We can see the result of electricity  but not the process itself. The simulation compares electric circuits to a water tower and water wheel cycle. Young scientists adjust the height of the tower, the amount of resistance, and if...

In this idioms online worksheet, students use drop down menus add the correct word to 10 idioms. They submit their answers using the "Done" button.

For this Gold Rush worksheet, students answer multiple choice questions about the Gold Rush. Students answer 20 questions total.

in this present tense verbs worksheet, students choose the correct present tense verb from the highlighted words. Students complete 9 problems.

Use this site to learn about the fascinating Qanats - a water irrigation system used long ago. Follow the prompts to get to more information about this interesting system.