初中英语七年级.ppt

Volcano Typhoon Earthquake Falling stars The stars (Astronomy) looks at the history of the universe, what is found in the universe (stars, planets, moons, black holes, etc), the planets in our solar system, the moon, and the sun. Instruments that are used are telescopes, X-ray instruments, satellites and radio telescopes. Biology looks at all living things in nature on our planet, including organisms that cause diseases both in humans and in animals and crops. Instruments that are used are microscopes, etc. What is the listening text about? 2 .What do we call this type of radio message? 2. Listen to the tape again and write the information you hear on the map of the USA. In which areas is rain expected? If rain is expected, write Yes. If not, write No. Write down how high the temperatures will be on Tuesday in different parts of the USA. Answers to exercise 3 1.How should you prepare for the day if you go fishing in the Great Lakes region? * * * * * Warming up Let’s get to know nature! Natural disasters Volcanoes Natural disasters typhoons Let’s talk about the pictures! Discussion VOLCANO.AVI earth earthquake stones and minerals typhoons hurricane flood Geology （地质学） * The study of the earth is called geology, dealing with the history of our planet, volcanoes, earth-quakes, and stones and minerals. Instruments which are used are seismographs, thermometers, mi- croscopes, etc. Meteorology (气象学) ** Meteorology is the study of the climate and weather on earth as well as natural phenomena such as hurricanes, typhoons, rain and snow fall, sunshine, droughts, etc. Instruments that are usually used are thermometers, barometers, in- struments to measure wind speed and rainfall. Volcanoes, earthquakes, comets,news about astronomy, biology and disease (SARS,AIDS and bird flu. Do you often hear about these things in newspapers or on TV?Give examples. How does nature form a danger to people in the world and how can science help reduce that threat? N