想好好准备ALEVEL物理实验,光靠书本是不够的。你需要将实验仪器、试验计划、数据收集、数据处理等一切细节都熟练掌握,才能在实验单元得高分。而这些工作,显然光靠突击是不够的。所以本文来为大家提前整理下16个核心ALEVEL物理实验,趁现在还不晚,每周抽出一点时间,认认真真把它们都过一遍吧。
16个重要ALEVEL物理实验清单
01Determine the acceleration of a freely-falling object
测定自由落体运动加速度g
02Determine the electrical resistivity of a material
测定材料的电阻率resistivity
03Determine the emf and internal resistance of an electrical cell
测定电池电动势和内阻
04Use a falling-ball method to determine the viscosity of a liquid
通过下落小球测定液体的粘度 viscosity
05Determine the Young modulus of a material
测定材料的杨氏模量
06Determine the speed of sound in air using a 2-beam oscilloscope, signal generator, speaker and microphone
如何利用2-beam oscilloscope, signal generator, speaker and microphone测声速
07Investigate the effects of length, tension and mass per unit length on the frequency of a vibrating string or wire
研究绳子长度、拉力、单位长度质量对振动频率的影响
08Determine the wavelength of light from a laser or other light source using a diffraction grating
利用diffraction grating测定光的波长
09Investigate the relationship between the force exerted on an object and its change of momentum
研究力和动量变化的关系
010Use ICT to analyse collisions between small spheres
利用ICT分析两个小球的碰撞
011Display and analyse the potential difference across a capacitor as it discharges through a resistor
分析电容器放电过程中电压的变化
012Calibrate a thermistor in a potential divider circuit as a thermostat
矫正恒温器中的热敏电阻
013Determine a value for the specific latent heat of ice
测定冰的specific latent heat
014Investigate the relationship between the pressure and volume of a gas at fixed temperature
研究在一定温度下气体的压强和体积的关系
015Investigate the absorption of gamma rays by lead
研究铅板对伽马射线的吸收
016Determine the value of an unknown mass using the resonant frequencies of known masses on a spring
通过已知质量砝码的共振频率如何测定未知质量砝码
ALEVEL物理实验的难点在于会全方位地考察学员的动手、记录和收集数据、计算等多方面的能力,所以还是有必要特别练习一下的。如果你觉得自己需要特别加强一下这方面的能力,欢迎点击预约试听【橡沐ALEVEL同步培训班】, 海外教育背景导师授课,知识、方法与思维方式并重,针对学员存在的问题专项讲解,同步提升GPA与大考实力,不论出分规则如何变化,都能锁定A*。
橡沐学员。
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