By David A. Aguilar
Forty eight pages, Grade 3-8 - a thrilling identify for the astronomic-oriented, this publication updates readers approximately our sunlight approach from 9 planets to 11 and the easy-to-follow reclassifications of them: Rocky/Terrestrial: Mercury, Venus, Earth, Mars; gasoline planets: Jupiter, Saturn, Uranus, Neptune, and Dwarf planets: Ceres(new), Pluto and Eris(new). In double pages, eleven PLANETS provides each one planet with illuminating photos, electronic work, and lots of visually remarkable artistic endeavors and speedy truth charts in addition to paragraphs of texts that either informs and delights. The reminiscence trick to recollect the hot planets so as between many different funny strains makes my child snicker rather not easy. we now have by no means learnt lots so speedy approximately our sunlight process and author/illustrator David A. Aguilar has introduced the planets from the sky to our fingertips within the so much attention-grabbing way.
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Extra info for 11 Planets: A New View of the Solar System
6 million kilometers) of pipeline that transport natural gas. A large storage tank for liquid hydrogen. 34 CHALLENGES IN USING HYDROGEN FUEL ? Hydrogen Fuel Safety ? D ou K n o w Y id Scientists and engineers are making sure that hydrogen fuel will be safe to use. Hydrogen gas is very ﬂammable—in other words, it easily catches ﬁre. It is really no more ﬂammable, however, than gasoline, which people have used safely for many years. As with gasoline, the ﬁrst step to safe use of hydrogen fuel is to make sure that there are no leaks in the storage tanks.
From Windmills to Hydrogen Fuel Cells. Chicago: Heinemann, 2008. Solway, Andrew. Hydrogen Fuel. Pleasantville, New York: Gareth Stevens, 2008. Walker, Niki. Hydrogen: Running on Water. New York: Crabtree, 2007. net Key Internet search terms: fuel cell, hydrogen, hydrogen fuel 46 INDEX ENERGY FROM THE PAST The abbreviation ill. stands for illustration, and ills. stands for illustrations. Page references to illustrations and maps are in italic type. Abundance of hydrogen 14–16, 32 Aircraft 39, 40, 43; ill.
One possible solution would be a hydrogen fuel ﬁlling station in your own garage. Some automobile manufacturers have looked into developing hydrogen generators that people could keep at home. These generators would be about the size of a refrigerator. Having such a generator would let people reﬁll their cars right at home without worrying about trying to ﬁnd hydrogen ﬁlling stations. 36 CHALLENGES IN USING HYDROGEN FUEL As of December 2009, there were 63 hydrogen filling stations in the United States.
11 Planets: A New View of the Solar System by David A. Aguilar