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The Center for Remote Sensing of Ice Sheets (CReSIS) is a Science and Technology Center established by the National Science Foundation (NSF) with the mission of developing new technologies and computer models to measure and predict the response of sea level change. CReSIS provides students and faculty with opportunities to pursue exciting research in a variety of disciplines; to collaborate with world-class scientists and engineers in the US and abroad; and to make meaningful contributions to the ongoing, urgent work of addressing the impact of climate change. Part of the National Science Foundation Series “Science Nation.”
(Source: DCMP)
Global warming is accelerating the melting of the world’s glaciers. The rate of glacial retreat has increased over the last hundred years due to global warming and the increase of greenhouse gas emissions. The increase in glaciers melting has significant impact on the water supply for many global communities. Glacial retreat also impacts world climate zones since glaciers help regulate the climate of the planet. However, scientists argue that it is not too late to reverse the effects of global warming in an effort to decrease the rate at which glaciers are melting. Chapter 11 of Air: Climate Change Series.
How does paper change when it is torn up? Or what happens to ice as it melts. These are examples of physical changes in matter, and students explore some of the different ways matter changes physically. Concepts and terminology discussed include: freezing, melting, condensation, boiling, and evaporation.
Does the wax of a candle melt or burn? In this scientists conduct an experiment to determine what really happens when a candle is lit. They also develop a method to calculate the amount of hair on a head. Part of the House of Science Series.
How can substances, such as water, exist in several dramatically different phases? Easy-to-understand examples illustrate how phase changes occur. Additional concepts and terminology include states of matter, particles, solid, liquid, gas, plasma, melting, freezing, vaporization, boiling, evaporation, condensation, and sublimation.
This organic chemistry tutorial is divided into two parts. Part 1, "Selected Derivatives, Hydrocarbons," focuses on the properties of glycerol and phenol; Part 2, "Synthetic Substances," demonstrates properties of polyethylene and the depolymerization of polyethylene.
Part of a series that features a wide variety of video footage, photographs, diagrams, graphics, and labels. For this particular video, students will focus on the conditions that create the greenhouse effect, and its impact on the environment. Part of the Science Video Vocab series.
Glaciers are melting, sea levels are rising, and the weather is becoming more extreme. Corporations talk about optimizing resource use, saving energy and reducing greenhouse gas emissions to stop worsening climate change. They start to promote hybrid cars, plant-based detergents and new technologies… but how much do they really intend to change, and what do plants have to do with marketing?
The Arctic Sea Ice, a plate of ice roughly the size of Europe, is disappearing. Explores, with the company of scientists, the fabled Northwest Passage. Provides an overview of how polar bears, seals, and arctic birds are struggling to adapt to the rising temperature and their shrinking terrain. But beyond the wildlife, there are concerns about the effect the melting ice cap has on human life.
Black carbon is the fancy name for soot, and it is causing changes in the Arctic climate. It comes from the burning of fossil fuels. Studies suggest that black carbon is contributing to the acceleration of sea ice melting in the Arctic, and the loss of this ice would lead to more rapid warming and possibly irreversible climate change.
The Magic School Bus is an award winning animated children’s television series based on the book series of the same title by Joanna Cole and Bruce Degen. It is notable for its use of celebrity talent and being both highly entertaining and educational. Teaching the kids about geography, Ms. Frizzle decides to take the class to an island that hasn't been discovered yet. But when they get to the spot and don't see anything there, Ms. Frizzle shows them just how underwater volcanoes create new land.
Many outlet glaciers in Greenland feed ice from the land into fjords, where discharge of icebergs and melting of the glaciers by warmer ocean waters contribute to rising sea levels. David Holland of NYU studies what happens in the fjord when ice meets water. He also studies how the dynamics at the margin between ice and sea are changing, and what those changes could mean in the future for global sea level rise. Part of the National Science Foundation Series “Science Nation.”
The freezing and melting of water affects so much of the world. Ice crystals in thunderclouds create lightning. It is also powerful enough to crack boulders, float stones, and alter entire landscapes. Ice is a common substance, but it has some secrets and weird properties scientists have only just begun to understand. Part of the "It's Okay to Be Smart" series.
Moko is an explorer. As he travels the world continent by continent, he makes many friends and discovers many natural phenomena which sometimes delight him, and other times scare him. Each animated episode recounts an adventure and takes an "original story" approach to explaining these natural phenomena. In this episode, Moko and Mei-Lei are gathering seashells in between the rocks on the white sand beach to decorate the village's houses. Moko asks Mei-Lei if they can go to other beaches to try to find other shells. Mei-Lei likes the idea and goes to ask a fisherman to take them to another beach on his boat. Just beyond the village Moko sees a vast plain that has been flooded with water. He thinks this must have been the great wave, flooding the field with water so that the rice would grow. This is when Mei-Lei picks up a magnificent seashell and Moko believes that it must surely be a gift from the ocean. Moko and Mei-Lei make their way back home, carrying their gift and happy to have seen wonderful new places. They are certain that the ocean must know an underground passage in which it sends waves every now and then to feed the rivers and the fields.
