Most people realize they would weigh less if they were on the moon, but does it change how much weight you could lift if you were on the moon? Scholars adjust the mass of an object to be lifted and select between four different...

How does a scuba diver control whether they sink or float? Scholars observe the relationship between absolute pressure and depth below the surface in an undersea simulation. They control the diver size and depth to center of mass to...

We hear a lot about the importance of the rule of law, but most people do not really know what those words mean. The lesson is a webpage that defines the rule of law, explains why it is important in a democratic society and provides...

A dozen years after a great plague wipes out the majority of Earth's civilization, a group of scientists joins together to fight infectious diseases. Scholars join the training mission and learn about viruses, bacteria, pathogens and...

Proving microscopic structures exist is a difficult task. Learn how scientists did just that in the mid-1800s as they set out to identify the cellular structures related to genetics. The online lesson explains the collection of work that...

The news often refers to a team of experts handling situations and outbreaks of illnesses. Young scientists learn about such a team as they train to prevent infectious disease outbreaks  Scholars meet three experts, learn about...

Did you know it's possible to train your brain to work better? Learners use brain games to try to do just that. The games test vision and memory and give them the opportunity to improve their scores. The lesson works as an in-class...

Training for battle is really a set of sequences, just like computer science. Scholars program a code that guides Diana from Wonder Woman through a path that avoids her enemies. They learn about how sequences play a role in computer...

In this online quiz worksheet, students answer a set of trivia questions about the movements of the Lipizzaner Stallions. Page has a link to submit answers for review.

In this elephants interactive worksheet, students read short passages of information about elephants before answering 10 multiple choice questions. They check their answers and start again if needed.

In this global warming quiz worksheet, students compete a set of 12 multiple choice questions. Page contains a links to answers and additional activities.

In this online quiz worksheet, learners answer a set of questions about the Border Collie. Answers may be submitted for review by clicking a link at the bottom of the page.

For this online quiz worksheet, students answer a set of trivia questions about buying and selling horses terminology. Page has a link to submit answers for review.

In this online quiz instructional activity, students answer a set of questions about the German Shepherd. Answers may be submitted for review by clicking a link at the bottom of the page.

In this online quiz worksheet, students answer a set of trivia questions about horse terminology. Page has a link to submit answers for review.

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 energy worksheet, students read articles on the internet about energy and answer short answer questions. Students answer 10 questions total.

When are titles underlined, italicized, or placed in quotation marks? Take your class to the computer lab to give them some independent practice. Here they read through the information, examples, and explanations provided. They then...

For this government spending - earmarks worksheet, students research this topic (there are many links listed), examine the issue, write a letter to their congressional representative or a local newspaper, make a video or...

In this ESL reading comprehension worksheet, students read job advertisements and complete associated comprehension questions, 6 total.

For this online interactive world history worksheet, learners answer 22 matching questions regarding the Enlightenment. Students may submit their answers to be scored.

How fast can you lay the tracks to pick up all the dinosaurs? Help Mr. Conductor stay on schedule by building track from station to station for the Dinosaur Train and the Rocket Train! Pick up passengers along the way and learn about all...

A simulation of a well-known special relativity experiment of Einstein's, involving a train and a tunnel. Velocity and tunnel length can be altered to observe the effects.

Help the dinosaur eat the leaf! It's the Claw Stars vs. the Prehistoric Predators in this balancing game. Click on the correct dinosaurs to add them to the rope until the weight of your team equals the weight of the other team.