Pupils examine how they can make changes to form healthy eating habits.  In this investigative lesson students examine food guidelines and the food pyramid. 

Students discover the risks from radon. They examine a graph of what a low dose of radon will do to a human body and then discuss. They answer questions to complete the lesson.

Students examine the migration patterns of the long-nosed bat. They identify threats to the animal and the plants bats help pollinate. They participate in a game to help them with the information.

Students use information technology to conduct research. They become hurricane hunters and predict where, when, and under which conditions a hurricane will be likely to hit.

Students examine the text of the Ethics of the Fathers. They decide which characteristics would make a better friend. They evaluate the actions of others around them and write a poem with a partner about sharing.

Students examine diets from another country and compare it to the US Food Guide Pyramid. They study the effect the diet has on an individual's health.

In this ESL holiday lesson activity, students read a passage about Buy Nothing Day, then complete a variety of comprehension and vocabulary activities. 

Students keep a journal for an intire week recording their observations of the ways aircraft affect society, The students discuss their findings and categorize them into areas such as military, commercial, research, and so on.

Students examine the effects of radon on their breathing. They review the anatomy of the respiratory system before completeing this lesson. They also complete equations to show how carbon dioxide forms in their body.

Students investigate the culture of Japan and compare it to America. The main objective of the lesson is how culture is formed from what is called social norms. Students are introduced to some and define what they mean.

Third graders recognize that adults often make plans. They realize that plans help you get organized and help you do tasks. They also understand that asking questions and making decisions help us make plans.

Learners test the skin's range of sensitivity. Students complete a "Touch Areas" activity. They discuss their results with the class. Learners make conclusions about which parts of the body are most sensitive to touch.

Practice solving word problems by finding how many more (or fewer) objects there are. Numbers used are 20 or less. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice solving more word problems by finding how many more (or fewer) objects there are. Numbers used are 20 or less. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive...

Practice solving more challenging addition and subtraction word problems with "more" and "fewer". Multi-step problems are also included. Numbers used are 100 or less. Students receive immediate feedback and have the opportunity to try...

A learning module that begins with "More Facebook Friends, Fewer Real Ones, Says Corness Study" by ABC News, accompanied by guided reading questions, assessment questions, and discussion questions. The text can be printed as a PDF or...

Practice solving word problems with addition and subtraction. These questions are start unknown problems including add to and take from problems. Numbers used are 100 or less. Students receive immediate feedback and have the opportunity...

Discover how the doping of semiconductors is achieved by introducing atoms with more or fewer electrons than the parent element.

Practice solving word problems with addition and subtraction. These questions are comparison problems including difference unknown, smaller value unknown, and bigger value unknown. Numbers used are 100 or less. Students receive immediate...

Pygmy sperm whales are usually seen in small groups of six or fewer individuals, but there are few documented sightings. They tend to stay in deep water, beyond the continental shelf, and not much is known about their behavior. Learn...

Practice adding and subtracting using the number line. Numbers used are 100 or less. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Basically, the stronger your immune system the healthier you are and, as a consequence, the more protected you are from environmental factors that lead to infection and sickness. If you eat foods that are rich in the nutrients your body...

A map from 1912 of the United States, subtitled "Distribution of Population and Railways in 1850." The map is color-coded to show population densities ranging from areas with fewer than 2 inhabitants per square mile to areas of 90 or...

A map from 1912 of the United States, subtitled "Distribution of Population and Railways in 1900" showing the increase in population and expansion of the railroad network since 1850. The map is color-coded to show population densities...