Learn the ins and outs of the properties of water through an engaging slide show. The lesson presents different facts about water including phase change, heat of fusion, heat of vaporization, and specific heat among others. 

Build on your classes' understanding of irrational numbers by comparing their values. The 13th lesson in the 25-part module has individuals estimate values of both perfect and non-perfect roots. They finish by graphing these numbers on a...

Build on your class' understanding of real numbers as they begin working with complex numbers. Pupils begin with an exploration of i and the patterns in the powers of i. After developing a definition for i, they...

A short, engaging video provides a critique of the hyper-consumerist mentality that many think have taken over the Western world. After watching the video, pupils reflect on their own habits and use evidence...

As part of a study of the history of the Chumash on California's Channel Island chain, class members view the documentary Once Upon a Time, respond to discussion questions, and create a timeline for the different waves of migration.

Investigate the relationship between temperature and pressure. Learners change the pressure of a sample of air and monitor its temperature. They learn that as air decreases its pressure, its thermal energy converts to kinetic energy.

The dynamics of a city can have a drastic effect on the weather. A hands-on lesson asks learners to build a model to illustrate how city pollution provides a nucleus for condensation. The greater the pollution, the greater chance for...

All sources are pretty much the same, right? If this is how your class views the sources they use for writing or research projects, present them with a media literacy lesson on smart source evaluation. Groups examine several articles,...

Join Congress as they assess their economic abilities for spending—and as they discover their limits. High schoolers use an educational resource to explore Congress's economic powers and learn to apply these concepts to their everyday...

Abraham Lincoln is responsible for uniting the states during the most tumultuous periods in American history, and for his elegant oratory that kept the Union believing in its cause. Young histoians analyze various speeches by America's...

What was life like during the Victorian era? Images of crowded factories and lavish palaces may come to mind—and both would be accurate. Learn more about Britain during the 64-year reign of Queen Victoria with a series of informational...

Pupils investigate American slavery from colonial times through the Civil War. They incorporate primary sources, video clips, and firsthand accounts to understand how the slavery issue gripped the nation. Essays, presentations, and...

Are the young leaders of tomorrow sitting in your classroom right now? Polish their skills to perfection using a series of teen leadership activities. Each lesson promotes both personal growth and team building, while helping scholars...

And round and round the park we go! Given a description of an amusement park with the locations of three attractions connected by walkways, learners consider what happens when additional attractions join the mix by doubling the length of...

The past, the present, and the future ... there's so much to discover about the galaxy. Scholars learn about the creation of the universe, its current structure, and how it is changing. The PowerPoint presentation begins with a...

Who decides someone is not a real person? Scholars investigate the Dred Scott v. Sandford court case which deals directly with slavery and citizenship. After viewing a short video clip, classmates work in pairs to assess and discuss the...

Does lowering the corporate tax rate help create jobs in the United States? Learners explore the top pro and con arguments and quotes relating to the issue. They read background information about the creation of the federal corporate...

How did the Temple of Isis change throughout history? The resource discusses how architecture changed purposes over the time periods of the Pharaonic Era and the Greco-Roman Era. It gives a glimpse into what life was like and provides...

Should immigrants who illegally reside in the United States be eligible for citizenship? With information about undocumented immigrant population estimates, sanctuary cities, and unaccompanied immigrant children, pupils consider the pros...

According to some estimates, there are more guns than people in the United States. Learners decide if America should enact more gun control laws. They analyze information about gun deaths in the United States by year, read about the...

Develop an understanding of the universe. Learners answer 10 multiple choice questions about several topics in astronomy. Questions contain information about the age of the universe, gravitational attraction, galaxies, planets and comets...

How did the beginnings of genetic research influence the Nazi party? A thorough, engaging unit incorporates the work of Gregor Mendel, the study of inherited traits, and the use of racism and discrimination during the Holocaust.

Do you think you know better? Become a scientist and prove it. Scholars review the evidence for two different theories of the origins of the universe. They notice the empirical observations as well as the inferences to determine which is...

For this online interactive English vocabulary skills worksheet, students answer 10 matching questions which require them to fill in the blanks in 10 sentences. Students may submit their answers to be scored.