Young scientists investigate methods of comparing standard and metric units with a technology-enhanced lesson that builds a connection between conversion ratios and the corresponding units. The simulation allows learners to...

Time for the reveal! The nineth lesson of the series of 18 has scholars compare DNA fingerprints of cats to their samples to identify the father of Sparky's kittens from previous lessons. They analyze the DNA bands to determine the match.

What is it worth to you? A hands-on instructional activity asks groups to collect weights of different combinations of coins and calculate weighted averages. They use the analysis to understand the concept of an isotope to finish the...

Curing cancer or finding the fountain of youth—the answer may be understanding the structure and function of telomeres. The relationship of telomeres to both aging and cancer have triggered aggressive research. A thorough lesson...

Rocks and minerals are great on their own, but they also turn into some pretty amazing stuff! An online lesson explains the different types of materials we get from rocks and minerals, including glass, plastic, and coins. An embedded...

Humans are so used to gravity as a force that we don't tend to pay much attention to it on a daily basis. Through a couple simple activities, learners experience changes to their center of gravity and come to the understanding that...

Not all energy sources are renewable, as learners investigate in this unit. Made up of six lessons that span a few weeks of instruction, the unit has learners examining US energy reserves and consumption, using data to draw conclusions...

Don't shine like a diamond, refract light like a diamond. Young scientists use an acrylic block and a laser light to observe refraction. Advanced scholars figure the sine of the angles of reflection and incidence as well as mastering...

DNA molecules hold the secrets that make us unique. The fourth of 12 lessons explores the structure of DNA by building candy models. After building the models, young scientists break their models to begin the process of DNA replication....

Can you breed the perfect cat? Scholars study how to control genetic traits through breeding. The 15th lesson in a 18-part genetics unit considers the process of cross-breeding to develop a cat with a specific set of predetermined traits.

What's the moral of this story? Units save lives! Teach measurement conversion through storytelling in a quick math-based lesson. Young scientists learn how one country's decision to swap from imperial to metric standard units caused an...

Finally, an electronegativity resource your class will be strangely drawn to! Skilled scientists manipulate interactive puzzles to gain an understanding of common electronegativity values. The great thing? You can conduct the lesson...

Is your chemistry class frustrated by the multitude of representations of organic molecules? Add some challenging puzzles to an otherwise ho-hum organic lesson and let the fun begin! The second of a two-part activity focused on basic...

Need an a-maize-ing lesson to show your class how regulatory genes work? If you use the well-written resource, they'll be all ears! Biology scholars discover the gene responsible for the evolution of the modern-day corn plant through a...

How do some viruses spread so quickly, and why do they make us feel terrible? Answer these (and many more) questions through a simple yet impactful lessons. Pupils observe demonstrations that show the two methods viruses use to escape...

Can scientists trace all humans back to a small region in Africa? An intriguing lesson turns back time to reveal artifacts leading scientists to believe human life originated in Africa and dispersed from there.

Unravel the complexities of DNA research. Analyzing DNA data can be a daunting, time-consuming task; however, as the lesson explains, an interactive importance of the research outweighs its complexities. The presentation breaks down the...

A classic experiment that stumped scientists for years grabs the attention of young scholars. A slideshow presentation explains the experimental discovery of RNA interface. The lesson goes on to explain in detail the function of RNA...

How does energy from the sun make plants grow? Scholars move step by step through the processes that promote plant propagation during a detailed lesson. The resource illustrates ADP production and hydrolysis, then allows learners to...

The Grand Canyon formed between five and six million years ago, but is it still changing? Scholars explore 10 sites in the United States, including the Grand Canyon, to better understand the geoscience processes that formed these...

Winter, spring, summer, and fall—Earth experiences them all! But what about Mars? Scholars compare the planets in terms of distance, tilt, and rotation during a lesson from PBS's Space series. Great visual models of Earth and Mars, plus...

Has the solar system always been like it is today? A lesson presentation begins with a discussion of the formation of our solar system. It continues with a compare and contrast of the inner and outer planets. 

Astronomers only observe four percent of the universe as the rest hides in darkness. The size, shape, and movement of the universe are the focus for an long-term high school unit. Its 43 lessons include hands-on experiments, direct...

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...