熱門大學專業的AP選課建議
新學期來了，相信又有一批新同學和家長開始接觸AP體系了。美國的AP課程大概有幾十門，國內開設的課程可能只有十幾門。也就是說，AP課程的選擇有一定限制。 同學們需要思考未來的專業意向。因為AP課程是比較靈活的...
IB DP Biology: SL復習筆記1.1.2 Functions of Life
Functions of Life Unicellular (single-celled) and multicellular (many cells) organisms must carry out the following functions to stay alive: Metabolism - all the enzyme-catalysed reactions occurrin...
IB DP Biology: SL復習筆記1.1.1 Cell Theory
Cell Theory Until microscopes became powerful enough to view individual cells, no-one knew for certain what living organisms were made from A scientist called?Robert Hooke?came up with the term "ce...
IB DP Physics: HL復習筆記12.2.7 Measuring Half-Life
Measuring Half-Life Half-life is defined as: The time taken for the initial number of nuclei to halve for a particular isotope This means when a time equal to the half-life has passed, the?activity...
IB DP Physics: HL復習筆記12.2.6 The Law of Radioactive Decay
The Law of Radioactive Decay Since radioactive decay is spontaneous and random, it is useful to consider the average number of nuclei which are expected to decay per unit of time This is known as t...
IB DP Physics: HL復習筆記12.2.5 The Neutrino
The Neutrino An electron neutrino is a type of subatomic particle with no charge and negligible mass which is also emitted from the nucleus The anti-neutrino is the antiparticle of a neutrino Elect...
IB DP Physics: HL復習筆記12.2.4 Nuclear Energy Levels
Nuclear Energy Levels In the same way that electrons can exist in excited states, nuclei can also exist in?excited states After an unstable nucleus emits an alpha particle, beta particle or undergo...
IB DP Physics: HL復習筆記12.2.3 Deviations from Rutherford Scattering
Deviations from Rutherford Scattering In the Rutherford scattering experiment, alpha particles are fired at a thin gold foil Some of the alpha particles are found to come straight back from the gol...
IB DP Physics: HL復習筆記12.2.2 Nuclear Scattering
Nuclear Scattering Electrons accelerated to close to the speed of light have wave-like properties such as the ability to diffract and have a ?de Broglie wavelength?equal to: Where: h?=?Planck's con...
IB DP Physics: HL復習筆記12.2.1 Rutherford Scattering & Nuclear Radius
Rutherford Scattering & Nuclear Radius In the Rutherford scattering experiment, alpha particles are fired at a thin gold foil Initially, before interacting with the foil, the particles have kin...
IB DP Physics: HL復習筆記12.1.10 Tunnelling
Tunnelling Single potential wells?lead to quantised energy levels and their associated?wavefunctions The wavefunction extends throughout space However, for?infinitely deep square wells?the wavefunc...
如何選擇適合自己的AP課程？AP選課指南請收好
為了向大學招生官展示你的學術能力，在高中期間選修AP課程很重要，而AP課程門類繁多，如果沒有明確的目標專業，選課會令人感到非常頭禿。在很多成功的申請案例中，有手握十幾門AP 5分的學生，也有只考一兩門AP的...
