Surface area certainly surfaces as a variable for chemical reaction rates. Scholars perform an experiment to discover how the size of catalysts affect the rate of a chemical reaction. They record their results in tables and graphs to...

Just because we can't see it doesn't mean it isn't there! A growing concern for environmental scientists is toxic nanoparticles in our air and water. Young scholars conduct an experiment to demonstrate how these particles can cross our...

Silver: more than jewelry, it's also a natural antimicrobial agent. An inquiry-based lesson asks collaborative groups to design and implement an experiment to test this property. Using samples of silver nanoparticles and a strain of...

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...

Microchips are a man-made wonder. Investigate the manufacturing wonder with a hands-on inquiry-based lesson. Scholars simulate the process of pattern transfer using photoresist. Their conclusion identifies how their process replicates...

What does size have to do with it? Learners analyze different mixtures, both homogeneous and heterogeneous, to discover the properties related to the size of their particles. The activity connects these properties to those of...

The incredibly shrinking meter—decimeters to centimeters, to millimeters, and now to nanometers! Learners may have a difficult time visualizing particles on a nanoscale. Help them see a little clearer using a well-designed lesson...

Chart your way to an understanding of nanoscale. Using a Google map, learners estimate a radius around their location of 1,000 and 1,000,000 meters. Predicting what 1,000,000,000 meters would look like takes them off the charts!...

Don't let your eyes play tricks on you ... use scale to keep your eyes in check! Young scholars observe images without scale and try to identify the structure. Then, they look at the same image with a scale bar and assess whether their...

Can your classes solve the problem of the smelly sweat sock? Young scientists complete a lab investigation that begins by using electrochemistry to generate colloidal silver. They use their solutions to test the rate of microbial growth...

Capillary action is the frugal chemist's dream ... the less liquid used, the more tests they can run! Learners experiment with the best design to maximize the benefits of capillary action. Using a liquid sample, they design a capillary...

Ride the wave to an understanding of refraction! The first in a series of two inquiry-based lessons challenges learners to create transverse waves with two different types of springs. As their wave hits an object, they observe the change...

Create a coat of armor for dinosaur volunteers. Young scientists explore the oxidation-reduction reaction facilitated by electric current. The result of the reaction is a dinosaur coated in copper and zinc, which leads to an...

Build teamwork skills while building a bridge. Scholars work together in groups to create a bridge out of 20 straws and tape. There is a minimum span length of 25 centimeters, but otherwise, let creativity run wild.

Nanoparticles have toxic effects on plant and animal life—even though you can't see them. The second lesson of a two-part series has young scientists conduct an experiment that exposes plant and animals to nanoparticle pollutants. They...

America has dealt with its fair share of hardships in contemporary history. The resource discusses the events of the Gulf War, September 11th, the Afghanistan War, and The Iraq War. Scholars click on artifacts to learn more information,...

George Orwell's Nineteen Eighty-Four, published in 1949, can seem strangely prophetic when compared to modern news events and politics. Readers of Orwell's dystopian classic sharpen their critical thinking skills by engaging in...

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...

Did you know that mastaba means bench in Arabic? Learn why a mastaba was so important to ancient Egyptian architecture. Middle and high schoolers alike stay entertained while reading a passage that describes the virtual tour of...

Napoleon Bonaparte may have only held onto French leadership for a short period of time, but his legacy looms large throughout European history. An informative slideshow teaches history students about the age of Napoleon, the unification...

Did you know horsepower is actually based on the power of a horse? 60 horse power is the equivalent of being pulled by a team of 60 horses! Viewers will learn other interesting facts like this from a presentation that begins with the...

In 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.

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

Students explore the impact of technology around the world. In this globalization lesson, students read the noted articles about the effects of technology on day-to-day activities. Students then participate in a classroom discussion of...