Water filtration — that's pure genius! Groups test the ability of a water filter to purify water by running chlorine contaminated water through a filter and measuring the chlorine concentrations as they filter the water. They then graph...

What do electrical currents have to do with an MRI? Using a simple wire setup and a magnet, class members explore forces used in an MRI by investigating the magnetic force acting on a wire carrying a current. 

Use this political cartoon handout to help pupils understand the role the Blue Dog Coalition plays with regard to Health Care Reform. Football is used metaphorically to represent a player (Blue Dogs) tackling someone on his team (Obama)....

When you have to flow, you have to flow. The lesson introduces class members to microfluidic devices and their uses in medicine. They watch a short video on how the diameter affects the rate of flow. The worksheet has individuals...

How many colors do you know? The lesson teaches scholars how digital devices use binary and hexadecimal representations to store colors. They learn how millions of colors are available on these devices.

It's Valentine's Day in geometry class! Celebrate the day of love with a heart-themed activity in which young mathematicians create a cardioid on polar graph paper.

Fe, phi, fo, fum. This activity leads pairs to find the ratio of consecutive terms of the Fibonacci sequence. The pairs find that the Fibonacci sequence can be found in many places. A discussion with the class shows that the ratios...

In this glaciers activity, students use Google Earth to look for examples of different glacial landforms and phenomena. Students complete 2 short answer questions.

In this online interactive geography worksheet, students examine a map of Michigan and identify the 14 noted cities on the map using a pull down menu within 3 minutes.

In this grammar online interactive worksheet, students choose the appropriate mixed preposition from the multiple choice answers shown from the 10 drop down boxes that completes each sentence correctly. Students check their answers...

In this prepositions online interactive worksheet, learners choose the multiple choice preposition in 10 drop down boxes that completes each sentence grammatically correct. Students check their answers online when completed.

In this historical events worksheet, students analyze a political cartoon about health care and respond to 3 talking point questions

In this using articles with names of countries worksheet, students read the explanations and examples of using the with names of countries, then interactively select the correct article for 20 countries with immediate online feedback and...

In this online interactive grammar skills activity, students answer 10 multiple choice questions regarding the use of prepositions. Students may submit their answers to be scored.

For this English vocabulary skills worksheet, students respond to 9 multiple choice questions that require them to fill in the blanks in sentences with the appropriate prepositions.

In this online interactive geography quiz worksheet, students respond to 20 identification questions about the most expensive cities in the world. Students have 4 minutes to complete the quiz.

In this United Kingdom election worksheet, students research the listed Web sites regarding elections in the country and then respond to 9 multiple choice and short answer questions about the selection.

For this ESL preposition worksheet, students fill in blanks with correct prepositions, choosing from a drop-down list and checking their answer. A reference web site is given for additional activities.

In this preposition worksheet, students fill in blanks in sentences, clicking on a "check" button for immediate feedback. A reference web site is given for additional activities.