Students become more environmentally conscious. They see that it may be too late to "save" the Aral Sea, but there is still hope to prevent the ecological collapse of the Salton Sea.

Learners investigate what happens to solids and liquids when they change from one form to another. The amount od space taken by frozen water begins the discussion and students are led to formulate their own hypothesis to research.

Learners examine the structure and functions of DNA. They discover the effects radon has on one's DNA and how it leads to cancer. They discuss why DNA is so important to us.

Second graders investigate the agriculture of rice by reading a study guide.  In this food making instructional activity, 2nd graders read about the irrigation of rice fields used for harvesting.  Students write three sentences...

Students explain the consequences of hunger and malnutrition, to know that we need many different foods and to know who is hungry and malnourished in the world.

Pupils review the 2 Finger Rule for selecting an appropriate book and then check out a book they can read. They practice cross checking to make sure they understand what they are reading and then read quietly in a comfortable spot for a...

Fourth graders explore situations and weigh the risks and consequences in each decision. After reading given narratives, 4th graders analyze the test to determine the cause and effect of various events. They determine if the risk was...

Students explore photos they find desirable. They read the section of the book, How to Take Great Photographs With Any Camera, by Jerry Hughes, on Composition. They discuss, the Rule of Thirds, Hot Spots, Framing, and Cropping.

Students determine reasons for market failure while examining clear definitions for government failure, rent seeking, and log rolling. They gain an idea of how governments can solve the problems they face in correcting these failures.

Students research world religions and their customs online, and create group oral presentation of at least 20 minutes in length, including visuals, and quoting relevant material with its source(s).

In this states and territories worksheet, students fill in blanks in sentences, using given vocabulary words at the top of the page. A reference web site is given for additional activities.

Students explain what factors determine density. In this physics lesson, students hypothesize which objects are less dense. They cite the importance of density in everyday life.

Students use different parachute activities to study weather and land patterns and formations. Tornados and hurricanes can be discussed as students make large waves (move from very high to very low) that mimmick these two weather...

Learners explain the consequences of hunger and malnutrition, to know the magnitude of hunger in the world today and to know who is hungry and malnourished in the world.

Third graders complete activities and worksheets to explore the Food Guide Pyramid and Dietary Guidelines .

Students practice 'Could I + inf' and 'Could you + inf' as polite requests.