五下第三单位能力测试题(国外英文资料).doc

五下第三单元能力测试题(国外英文资料) Hangzhou modern experimental primary school Fifth grade science (lower) third unit ability test volume (time: 40 minutes, rolls: 100 points) Name: class: Propositional man: sun xubings teachers speech: cultivate the sensitivity of the problem, improve the ability to solve the problem. 1, wisdom fills the void (1 minute, 24 points) 1, made by a beverage bottle water type water clock, can or no () from the bottom of the bottles marked time scale, the reason is. 2, on the study of the impact speed and swing of pendulum string length, the size of the swing, and the weight of the pendulum which factors, we should retain the same conditions, change the conditions for experiments. As to study the effect of the weight of the pendulum to swing speed, we remain the same and that is the cause of the factor is to change. 3, the role of drip in the hospital with a disposable infusion device of:. There are two lines of the peacock in the southeast : after twilight, the silence is set. Dusk is now the point of time; Man is the point; Journey to the west back to 9: the noon time, three dreams cut many old dragon, to show the old dragon crime is extremely heavy, three noon time refers to the point now 5, the direction of the sun object shadow, length will slowly change, sundial is recorded time; And gutables are made of timers. 6, human is the first to use the timer, the ancients is the first to use the unit of time. When making water clocks, the speed of the water droplet is related to the water in the container. Factors influencing the water clock accurate,,,. The mechanical pendulum is made from a single pendulum. How it works:. Easy judgment (1 point, 10 points) The mechanical pendulum is dependent on the pendulum and gear operator. (a) In the study of pendulum, we found that the length of the pendulum is the length of the pendulum. (a) Time sometimes means a moment, sometimes a time interval. (a) The sundial is different from the place where the sundial is