Middle and high schoolers study significant people who shaped the 20th-century history and are introduced to database tools. Researchers use the Internet to research five 20th century history makers. They write a short biography of five...

Scholars use the Cosmic Times and the Internet to create a timeline of events from 1916 when Einstein presented the Theory of General Relativity to 2016. Scientific discoveries are the main focus, then pupils add in events from culture,...

Watermelon is a vegetable? A tomato is a fruit? Believe it or not, this debate is decades old. Groups examine rulings by the US Supreme Court, the USDA, and state statutes before developing their own criteria to use when labeling...

Young oceanographers take a look at sea level data from several cities over a few centuries. They use the data to fuel a discussion about what kind of changes are taking place and the impact they are having on the coastal ecosystems....

Did you know that cars weren't designed for passenger safety until the 1960s? The lesson starts with a quick quiz on automobile safety. Then, scholars evaluate three cars for their safety features. This is the third in a set of nine...

The techniques of growing plant cells, tissues, and seeds are covered here. The main scientists working on theories and different developments through the decades of the 20th century have slides, and then specific details of the...

Students explore robotics. They design and draw a robot that will search for deposits of underground minerals.

Students perform a role playing exercise set in the next century after a nuclear war that destroys most of the present civilization. Groups of students act as genetic technicians making difficult choices concerning survival in this grim...

What sort of shoes do frogs wear? Open toad sandals. If your scholars want experience collecting field samples, this is the instructional activity for you. After learning the proper way to collect field samples, pupils catch amphibians...

Students explore paper rockets, learn about the Apollo Program and Apollo spin-offs, and use simple office supplies to design and create a new useful product. This amazing plan is incredibly well written and leads students through a...

There has been a huge solar energy spill! Let's go outside to play in it. This lesson includes multiple experiments showcasing solar and wind energies. Scholars build a solar heater and an anemometer before testing the results. The...

Which is worse — drought or flooding? Neither is helpful to the environment, and both are increasing due to climate change. The 16th lesson in a series of 21 covers the average precipitation trends for two different climates within the...

Young scholars discover that volcanic eruptions are geologic events that take place within the upper part and on the surface of the Earth's lithosphere. They explain how volcanoes are related to the Earth's lithosphere. They focus on the...

You've heard of farm to table ... but what about farm in classroom? Junior agriculturalists embark upon a two-week journey into the science of growing things. Based upon the classic terrarium in a two-liter experiment, the lesson goes...

Did you know that the population is expected to grow to 11 billion by 2100? The resource serves final installment in a six-part series on the global population and its effects. Scholars interpret data from the United Nations about the...

Roger Kornberg, the oldest son of two biochemists, won the 2006 Nobel Prize in Chemistry. Learn about Kornberg and his scientific research with an animation, videos, biography, and an applied problem-solving activity. A summary and...

Review the aspects of human cloning and the moral issues associated with it. Individually, your students will keep a list of the articles related to this issue and research issues related to the ethic issues people are concerned with....

Imagine a race to complete a puzzle where each person has the same 50 pieces, knows they are missing other pieces, and must figure out how everything fits together. The winner gets fame, listed in books for years to come, and a financial...

Students study the invention of the parachute and how Leonardo da Vinci came up with the design.  In this aerodynamics activity students test the properties that make parachutes more efficient.

In this population worksheet, students will determine if 12 statements about demographic trends, including the effects of birth and death rates on populations, are true or not. Then students will match 6 population growth vocabulary...

In this communities worksheet, students will look at the interactions between biotic and abiotic factors and the effect these factors have on organism populations. Students will also order the succession steps that occur over time in an...

In this hurricane worksheet, students use data charts showing the number of hurricanes and the severity of these hurricanes to determine if global warming is causing an increase in hurricanes. This worksheet has 2 short answer questions.

In this greenhouse effect worksheet, students learn about Earth's climate change by reading a 7 paragraph text. Students then answer 10 questions. This is an online interactive worksheet.

Students study how the ocean stabilizes our planet's climates and how global warming is becoming a threat to this fine balance.  In this climate change lesson, students identify that fossil fuel emissions are responsible for...