Unit 5 Understanding ideas The monarchs journey学案-高中英语外研版（2019）必修第一册.docxVIP

第 1 页 共 2 页 PopulationHumans Use chemicals to that monarch caterpillars eat.____________If it works, the populationNew Book Module Five — Understanding Ideas The Population Humans Use chemicals to that monarch caterpillars eat. ____________ If it works, the population Learning Aims: 1. To know the style of the scientific exposition, and think critically about the phenomenon. 2. To identify the cause and effects. 3. To have a better understanding of relationships between humans and animals and respect nature. Activity One: Be curious 1. What do you know about the monarch butterfly? ①The monarch butterfly is a kind of beautiful insect with fine black and orange wings. ②The monarch usually has a lifespan of 6 weeks, and its hometown is mainly in America. ③The monarch will around 4000 km from the north to the south to spend the winter . 2. Why do the animals migrate? (para. 1) == Activity Two: Be logical 1. How can they find their way to their destinations? (para. 2-3) ①The monarch butterfly is able to tell . ②The monarch butterfly measure with its eyes. ③Using these two pieces of information, the monarch butterfly determines . ④The monarch butterfly reaches . == A long and processfor the scientists tofind out the mystery. 2. What has made its population crashed by as much as 90 percent? (para. 4) ①Humans trees. ②Humans use chemicals that that monarch caterpillars eat. ③The where monarchs can be founds is destroyed. ④The monarch butterfly’s popul