Video Description:  How does NASA test ideas, like the Mars Helicopter, before they are even built? Find out more about this revolutionary helicopter and how NASA uses mathematical modeling to turn complex ideas into solvable equations that help shape future missions. Video Length:  3:20.NASA eClipsTM is a suite of online student-centered, standards-based resources that support instruction by increasing STEM literacy in formal and nonformal settings.  These free digital and downloadable resources inform and engage students through NASA-inspired, real-world connections.NASA eClips Real World segments (grades 6-8) connect classroom mathematics to 21st Century careers and innovations.  They are designed for students to develop an appreciation for mathematics through real-world problem solving.

Video Description:  Satellites are expensive to build and expensive to get into space. With all the changes in technology, is there a way to make satellites smaller? Find out just what NASA can pack into a 1U CubeSat, a satellite small enough to fit in your hand.  Video Description:  3:24.NASA eClipsTM is a suite of online student-centered, standards-based resources that support instruction by increasing STEM literacy in formal and nonformal settings.  These free digital and downloadable resources inform and engage students through NASA-inspired, real-world connections.NASA eClips Real World segments (grades 6-8) connect classroom mathematics to 21st Century careers and innovations.  They are designed for students to develop an appreciation for mathematics through real-world problem solving.   

Video Description:  CubeSats are changing the way we collect information. They may be small, but these little satellites are helping us answer big questions. And using a swarm of CubeSats can give us simultaneous measurements without repeatedly sending commands to the satellite to tell it what to do.Video Length:  2:21.NASA eClipsTM is a suite of online student-centered, standards-based resources that support instruction by increasing STEM literacy in formal and nonformal settings.  These free digital and downloadable resources inform and engage students through NASA-inspired, real-world connections.NASA eClips Real World segments (grades 6-8) connect classroom mathematics to 21st Century careers and innovations.  They are designed for students to develop an appreciation for mathematics through real-world problem solving.

Video Description:  Our Earth is a dynamic system with diverse subsystems that interact in complex ways.What are those subsystems and how do they interact?How are these subsystems and the global Earth system changing?What causes these changes?How does NASA monitor these changes?How can Earth system science provide societal benefit?Jessica Taylor, an atmospheric scientist at NASA Langley Research Center, and Dr. Steven Pawson, an Earth scientist from NASA Goddard Space Flight Center, help answer these questions and demonstrate how mathematical modeling helps scientists in their predictions of climate, weather, and natural hazards.  Video Length:  5:02.NASA eClips Real World segments (grades 6-8) connect classroom mathematics to 21st Century careers and innovations.  They are designed for students to develop an appreciation for mathematics through real-world problem solving.

Video Description:  Balancing Earth's incoming and outgoing energy is like balancing an equation. When both are equal, Earth's energy is in balance. Learn more about how changes in this balance may impact Earth.  Video Length:  2:56.NASA eClipsTM is a suite of online student-centered, standards-based resources that support instruction by increasing STEM literacy in formal and nonformal settings.  These free digital and downloadable resources inform and engage students through NASA-inspired, real-world connections.NASA eClips Real World segments (grades 6-8) connect classroom mathematics to 21st Century careers and innovations.  They are designed for students to develop an appreciation for mathematics through real-world problem solving.

Video Description:  Earth's energy balance is very delicate. Small changes may have a big impact. How might changes in Earth's land and atmosphere impact this delicate balance? How might this knowledge be used to help us take better care of Earth?  Video Length:  2:31.NASA eClipsTM is a suite of online student-centered, standards-based resources that support instruction by increasing STEM literacy in formal and nonformal settings.  These free digital and downloadable resources inform and engage students through NASA-inspired, real-world connections.NASA eClips Real World segments (grades 6-8) connect classroom mathematics to 21st Century careers and innovations.  They are designed for students to develop an appreciation for mathematics through real-world problem solving.

Video Description:  At NASA everything begins with an idea. Physical models help NASA engineers and technicians test those ideas before building full-scale versions. Learn more about the important role physical modeling, building prototypes and mathematics play in engineering solutions.  Video Length:  3:11.NASA eClipsTM is a suite of online student-centered, standards-based resources that support instruction by increasing STEM literacy in formal and nonformal settings.  These free digital and downloadable resources inform and engage students through NASA-inspired, real-world connections.NASA eClips Real World segments (grades 6-8) connect classroom mathematics to 21st Century careers and innovations.  They are designed for students to develop an appreciation for mathematics through real-world problem solving.

