Students investigate variables which may seem to affect the movement of a pendulum, or "swing."They interpret their observations and apply the scientific principles to develop explanations and solve a new problem.

Students observe a picture containing patterns of animal tracks, infer what might have happened based upon the pattern of tracks, and write a story describing what might have happened.

High schoolers identity the components of electron transport system through role play. They explain the role of intermediate energy carriers to the production of ATP molecules. They describe the relationship of electron transport system...

Young scholars explore the importance of the tropical rain forest in different cultures. Through a cooperative game, they locate countries that are known for their forest resources. Students discuss the similarities and differences of...

Young scholars, in teams of four, practice shooting free throws while mentally converting the ratio of shots made to those thrown into a percent. They chart and record the ratio, decimal and actual percentage earned after each round.

Students identify the challenges encountered by astronauts in operating a planetary rover. In this space science lesson, students create a rover using their team members. They follow a command sequence from the driver and navigate...

Third graders write a story. In this breakfast authors lesson, 3rd graders write about a breakfast food and why it is a good selection. Students may illustrate stories and share with their peers.

Students describe how igneous rocks are formed, design a classification system to group igneous rocks and develop a controlled experiment to prove that the rate of cooling affects the size of the crystals.

Young scholars create an airplane by listening to directions. They also to measure the pieces for the airplane and compare and contrast their test flights.

Students decide whether or not there is or has even been water on Mars. They analyze temperature and pressure data from the Pathfinder mission to Mars, and then they analyze images of Mars, interpreting the landforms they see and...

Learners examine the attributes of unusual plants and animals before determining how they are adapted to specific habitat. They complete an associated worksheet. They make posters with information that they find during research sessions.

Students select and research a National Forest near their local community. They read and discuss the pamphlet "A Guide To Your National Forests," view photos of national forests, conduct Internet research, and complete the student...

Second graders explore estimation and place value. In this place value lesson, 2nd graders estimate and construct numbers while working with spider activities. Students use addition and subtraction to compare estimates. Resources and...

Through the use of an interactive Web site, students explore C-14 and C-14 dating. Then students analyze an article written about the C-14 dating of the Shroud of Turin and draw conclusions.

Students take a quick examine part of the water cycle, and the combined gas laws. The lesson lead them through the conditions necessary for cloud formation and allow them to create clouds in three different hands-on activities.

Students explore the challenges astronauts face while eating in outer space. In small groups, they design and construct an original model device to assist astronauts eat in a microgravity environment.

Students design and create their own heart valves out of a variety of materials. Their heart valves are one way valves designed for water flowing through a tube representing blood moving through the heart.

Middle schoolers investigate the effect of weight on normal friction or the friction due to surface roughness. They tell about the effects of contact area that occurs as a result of molecular attraction by looking at data on line graphs.

Students examine different types of land use by humans and evaluate the ways land is used in their local community. They also consider the environmental effects of the different types of land use. Students assume the role of community...

Students observe a demonstration presented by the teacher covering different types of energy. They participate in an experiment where they study numerous physics vocabulary words and visit websites that demonstrate examples of these...

Students study the parts of the human respiratory system while examining the gas exchange that takes place in the lungs. They make a model lung. They look at how the respiratory system is affected by spaceflight.

Students perform an experiment with different types of bird eggs to determine what factors make them strong and able to stay on a cliff without rolling off.

Young scholars determine the forces necessary to move a truck on an inclined plane with weight and slope as variables. They identify the cheapest way to transport trash to local garbage disposal sites.

Students apply rules to compare and rank the hardness and softness of minerals. They perform a scratch test on four unknown mineral samples, read a bar graph that illustrates the comparative hardness and softness of four named minerals,...