's. Failure to understand that hands-on is a hyphenated word.