In this word with 2 meanings worksheet, students fill in the blanks to 2 sentences with the same word. Students complete 10 problems.

In this Solar System activity, students are quizzed. Students answer questions about the solar system and the planets and other celestial bodies that comprise it.

In this worksheet about Big Ben, students "use their research skills" to answer 8 questions about Big Ben. Answers are provided on page 2.

This lesson introduces and explores the Pacific Ring of Fire. It is 1 of 3 in the series titled "Geology: Pacific Ring of Fire."

What would the ring of fire look like if the oceans were removed? This animation, based on data gathered during a Ring of Fire expedition reveals the numerous volcanos which make up this area.

This lesson introduces and explores the Pacific Ring of Fire. It is 2 of 3 in the series titled "Geology: Pacific Ring of Fire."

Two guys in upstate New York make their own lava in a giant cauldron. They use it to demonstrate a volcanic eruption to students and visitors and to create art. [7:54]