In this geometry instructional activity, students determine which shapes have more or less vertices, faces or sides. A reference web site is given for additional activities.

Students explore the concept of adding and subtracting using positive and negative numbers. In this addition and subtraction of signed numbers activity, students use pennies to represent positive and negative numbers. Students deposit...

In this shapes and vertices worksheet, students determine shapes that have more or less vertices and name shapes. A reference web site is given for additional activities.

Learners stride the straights and walk the curves on a track in order to improve physical fitness. They work on varied lengths for the strides and walks.

Students idenitfy that cancer is a growth of mutated cells and that cancer cells are only one type of cell that causes disease in our body. They also identify that all eukaryotic cells contain a nucleus, cytoskeleton, and a cell...

Students will locate designated URL's to learn more about cancer protective foods. They will inventory their own dietary habits and that of their family to see which of these foods they have eaten and which are regular parts of their diet.

Students experiment with water density, temperature and salinity. In this water lesson plan, students observe how the coldest water sinks to the bottom of a test tube, and how saltwater sinks in comparison to freshwater.

Students investigate the environments of the Aral and Salton Seas. They use images taken from the space shuttle, the U2 spy planes, and remote sensing satellites to learn more about what is happening in each region. Students discuss the...

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.

Students explore how weather affects a variety of jobs. Through a series of activity sheets, they determine what occupations create more or less activity because of weather conditions.

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.

Students measure frictional force existing between a moving cup and the surface it slides on. They conduct the experiment and answer discussion questions.

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.

Second graders have fun predicting the relative sizes of answers to addition and subtraction problems using their animal friends. When the lesson is finished, give each student two cookies for a job well done.

Learners discuss which foods they like to "pig out on" and how they feel after they indulge themselves. They explore the idea of eating foods in moderation instead of binge eating.

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.