Take a Look Back Students pretend to be a historians as they gather data about the environment over the last 25...		Visibility Chart Use this chart with the Student Section of the Visibility lesson.
Our Growing Planet The unit had three main parts: human population growth over time; the impact of population...		Visibility: Student Section Children learn about the meteorological conditions necessary for fog and clouds to form. See...
Tomato Preserves In this project children plant tomatoes and save the seeds to help maintain biological...		Identifying Temperature Inversions Use this data table with the Air Quality and the Weather lesson.
School Energy Consumption: Teacher Section Try a teacher's guide that will lead you through an investigation of your school's existing...		Wind at Work Children build wind machines to learn about work, power, and energy.
School Energy Consumption: Student Section Students will investigate their school's existing energy usage, conduct an energy survey,...		Content Under Pressure An article covering several ways to learn about air pressure.
Air Quality and the Weather -- Teacher Section Try a teacher's guide that leads you through a unit that has students constructing and...		Erosion Explosion Erosion Explosion is a fun game that reinforces your students' knowledge of this area of Earth...
School Energy Survey Use this energy survey with the School Energy Consumption lesson.		Changing Land Examine the effects of wind and water erosion.
Air Quality and the Weather -- Student Section Children will construct and analyze surface temperature maps and graphs.		Reason for the Seasons -- Student Guide In this activity students try to understand why Earth has seasons.
Air Quality and the Weather -- Student Worksheet Use this worksheet with the Air Quality and the Weather lesson.		Reason for the Seasons -- Teacher's Guide In this activity students try to understand why Earth has seasons.
Visibility: Teacher Section A guide to help prepare for a lesson on the meteorological conditions necessary for fog and...		Atmosphere, Oceans, Cryosphere, and Hydrologic Cycle -- Reading 9 Use this reading reference with the Creature Feature lesson.