By Bonnie Worth
With the capable information of factor 1 and factor 2 -- and a fleet of Rube Goldbergian cars -- the Cat within the Hat examines a few of the elements of vegetation, seeds, and plants; uncomplicated photosynthesis and pollination; and seed dispersal.
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Additional info for Oh Say Can You Seed?: All about Flowering Plants
Ask your parents to check with their utility company to see if your household can buy green power. You can also check with the Department of Energy or the Environmental Protection Agency. They keep lists of green energy suppliers in each state. Wind power is green power. Environmental groups or agencies can help you find green power producers. 29 Timeline Fossil fuels have changed the way humans live over the last century. As a leading cause of global warming, burning them for fuel has also endangered the planet.
2009 NASA scientists and climate expert Dr. James Hansen says the next four years will be crucial in taking action to stop climate change. People line up to fill gas canisters during a temporary fuel shortage. Lineups like these will be common when the world’s oil supplies start to dwindle. Many experts say that could be in 20 years! 31 Glossary acid rain Rainfall made acidic from chemicals and gases emitted when burning fossil fuels atmosphere An envelope of protective gases that surround Earth and absorb the Sun’s harmful rays biomass A natural substance used as fuel carbon dioxide A gas naturally present in the atmosphere which is also produced by burning carbon based fossil fuels (oil, gas, and coal) Carboniferous Period The geological time period when fossil fuels were formed commodities Raw materials that can be bought and sold decomposition To rot or break down distilling Purifying a liquid by making it into a gas and then condensing it back into a liquid emissions The discharge of chemicals or gases from burning fuels flue A duct for chimney smoke fossil fuels Fuels found in Earth’s crust that are non-renewable sources of energy geologist A science that deals with Earth’s physical structure, history, and substance greenhouse gas Gases in the atmosphere that absorb heat from Earth’s surface hydrocarbons The chief components of oil, gas, and coal internal combustion engine An engine that makes power from burning oil or gas Kyoto Protocol An international agreement on climate change that set targets for 37 industrialized countries to reduce their production of greenhouse gases.
Crisis” forced people to conserve and gave a taste of what a world without petroleum would be like. 1885 Karl Benz invents the gasoline powered internal 1979 combustion engine, ushering in the new age of First World Climate Conference discusses climate the automobile. change caused by CO2 emissions. This leads to later conferences and the 1997 Kyoto Protocol. 1951 Countries agree that fossil fuel emissions need to Polypropylene and polyethylene plastics created be lowered. in a Phillips Petroleum lab.