Major Air Pollutants A list of pollutants, where they come from, and what their effects are.		Hard or Soft Water? Students determine the hardness of two water samples, labeled only as A and B. Assesses their...
Take a Look Back Students pretend to be a historians as they gather data about the environment over the last 25...		Materials of the Earth: Family Activity Suggest a family activity to parents that focuses on materials of the Earth and natural...
Lessons from a Lake Present a lesson that allows children to integrate biological and physical science with the...		The Earth's Resources: Vocabulary Distribute a printable set of vocabulary words related to the Earth's resources.
Our Growing Planet The unit had three main parts: human population growth over time; the impact of population...		Caring for the Earth: Family Activity Send home a printable set of activities, which include drawing a picture of the earth's...
Analyzing Air Quality An investigation of air pollution.		Explore Activity: Put Your Stamp on It Students design a postage stamp showing a natural resource.
The Ozone Show This article describes how to use a talk show as an authentic assessment at the end of an ozone...		Explore Activity: Ways We Use Wood Students draw objects made of wood.
Box Up Your Habitat The Envirobox Project involves six classes from around the U.S. sending each other a shoebox...		Explore Activity: Explore Oil and Water Students draw a picture that demonstrates what happened when they attempted to mix oil and...
Investigating Soils and Earth Systems Because soil sustains life, it offers an excellent context for exploring the interrelationships...		Explore Activity: Energy Pledge Students draw something they can do to conserve energy, then sign the paper and pledge to do...
Mud Microbiology Explore an activity that is an experiential approach through which students examine the...		Explore Activity: Experiment with Filtering Water Students try filtering dirty water through a paper filter and a rock filter, then draw pictures...
How Many Shrimp? Students estimate the size of a brine shrimp population. Assesses their understanding of the...		Explore Activity: Conserving Water Students color pictures that show water savers, and cross out pictures that show water wasters.