One of the first models of DNA appeared to be a triple helix. Young scientists learn about the many scientists who worked to find the shape of DNA. They observe multiple models, tests, and experiments to understand the conclusions. An...

Get earth science students excited about the formation of rocks with an engaging interactive resource. Learners analyze the composition of granite, then study the various processes that work together to make igneous, sedimentary, and...

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...

First-class photographs dazzle your class as they are acquainted with Earth's various landforms. To reinforce learning, they can take a multiple-choice quiz, sing along to a karaoke song, or review key vocabulary terms, all on this...

Logically speaking, here is a great resource. Young mathematicians apply an interactive to consider the converse, inverse and contrapositive statements. Eight challenge questions assess understanding of the material.

Personalized medicine prevents many trial-and-error scenarios when time counts the most. Learn how gene expression and screening genomes improves health outcomes in cancer patients, those with auto-immune disorders, and more. An online...

In 1993, Phillip Sharp and Richard Roberts won the Nobel Prize for their discovery of split gene theory. Learn about the breakthrough with the help of an online interactive. Hear both scientists explain it in their own words, watch an...

Mario Capecchi requested funding for a new procedure targeting genes and was rejected. Four years later, after he proved it worked, the NIH apologized and funded his research. Use an online interactive to learn about his research and the...

Rock out with a song, video, and quiz about the rock cycle. Learn how it is similar to recycling, the different kinds of rocks, and how they form. There is a karaoke feature that allows learners to sing along, helping to cement the...

Starting in 2015, all chemicals must have a pictogram of the associated chemical hazards. A brain-building activity reviews four of the basic symbols found in a typical science laboratory. Through a fun puzzle, scholars apply their...

For years, scientists believed tRNA was junk left over from larger RNA. Three scientists used different approaches to prove tRNA actually exists as the connection between DNA and protein. Learn about their experiments, their lives, and...

In the 1940s, scientists discovered bacteria conjugation, the process of DNA transfer or bacterial sex. The discovery proved that bacteria and viruses contain DNA and led to a Nobel prize. Interested individuals learn about the...

How do cells know when to replicate, transcribe, and stop? James E. Darnell, Jr. shifted from studying medicine to biochemistry and decided to address this mystery. Learn about his research, discoveries, and the impact on future medical...

Cells demonstrate a life cycle like other living things, but what if death was no longer part of the cycle? Learn about the important balance requiring death to continue functioning. An online interactive introduces a group of scientists...

Does natural light damage or repair DNA? Learn the answer discover the scientists who researched the topic with an online interactive. Scholars read through an online animation presenting the content at their own pace. Then, they read...

The winds of change are blowing in our very own solar system!  But what makes some heavenly bodies more affected by solar winds than others?  Pupils discover the concept of magnetic forces at work in space in this...

While America says it welcomes from other countries the tired and poor yearning to be free, the record is mixed on whether there has been a warm reception for immigrants. Class members use an interactive graphic scale and primary source...

Given several statements, students decide which ones describe them well and which do not describe them at all. Tool uses responses to determine students' strengths and weaknesses in paying attention, thinking spatially, using language,...

What do you know about the different human body systems? This site features information on each of the different systems. Students and teachers will benefit from this comprehensive resource.