Using a 2002 California Gray David recall vote as an example, young statisticians  identify sources of bias in samples and find ways of reducing and eliminating sampling bias. They consider ways to select random samples from a...

High schoolers use a variety of technology-assisted weather observation tools to observe and record local weather. They identify, measure and record weather conditions, summarize types of clouds and make graphs of their observations....

Test your pupils' understanding of the scale from macro to atomic. While displaying images of different materials, learners identify what they would need to make that material visible. Their choices range from the human eye to an...

What happens when a species becomes extinct? Sharpen your reading skills with a passage about how koalas have gotten close to being an endangered species.

At the heart of this resource is a beautifully detailed PowerPoint presentation (provided in PDF form) on the overall physical geography of Australia, basic facts about the country, Aboriginal history, and Australia culture and lifestyle.

Seventy percent of the air pollution in China is due to car exhaust. Under the umbrella of environmental chemistry, learners extensively explore air pollution. From the makeup of our atmosphere to sources of major air pollutants, classes...

Young scholars explore different types of simple machines and research the concepts of force, effort, and work. They conduct Internet research and complete a worksheet about examples of simple machines used in everyday life. Students...

In this chemical compounds worksheet, students identify the types of intermolecular forces present in the given substances, calculate the heat required to convert a liquid to gas, and explain the ideal-gas law. This worksheet has 5...

Students investigate simple machines. They calculate the work done by simple machines and compare the force or direction of force applied. They calculate mechanical advantage and efficiency of simple machines and identify compound...

Young scholars view various work-related magazine pictures, choose picture randomly from stack, pantomime worker shown in picture, and answer yes or no to questions asked by classmates as they try to identify type of worker student is...

Fifth graders explore energy transfer. In this thermal energy lesson plan, 5th graders stretch rubber bands several times and estimate the band's temperature change. Students identify this action as an example of thermal energy. Students...

Sixth graders study the characteristics of volcanoes in this unit. They apply the research to the study of three volcanoes in Japan. They complete mapwork, identify indicators of impending volcanic activity, and describe the dangers...

Why is it so important to learn the art of persuasion? Being persuasive helps you acquire the things you want or the things you feel are necessary. Print out these scenarios and assign one to each group of high schoolers. As a team, they...

Students demonstrate how energy is used to make a sound. In this sound lesson, students construct a kazoo from a comb and identify how a sound is made by using force.

High schoolers examine a variety of ethical issues that arise in criminal cases. They get into groups, and perform a case study of a real situation in which many of these ethical issues came up. All of the worksheets needed to...

Students name and broadly classify the powers and duties of each level of executive government in Australia. They identify and examine areas of overlaid and cooperation between various executive levels. Students examine the nature of...

The Crusades sounds like a glamorous time period in the Middle Ages full of glory—but was it? Scholars find and review the truth of the Crusades' influence on the world through the resource. The study guides, separated individually by...

Students investigate faults. In this science lesson, students explore the many stresses and strains in the earth's layers and research the types of faults in their state.

Young scholars, in groups, design and test a scale bridge. They use the Internet to research three basic bridge designs -- beam, arch, and suspension -- and the forces that act upon them.

Second graders experiment with simple machines. In this machine lesson, 2nd graders go to different labs to see examples of a lever, inclined plane, wedge, pulley, gears, and wheel and axle. They discuss how a machine makes work a lot...

Students experiment with buoyancy as a force. For this buoyancy lesson, students access an assigned website to examine the sailing vessels that came to the New World. They work as teams to build boats out of aluminum foil to see which...

Fourth graders explore communications by reading assigned space science text. In this satellite lesson, 4th graders identify the concept of orbiting and examine gravitational pull by viewing diagrams. Students are assessed based on...

Students explore the principles of motion by constructing a car out of pasta that will carry a large marshmallow and travel down a ramp. They discuss the formula for calculating speed, design and build their cars, and calculate their...

Students review the types of simple machines. As a class, they focus on the positives and negatives of pulleys and gears and identify what pulleys and gears change of an object. They work together to design their own object to support a...