Delve into the past to understand the opposition to the Manhattan Project. An interesting activity is designed to be completed in pairs, groups, or individually. Scholars analyze historical documents, complete an online worksheet, and...

What makes some elements stable and others radioactive? Scholars adjust the number of protons and neutrons in an element then observe its decay. The simulation includes a graphical representation and the chemical formula, as well as...

In this online interactive English vocabulary skills activity, high schoolers 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 learning exercise, 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 history worksheet, students respond to 10 short answer and essay questions about the accomplishments of J. Robert Oppenheimer. Students may check some of their answers on the interactive worksheet.

For this online interactive grammar skills worksheet, students examine 10 sentences that are missing words and select the appropriate words to complete each of the sentences and match them to the sentences. Student answers are...

In this energy worksheet, middle schoolers read articles on the internet about energy and answer short answer questions. Students answer 10 questions total.

In this confusing words activity, learners fill in the blanks to sentences with the correct confusing words. Students complete 20 multiple choice questions total.

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.

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.

For this online interactive history worksheet, students respond to 8 short answer and essay questions about the Cold War. Students may check some of their answers on the interactive worksheet.

In this online interactive history worksheet, students respond to 11 short answer and essay questions about the achievements of John F. Kennedy. Students may check some of their answers on the interactive worksheet.

In this online interactive American history worksheet, students answer 18 fill in the blank questions regarding the Richard Nixon presidency. Students may submit their answers to be scored.

In these climate change worksheets, students read through the fourteen questions about climate change. Students select the correct answer to complete the quiz.

OLogy cards are like virtual baseball cards about all kinds of science topics. This card is about nuclear power. See if you can answer a few questions when you're done reading.

An interactive map which shows every country that has nuclear weapons, has programs to gain nuclear weapons, had nuclear weapon programs, or is suspected of having a nuclear weapon.

What happens when a nuclear reactor overheats? This video segment adapted from FRONTLINE looks at the nuclear reactor meltdown at Chernobyl, the worst accident of its kind.

This interactive explorer allows students to click on a hot spot on the image and learn more about how nuclear reactors work.

Learn about the efficient use of electric energy in Spanish. See the products and services responsible for saving energy.