【2A U4 The ants go marching】双语工程2005期No.69Beck打卡D1

海陆空的奇思妙想

1.Listening 清华幼儿汉语第三册 2. Watching. 3.Reading 英文 3.1理解性阅读 分级:海尼曼（小花生） 分级:牛津树7级（小花生） 3.2指读 4. Supplement & Game 4.1 Draw ant hill M:Baby,you know that each animal has its own home.<div>A cow lives in the shed.A horse lives in the stable.</div><div>……Do you still remember where an ant lives?</div><div>B:Ant hill. M:Yes,you are right.I have a good idea, let’s draw an ant hill on the whiteboard. I think we need some colorful markers. Look, I will draw a shape of an ant hill. Some ants build hills around the entrance to their colonies(the groups of ants). They make the hills out of soil and twigs. I will draw a hole as the entrance of the nest. chambers and tunnels What's inside the ant hill? B: Tunnels and chambers. Yes. Inside the hill there are many rooms called chambers where the ants live and work. The ants lay eggs, raise their young babies and store food in the chambers. I will draw some chambers and tunnels. Tunnels connect the chambers. Let’s do it together. Look, we have finished an ant hill. Who lives in a ant hill? B: ants. Yes. The ants are highly social insects that usually live and work together. The ant hill is the home where ants live together and raise their young. B: Draw a queen ant here. OK. Queen ant will live here and lay eggs. The workers will store food in this chamber. what do they like to eat? B: Orange, chocolate, pizza, sandwich, pear. Yes. Ants like to eat sweet things. Some of the workers will carry the eggs to another chamber and These eggs will hatch into larvae. Workers will raise these larvae.</div><div> </div><div> </div> Not all ants nest underground. Carpenter ants live in trees or in dead woods or in the wooden walls of buildings. Let's draw a nest for carpenter ants. Some ants build hills as high as the ceiling of a room. It looks like this. 4.2Draw some ants I’m going to draw some ants on the whiteboard. Do you know the body parts of an ant? B: A head, a thorax, an abdomen, 2 antennae, 6 legs. Also, I will draw a queen ant in a big chamber. Do you know how to tell the queen ant from the colony?What else does a queen ant have? B: The queen ant has two wings. Yes. She will lay eggs in her own chamber and other workers will take care of her.<div> </div><div>Look at the ant. Being an insect, ants have three parts; the head, thorax, and abdomen. The head has two eyes, two feelers, and pinchers. Feelers or Antennae - the better to touch and smell with Pinchers - the better to carry, dig, defend and eat with (an ant squeezes its food with its pinchers to get the juice because it cannot chew) There are two sets of jaws: the outer pair is used for carrying objects such as food and for digging, and the inner pair is used for chewing. Compound eyes - the better to see many of the same thing with. The thorax has 6 legs with a sharp claw on each end - these help me climb better and run fast. There is a sharp claw at the tip of each leg. This is why the ant does not fall off when hanging upside down. The foreleg has a brush (arrow) on the forelimbs for cleaning purposes. 蚂蚁有六条腿。每条腿的尖端都有一个锋利的爪子。这就是为什么蚂蚁倒挂时不会掉下来。前腿的前肢上有一个刷子（箭头），用于清洁。 </div> The abdomen is the largest of the three parts of the body, but it has no limbs attached to it. It has 2 stomachs. Worker ants, one of the common ant varieties you see around, has two stomachs. The first stomach is called a mesosoma[,mɛzə'somɚ] and it functions as a storage space for regurgitated [rɪˈɡɜːrdʒɪteɪtɪd] food to feed the colony. The second stomach is called the rostrum[ˈrɑːstrəm] and is the place where liquid (salivated[ˈsælɪveɪt]) food goes to provide nourishment[ˈnɜːrɪʃmənt] to the ant. 工蚁，一种常见的蚂蚁品种，有两个胃。第一个胃被称为中胚层，它的功能是作为一个储存空间，为反刍食物喂养群体。第二个胃叫做讲台，是液体（唾液）食物供给蚂蚁营养的地方。 Handcrafts:Make a Little ant We need some brown and black clay. Steps: 1. First, let's roll 3 brown ball and stretch one a little bit. This is the ant's body and head. 2. What's on its head? Oh, eyes, Let's paste two compound eyes onto its head. Now,let's make two antennas with a pipe cleaner and put them onto the ant's head. One, two, here are the antennas. Let's use the black pipe cleaner to make two jaws. 3. What's on its thorax? 6 legs with a sharp claw on each end. Let's use the black pipe cleaners to make 6 legs. 4.3 different kinds of ants <ul><li>Queen Ant- Queen ant lays all the eggs and is the mother. Young queens have wings but old queens do not. All have large abdomen's to produce eggs. Some can lay millions of eggs per year.