Video Description:  What defines the limits of the solar system? Where does the Oort Cloud fit within this defined space? Paul Chodas, from NASA's Near Earth Object Program, answers these questions and fills us in on some of NASA's missions and explorations that have helped shape our understanding of the solar system.  Video Length:  2:22.NASA eClipsTM is a suite of online student-centered, standards-based resources that support instruction by increasing STEM literacy in formal and nonformal settings.  These free digital and downloadable resources inform and engage students through NASA-inspired, real-world connections.NASA eClips Real World segments (grades 6-8) connect classroom mathematics to 21st Century careers and innovations.  They are designed for students to develop an appreciation for mathematics through real-world problem solving.

Video Description:  Volcanoes play a role in how Earth looks today. Thanks to NASA's missions, we know more about volcanoes in our solar system. Studying volcanoes can teach us about the interior properties of the planets and moons. Learn how the slope equation is used to identify how a volcano was formed.  Video Length:  4:46.NASA eClipsTM is a suite of online student-centered, standards-based resources that support instruction by increasing STEM literacy in formal and nonformal settings.  These free digital and downloadable resources inform and engage students through NASA-inspired, real-world connections.NASA eClips Real World segments (grades 6-8) connect classroom mathematics to 21st Century careers and innovations.  They are designed for students to develop an appreciation for mathematics through real-world problem solving.

Video Description:  Paul Chodas, Manager for NASA's Near Earth Object Program, explains Astronomical Units (AUs) and how this unit of measure helps simplify an understanding of distances within the solar system. To further simplify thinking about these vast distances, distances within the solar system are explained scaled to the size of a football field.  Video Length:  2:25.NASA eClipsTM is a suite of online student-centered, standards-based resources that support instruction by increasing STEM literacy in formal and nonformal settings.  These free digital and downloadable resources inform and engage students through NASA-inspired, real-world connections.NASA eClips Real World segments (grades 6-8) connect classroom mathematics to 21st Century careers and innovations.  They are designed for students to develop an appreciation for mathematics through real-world problem solving.

Video Description:  In addition to planets and their moons, there are many small bodies orbiting the Sun. How did these bodies form? Learn more about comets and asteroids and the role these play in our Solar System, as well as NASA's Rosetta and NEOWISE missions.  Video Length:  3:09.NASA eClipsTM is a suite of online student-centered, standards-based resources that support instruction by increasing STEM literacy in formal and nonformal settings.  These free digital and downloadable resources inform and engage students through NASA-inspired, real-world connections.NASA eClips Real World segments (grades 6-8) connect classroom mathematics to 21st Century careers and innovations.  They are designed for students to develop an appreciation for mathematics through real-world problem solving.

Video Description:  Have you ever wondered what living in space would do to your body? In this Real World video, learn how NASA scientists study cells on Earth to learn how to protect astronauts from radiation during space flights. Dr. Egle Cekanaviciute describes changes in cells and cell organelles. She also compares quantitative and qualitative data and demonstrates how to calculate the percentage of mutated cells.  Video length: 6:35.NASA eClipsTM is a suite of online student-centered, standards-based resources that support instruction by increasing STEM literacy in formal and nonformal settings.  These free digital and downloadable resources inform and engage students through NASA-inspired, real-world connections.NASA eClips Real World segments (grades 6-8) connect classroom mathematics to 21st Century careers and innovations.  They are designed for students to develop an appreciation for mathematics through real-world problem solving.

This resource consists of a Java applet and descriptive text. The applet illustrates the number of trials needed to get a specified number of successes in Bernoulli trials, in terms of random points on a discrete timeline. The applet illustrates the negative binomial distribution. The number of successes and the probability of success can be varied.

This resource consists of a Java applet and expository text. The applet simulates a random sample from a normal distribution, and computes standard point estimates of the distribution mean and standard deviation. The bias and mean square error are also computed.

This resource consists of a Java applet and expository text. The applet simulates the order statistics of a random sample from a given distribution. The sample size, order, and sampling distribution can be specified.

This resource consists of a Java applet and expository text. The applet simulates a random sample from a Pareto distribution, and computes standard point estimates of the shape parameter. The bias and mean square error are also computed.

What do plants eat? This unit explores plants and how they make food.

This resource consists of a Java applet and expository text. The applet simulates the arrivals in a Poisson process during a time interval. The length of the interval and the rate of the process can be varied. The applet illustrates the Poisson distribution and a special case of the central limit theorem.

This resource consists of a Java applet and expository text. The experiment consists of rolling 5 fair dice. The random variable of interest is the type of hand.

This issue contains estimates of the resident population of Australian states and territories as at 30 June of each reference year. Estimates up to 2006 are final, based on the results of the 2006 Census of Population and Housing. Estimates for June 2007 have been revised and estimates from June 2008 onwards are preliminary.