During this lesson, students will practice observing, question writing, and answer generating based on taking part in experiments. Students will work with different substances to observe changes in liquids, solids, and gases.

Our pipes leak, air drafts push through our windows and walls, light bulbs create more heat than light, and every appliance we have stays plugged in all day long. Of course its our parents who pay the bills, so it doesn't matter. This is...