Unit 1 Lesson 5 This year’s trip 第五课时（课件）-2023-2024学年剑桥少儿英语二级上册

This year’s trip Lesson 5 Part 1 Watch a video. Think and say. Is the weather in your country the same all year? Look and say. What is this? an imaginary line around the earth at an equal distance from the North and South Poles Let’s learn. Seasons: any of the four main periods of the year: spring, summer, autumn/fall and winter Let’s learn. dry: not wet, damp or sticky; without water or moisture Let’s learn. humid: warm and damp Let’s learn. influence: the effect that sb/sth has on the way a person thinks or behaves or on the way that sth works or develops Let’s learn. North pole: the point on the surface of the earth that is furthest north Let’s learn. South pole: the point on the surface of the earth that is furthest south Let’s learn. rainforest: a thick forest in tropical parts of the world that have a lot of rain Let’s learn. tropic: the area between the two tropics , which is the hottest part of the world Let’s learn. zone: an area or a region with a particular feature or use Read and say.---what’s this paragraph about? Why are there deserts in some countries and rainforests in other countries? It's always very cold at the North Pole and South Pole,even in summer. Why isn’t it very cold all year where you live? Different places have different climates. Climate describes the usual weather of a place over many years and it influences the plants and animals that we find there. There are three main climate zones: polar, temperate and tropical. Listen and read.---match the photos to the climate zones. Polar climates are cold all year and there is always snow and ice. In winter the temperatures can be as low as -50℃ and it's dark all the time. In summer there is sun nearly all day, but it's very weak, so it's still cold. Temperate climates usually have winters that aren't very cold and summers that aren’t very hot. Countries in the temperate climate zone have four seasons: winter, spring. summer and autumn. Tropical climates are hot and humid all year. Countries