The breakthrough of Mendelian genetics solved many puzzles for biologists. Then, scientists decided to apply the theory to human behavior. Learn the story and struggle of finding a genetic explanation for hobbies, interests, and mental...

Take a field trip around Earth by way of satellite images. Learners watch a video lesson that describes different images taken from orbiting satellites. They then test their visual skills in a 14-question online quiz. 

In this fresh air and air pollution instructional activity, students click on the links in the questions about fresh air and air pollution to find the answers to the questions and then come back and answer the questions. Students answer...

In this energy consumption worksheet, learners use on line resources to explore the energy use by different countries around the world. Students compare the amount of light emitted by different countries and their carbon dioxide...

In this DC circuits worksheet, students are assessed given 31 schematics of DC circuits and they determine the given conditions, the parameters and an analysis of each.

In this electrical circuit quiz, learners use schematics to answer a series of 7 open-ended performance based questions to show their understanding of Thevenin's and Norton's theorem about electrical circuits. This quiz can be printed...

In this energy alternatives explorations worksheet, students explore alternative energy sources by using the linked web resources to answer 8 questions about different resources and identify the ones that would work in their community.

In this electrical activity, students answer a series of 13 open-ended questions with schematics about excessive electrical current going through conductors. This activity is printable and there are on-line answers to the questions.

In this medicine worksheet, students read the article, answer true and false questions, complete synonym matching, complete phrase matching, complete a gap fill, answer short answer questions, answer discussion questions, write, and more...

In this petroleum products worksheet, students are given the components of crude oil and they graph the various products found in a 50 gallon barrel. Students complete an activity to determine if they have collected cards that represent...

In this clean coal worksheet, students click on the links to learn more about clean coal technology and answer short answer questions about it. Students complete 12 questions total.

In this static electricity worksheet, students complete nine questions about electron charges, coulombs, potential energy, voltage and the Van de Graaf generator.

In this climate change worksheet, students answer a series of questions about climate change. Students have multiple choice options for six online quiz questions

In this online interactive English vocabulary skills worksheet, 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.

Online adventure game consisting of three consecutive episodes where you become a member of a team of scientists who investigate pain relieving drugs to see if they are safe. These virtual experiments cover concepts such as history of...