Module 5a lesson in a lab ntroduction By Karen )x关逢报社
Module 5 A Lesson in a Lab Introduction By Karen
What are they doing? 手A They are doing experiments )x关逢报社
They are doing experiments
Air ms We are going to 1. Learn some English words for science and experiments 2. Learn to read numbers fractions decimals and percentages Hopefully, we will be able to do some simple operation(运算)in English )x关逢报社
Aims We are going to: 1. Learn some English words for science and experiments. 2. Learn to read numbers, fractions, decimals and percentages. Hopefully, we will be able to do some simple operation(运算) in English
Vocabulary OCABULARY liquid n.液体 solid n.固体 expandⅵi.膨胀 contractⅵ.收缩 substance n.物质 mixture n.混合物 0 Kygen n.氧气 steel 钢 )x关逢报社
liquid solid expand contract substance mixture oxygen steel n. 液体 n. 固体 vi. 膨胀 vi. 收缩 n. 物质 n. 混合物 n. 氧气 n. 钢
Listen just liste Listen and your answers to the quiz. y Water exists as a solid, a liquid and agas。 (b Water exists as a solid and a liquid on 2. When you heat a metal, it expands. (b) when you heat a metal, it contracts。 )x关逢报社
Listen and your answers to the quiz. 1. (a) Water exists as a solid, a liquid and a gas. (b) Water exists as a solid and a liquid only. 2. (a) When you heat a metal, it expands. (b) When you heat a metal, it contracts
3. Steel is a mixture of iron and other substances (b) Steel is a mixture of iron and Oxygen. 4.B Two-thirds of the earth's surface is water (b)50% of the earths surface is water 5.(a) The distance of the sun from the earth is 25.5000 kilometres The distance of the sun from the earth is 150.500 500 kilometers )x关逢报社
3. (a) Steel is a mixture of iron and other substances. (b) Steel is a mixture of iron and oxygen. 4. (a) Two-thirds of the earth’s surface is water. (b) 50% of the earth’s surface is water. 5. (a) The distance of the sun from the earth is 25,5000 kilometres. (b) The distance of the sun from the earth is 150,500,500 kilometers
6.(a) The earth is 4.6 million years old. m The earth is 4.6 billion years old 7.a The earth is twice as large as the moon。 The earth is forty-nine times larger than the moon )x关逢报社
6. (a) The earth is 4.6 million years old. (b) The earth is 4.6 billion years old. 7. (a) The earth is twice as large as the moon. (b) The earth is forty-nine times larger than the moon
Classification Put the words in pairs or groups contract air earth gas liquid oxygen moon solid moon solid expand sun alr- gas-oxygen contract - expand 234 earth-sun-moon gas-liquid-solid )x关逢报社
Classification Put the words in pairs or groups. contract air earth gas liquid oxygen moon solid moon solid expand sun 1 2 3 4 air – gas - oxygen contract - expand earth – sun - moon gas – liquid - solid
Classification 2 Put words in the right place electricity iron metal steel air class g natural electricity iron air some metals man-made steel glass some metals both electricity some metals(alloy for example) )x关逢报社
Classification 2 Put words in the right place. electricity iron metal steel air glass natural man-made both electricity iron air some metals steel glass some metals electricity some metals (alloy for example)
Read the following numbers out 2,000,000 (two million) 5,100,000 (five million, one hundred thousand) 12,269,000 (twelve million, two hundred and thirty-nine thousand )x关逢报社
Read the following numbers out 2,000,000 (two million) 5,100,000 (five million,one hundred thousand) 12,269,000 (twelve million,two hundred and thirty-nine thousand