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**Earth and space science**

**Physical sciences**

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This activity is one of several in which students are required to access and analyze actual data from NASA missions, including video "interviews" with real NASA scientists, to solve a mystery. In this mystery, students are challenged to determine if... (View More) a signal from space has a natural origin, or if it actually is a message from aliens. Alien Bandstand can be used as a supplemental learning tool to reinforce the scientific method, and as an example of how scientists analyze data in real-world situations. It is one of several activities within "Space Mysteries," a series of inquiry-driven, interactive Web explorations. Each Mystery in "Space Mysteries" is designed to teach at least one physical science concept (e.g. interactions of energy and matter, structures and properties of matter, energy, motion, or forces), and is accompanied by materials to be used by classroom teachers. (View Less)

This is a lesson about the motion of a coronal mass ejection, also called a CME. Learners will calculate the velocity and acceleration of a CME based on its position in a series of images from the Large-Angle Spectrometric Coronagraph (LASCO)... (View More) instrument on SOHO. (View Less)

This example shows how Newton's laws of motion apply to aircraft carriers and introduces the lift equation: the amount of lift depends on the air density, the wind velocity, and the surface area of the wings. The problems stress the importance of... (View More) units of measure. This resource is from PUMAS - Practical Uses of Math and Science - a collection of brief examples created by scientists and engineers showing how math and science topics taught in K-12 classes have real world applications. (View Less)

In this experiential activity, students demonstrate to themselves the effect of the optic disc, or blind spot, inherent to the optic nerve entering the posterior of the eye (bulbus oculi). This resource is from PUMAS - Practical Uses of Math and... (View More) Science - a collection of brief examples created by scientists and engineers showing how math and science topics taught in K-12 classes have real world applications. (View Less)

Computer modeling is used to estimate physical quantities that are difficult to measure, in this case, the landing shock experienced by ski jumpers. The model uses physical quantities such as the takeoff inclination, takeoff height, the shape of the... (View More) hill, and the vertical drop to the landing. The landing shock is calculated from the velocity of the skier and angle which he or she hits the hill. This resource describes the computer model, and describes the calculations used to compare the impact of a Nordic skier vs. an aerial jumper. The resource is from PUMAS - Practical Uses of Math and Science - a collection of brief examples created by scientists and engineers showing how math and science topics taught in K-12 classes have real world applications. (View Less)