High schoolers design a boat model with simplified steam engine. In this ecology instructional activity, students compare renewable and nonrenewable energy sources. They determine the efficiency of their boat model.

Students explore wants and needs. In this ecology and economics lesson plan, students listen to the story The Giving Tree by Shel Silverstein and compile a class list of what the boy got from the tree. Students categorize these items as...

Students explain why color patterns that are easy to see above water may be difficult to detect under water and experience the problems predators face when searching for camouflaged prey.

Students display an awareness of the diversity of species in the coral reef, their habitat and adaptations. They conduct research to find and then color code the locations of coral reefs around the world.

Students will recognize objects in nature that are similar in shape to the letters of the alphabet. In this digital camera lesson, students will find objects in nature that look like letters of the alphabet. They will create a poster of...