(
课件网) (仁爱科普版)九年级 上 Topic 2 I’m excited about the things that will be discovered in the future. Section C 读写优质课 Unit 4 Amazing Science Learning objectives 1 Lead in Pre-reading 3 While-reading Post-reading 5 Summary Assessment 7 Homework 2 4 6 8 1 Learning objectives After learning the lesson, we can: 01 02 03 04 learn some core words and expressions of the text. be able to express in English passive voice and fractions in daily expressions. proficient in using learned vocabulary and grammar structures to construct sentences and create short texts. actively explore and use English to express one's thoughts and opinions. Enjoy a song. 2 Lead in What are you going to be when you grow up?Why 2 Lead in bright red like a red and orange ball beautiful How much do you know about Mars 3 Pre-reading solar system Mars is the fourth planet from the sun in our solar system and is named after Mars, the Roman god of war. Mars the Roman god of war 罗马战神 3 Pre-reading Mars sun How far is Mars from the sun 228 million kilometers 3 Pre-reading During spring and summer, the strong storms can cover the whole surface of Mars. The gravity on its surface is about two-fifths as strong as it is on earth. It is much smaller than the earth. Its diameter is 53% of the earth’s. 3 Pre-reading 36 kilo 90 kilo a person who weighs 90 kilos on earth weighs only 36 kilos on Mars. = two-fifths 3 Pre-reading Look at the pictures and predict which statements are true about Mars. _____ 1. Mars looks like a red ball. _____ 2. The temperature on Mars is very high. _____ 3. Mars is much larger than the earth. _____ 4. Mars is too far away for us to reach. T F F F Then read the passage quickly and check the answers. 3 Pre-reading Fast reading A. Describe what Mars looks like B. Ask what Mars looks like Para 1 _____ Para 2 _____ Para 3 _____ B A C C. Search for more information about Mars in the future. 搜索 Read and find out the main idea of each paragraph. 4 While-reading 1a Read and understand. What’s the temperature on Mars It is between -138℃ and 28℃. 4 While-reading Careful reading: 1b Read 1a again and write down the information about Mars. Diameter Color Shape Climate Gravity Distance from the sun 53% as wide as that of the earth red and orange a ball during spring and summer: strong storms temperature: between-138℃and 28℃ about two-fifths as strong as it is on earth about 228 million kilometers 4 While-reading What do you know about Mars What does it look like Mars is the fourth planet from the sun in our solar system and is named after Mars, the Roman god of war. Its diameter is 53% as wide as that of the earth. Mars goes around the sun at a distance of about 228 million kilometers. You can tell which planet is Mars because it is bright red in the night sky. It looks like a red and orange ball. It's very beautiful. But during spring and summer, the surface of Mars is covered by strong storms. The ... ...