Curated OER
How Big Is That Star?
Aspiring astronomers study stars. They compare stars and explain the relationship between radius, mass, and diameter. By creating a star simulation, they discover how a binary star system's orbit can cause changes in the observed...
Howard Hughes Medical Institute
Measuring Obesity
Studies show that obesity is now a global problem. But how are researchers measuring obesity? Young scientists investigate the myriad of methods for measuring body fat through a presentation. From hands-on to high-tech, viewers learn...
Cornell University
Diffraction Demystified
Study diffraction patterns using CDs and DVDs! Scholars measure the diffraction patterns of a light wave as it hits a CD or DVD. Using the information, they can measure the distance between the tracks.
Teach Engineering
Bone Mineral Density Math and Beer's Law
Hop into a resource on Beer's Law. A PowerPoint presentation introduces Beer's law as part of calculating bone density from X-ray images in the sixth lesson in the series of seven. Individuals work on practice problems with this law and...
Teach Engineering
Light Intensity Lab
Let there be light. The last installment of a seven-part series has pupils conduct an experiment on light attenuation through different numbers of transparency sheets. They then relate the results back to how X-rays measure bone density.
Teach Engineering
Exploring Bone Mineral Density
Bone up on bone density. The second installment of the seven-part series has pupils read articles on two different websites to learn about bone density and its measurement, as well as X-rays and other imaging tools. A quiz assesses their...
Teach Engineering
Imagining DNA Structure
Let's get a closer look at DNA and other molecular structures. The first lesson in the series of four introduces a variety of imagining techniques that engineers and scientists use to visualize molecular structures. The resource presents...
Teach Engineering
The Grand Challenge: Fix the Hip Challenge
It may be time to get to know the skeletons in your family. The first instructional activity in a series of 5, introduces the class to the concept of osteoporosis. The class members brainstorm possible causes and whether the family...
Curated OER
X-Ray Eyes
Students observe Australian X-ray paintings for information and to understand the art techniques used. Then they imagine and draw the inner organs of an animal. Students also research the anatomy of the animal to analyze the accuracy of...
Curated OER
Stars and Slopes
More of a math lesson than physics or space science, high schoolers take a set of data and plot it on a log-log coordinate system. The write-up for day two was never completed, but day one, "Stars and Slopes," is complex and cohesive....
Teach Engineering
Bone Density Challenge Introduction
Can you use X-rays to measure bone mineral density? This is the essential question that learners must answer in the first installment of a seven-part series. They brainstorm ideas about necessary background information and what they...
Mr. E. Science
The Nature of Electromagnetic Waves
Imagine a presentation that covers electromagnetic waves, electromagnetic radiation, radio waves, microwaves, the visible light spectrum, UV, X-ray, and gamma rays. Here's one. Packed with facts and colorful illustrations, 11-slide...
Curated OER
What Wavelength Was That?
A combination of informative text, photos, and graphics comprise this sharp show on electromagnetic radiation. Some slides mention hands-on activities for demonstrating concepts, so if you want to include them you will need to figure out...
Curated OER
x-rays - the Letter X
Students demonstrate the ability to draw vertical, horizontal, and diagonal lines, recognize the difference between inside and outside, and create a picture of themselves.
Curated OER
X-rays
Students examine chest x-rays of adults and students and learn what an X-ray illustrates. They also explore the limitations to X-ray technology for use in diagnosing heart and lung ailments.
Curated OER
Make Your Own "Weather" Map
Learners create their own "weather" map using data from x-ray sources. They analyze and discuss why it is important to organize data in a fashion in which is easy to read. They compare and contrast different x-ray sources using a stellar...
Curated OER
A Journey of Discovery with RXTE
Students complete different missions to examine the topic of x-ray sources. They use satellite images and websites to gather the information they need to complete the instructional activity. They complete a worksheet to end the...
Curated OER
An Eclipsing Binary System with a Precessing Accretion Disk
Pupils work together to complete an experiment over binary sources. They determine values for the orbital period of certain objects and interpret intensity changes. They also calculate a value for the period of precession of an accretion...