</li><li>Male Ants- All males have wings and can be seen for only a few weeks in the summer. They mate with the queen and do no work in the colony.</li><li>Worker Ants- All female, but do not lay eggs. They are the smallest ants, they do all the chores: clean the nest, gather food, and defend the colony.</li></ul> Worker Jobs: Heigh-ho! Its Off to Work We Go! Workers have many different jobs to do. They begin their work by cleaning themselves. A couple days later they start sharing food and licking each other. Here are a some of the different jobs done by the worker ants. Queen Tender: Young ants help the queen deliver her eggs by grabbing the eggs with their mandibles. Nurse Ant: Young ants lick larvae so they do not dry out, and feed them so they grow. Tunnel Diggers: Young ants dig tunnels for traffic and new chambers to store eggs and larvae and food. Guard: These ants stand near the entrance of the nest, blocking strange ants from entering. Foragers: The oldest ants search/forage ['fɔrɪdʒ] v. 觅食 for food. Most foragers search within 50 feet of the nest, but if food is scarce, they may travel thousands of feet. 4.4 Ant communication(4 kinds) 1) little ant finds bread somewhere in our room. If an ant finds a source of food, the ant will march back to the nest and tell the other ants how to find the bread. Ants tap one another with their antennae to announce the discovery of food and to ask for food. 2) When you come back to our ant hill, I will smell your pheromone [ˈferəmoʊn]信息素 with my antennae first, then we will know if you are a worker in our anthill or not. Because pheromones are chemicals that allow animals to do this. They emit [iˈmɪt] pheromones that other ants smell through their antennae. This warns them of danger, says hello, or helps others to work harder 3) I find a slice of cake. I want to lift it up.Oh, no, I am trapped. I can rub the joint between the waist and abdomen to make a squeaky sound that other ants hear through their legs. 4) The cake is so delicious.would you like to eat some? We can exchange food with other ants mouth to mouth. This sharing of nutrition and chemicals says, "We're Family!" 4.5Life circle of an ant The life cycle of the ant has four stages, including egg, larva, pupa, and adult, and spans a period of 8 to 10 weeks. • An ant's life begins as an egg. Ant eggs are soft, oval, and tiny – about the size of a period at the end of a sentence. Not all eggs are destined to become adults – some are eaten by nestmates for extra nourishment.. • An egg hatches into a worm-shaped larva with no eyes or legs. Larvae are eating machines that rely on adults to provide a constant supply of food. As a result, they grow rapidly, molting between sizes. • When a larva is large enough, it metamorphoses变形 into a pupa. This is a stage of rest and reorganization. Pupae look more like adults, but their legs and antennae are folded against their bodies. They start out whitish and gradually become darker. The pupae of some species spin a cocoon for protection, while others remain uncovered, or naked. • Finally, the pupa emerges as an adult. Young adults are often lighter in color, but darken as they age. The process of development from egg to adult can take from several weeks to months, depending on the species and the environment. Did you know that ants, like all insects, are full-grown when they become adults? Their exoskeletons prevent them from getting any larger. The queen spends her life laying eggs. The workers are females and do the work of the colony, with larger individuals functioning as soldiers who defend the colony. At certain times of the year, many species produce winged males and queens that fly into the air, where they mate. The male dies soon afterward, and the fertilized queen establishes a new nest. Game:You are a little egg M: I'm the queen ant. Would you like to be the winged male? winged males and I will fly into the air, where they mate. The male dies soon afterward, and the fertilized queen establishes a new nest.The queen spends her life laying eggs. I will lay eggs in chamber inside the nest. Here is a chamber. I will lay eggs here. Eggs hatch into larvae. I'm a worker ant. I will feed the larvae. Now you can spin yourself with the cocoon. Where is your cocoon? You spin yourself a cocoon and becomes a pupa. Later you grow up and become a adult ant. 5.Worksheets