小学生科普英语实验报告.ppt

Howtohatchchickens中文名倪再勉英文名Leo2021/5/271ContentResearch questionHypothesisMaterials neededResearch design/procedureObservation and data collectionConclusion and findings2021/5/272Research Question How to hatch chickens at home?2021/5/273Hypothesis and Materials Needed HypothesisEggs can be hatched into chickens once they get sufficient temperature and enough hatching days.Materials Needed Hatching box,some cotton and straw,thermometer,heater,eggs.2021/5/274Research Design/Procedure 1.Choice fertilized eggs depending on their size,shape,weight and shell;2.Put eggs into box and wrapped them inside cotton and straw;3.Put cups of water around hatching box to keep appropriate humidity;4.Turn over eggs 6-8 times each day to change embryo direction and promote membrane movement.5.Observe eggs development for around 21 days,they can be hatched into chickens.2021/5/275Observation and Data Collection Day 1-6Eggs are put inside cotton and straw in a carton box.Box temperature at 38.5-38.0 degrees centigrade.Day 2Beans have grown Ymm in day 2.Beans are rinsed and soaked in water Room temperature at Y degrees centigradeDay 3 2021/5/276Conclusion and Findings Must choice fertilized eggs for hatching chickens.Hatching chickens depends much on the temperature and moisture.Under 38 degrees,eggs wont be hatched from day 1 to day 6.Turning eggs directions at 15 angles slowly and steadily until 18 days.Eggs can be hatched if you are patient enough.The closer temperature you can keep for hatching box,the more possible you can hatch eggs.2021/5/277QuestionsPlease feel free to email me at if you have any questions.Thank you for your attention.2021/5/278