A comprehension check uses multiple-choice and essay questions for a balanced examination concepts in both US History and government. The test covers a variety of topics, including British mercantilism, the Monroe Doctrine, and the...

Mostly what you will find here is a history of quantum mechanics. Influential scientists are introduced (along with some of their recorded quotes), the progression of atomic models is reviewed, and finally experssions and equations are...

Chromosomes contain keys to history including links from royalty to Neanderthals. Young scientists learn about Ivan Wallin's research into chromosomes with an animation and videos. Then, the concept connects to mysteries related to...

Students integrate history and science while discovering how salinity affects the density of water. After a lecture/demo, students work in groups to complete a lab activity that demonstrates how salinity affects the density of water.

The London Bridge should not have fallen down. And here's why. After a brief history of bridges and the three main types, class members are introduce to the concepts of tension and compression, the two main forces acting upon bridges. 

How does radiation affect our daily lives? Answer that question and others with a instructional activity that discusses radiation and its use in thermal energy transfer through electromagnetic waves. Pupils investigate...

Sometimes, despite the best laid plans, the unexpected will occur. Learners witness this firsthand as they carefully design an experiment to determine the time needed for ice to melt in salt water or pure water. They uncover facts not...

Give young geologists an up close and personal look at volcanoes with a series of hands-on earth science lessons. Whether they are investigating the properties of igneous rocks, building their own volcanoes, or making...

How can radioactive decay help date old objects? Learners explore half-life and radioactive decay by conducting an experiment using pennies to represent atoms. Young scientists graph data from the experiment to identify radioactive decay...

After reading and discussing a news article from the New York Times regarding gay and lesbian issues of the last thirty years, students engage in several activities to explore current events. They create a timeline, either electronically...

A wonderful lesson on the development and impact of mechanized farming! History or agriculture classes learn the historical background of the United States' food production by creating a pamphlet with information on the cause and...

In a comprehensive unit of activities, learners explore the five senses. Youngsters discover the many different body parts and their functions that allow humans to have sense of sight, touch, smell, taste, and hearing. The best way to...

Tree rings from North America give a continuous history of El Nino intensity over the last 1,100 years. Scholars learn how scientists use tree rings to create timelines demonstrating variations in weather patterns. The cumulative...

Gregor Mendel's work revolutionized agriculture from an art to a science. Explore Mendel's work with an interactive lesson that includes animations, video, and practice problems. The instruction describes the early discoveries that...

Launch a discussion of the creative process with a short video that features the daily ritual of Slobodan Dan Paich, a San Francisco artist. Slobodan models his approach to tea painting and shares his reflections on the...

What can this rock be? Pupils pretend to be paleontologists by sketching fossils and making predictions about their types. To determine whether they can identify the type of dinosaur, class members compare their observations and...

Students recognize how the climate of the Hudson Valley has changed since the last glaciation and be able to explain these changes. They reconstruct the paleoclimate of the Hudson Valley.

This resource provides two ways to engage learners in using latitude, longitude, and research skills. In pairs, or on their own, learners will locate several Antarctic regions on a map. They will write the name of the place and a few key...

Scientists use ice core samples to obtain temperatures of the earth from 400,000 years ago! The third of five lessons instructs pupils to interpret historical climate data to see changes over time. In part I, participants interpret...

This sequence of slides covers each main macromolecule that is involved with human structure and function. The history of nucleotide research and the way that they are formed is summarized, a diagram accompanies the explanation. The main...

There might not be a butcher or baker, but you'll have a class full of candlestick makers after a hands-on lesson plan about candles make from beeswax. After a brief history of where beeswax comes from, young artisans craft their own...

Imagine being stranded all alone on an island for 18 years. How would you survive? Class members are challenged to makes necessities out of natural materials that would likely be found on an island.

Fans of Sherlock Holmes may be surprised to learn that in addition to stories of the famous deductionist, Sir Arthur Conan Doyle is also the creator of Professor Challenger. An irascible, unpredictable scientist, Challenger was featured...

Keep within a water budget. Learners find out that less than 2.5% of Earth's water is available to drink—and that there is a fixed amount of water. Scholars read an interesting article comparing the available water to a game of Monopoly...