Physics

Understandings:• Conduction, convection, and thermal radiation• Black-body radiation• Albedo and emissivity• The solar constant• The greenhouse effect• Energy balance in the Earth surface/atmospheresystemApplications and skills:• Sketching and interpreting graphs showing the variation of intensity with wavelength for bodies.emitting thermal radiation at different temperatures• Solving problems involving the Stefan–Boltzmann law and Wien’s displacement law.• Describing the …

Physics 8.2 essay: Albedo and emissivity Read More »

STARS IN THE CONSTELLATION Hello, I aim to get a level 7 and I am a standard level student. It needs to be very detailed and with comprehensive language. I’d like it to be complex enough as a topic since my professor told me that my idea of doing an experiment with a simple pendulum …

AN INVESTIGATION TO DETERMINE THE ACTUAL DISTANCES OF BIG DIPPER Read More »

Understandings:• The unified atomic mass unit• Mass defect and nuclear binding energy• Nuclear fission and nuclear fusionApplications and skills:• Solving problems involving the energy released in radioactive decay, nuclear fission and fusion• Sketching and interpreting the general shape of the curve of average binding energy per nucleon against nucleon number

Write a 1500 word essay explaining all of the below about 7.1 and also answering the TOK questions. Understandings:Discrete energy and discrete energy levelsTransitions between energy levelsRadioactive decayFundamental forces and their propertiesAlpha particles, beta particles, and gamma raysHalf-lifeAbsorption characteristics of decay particlesIsotopesBackground radiationApplications and skills:Describing the emission and absorption spectrum of common gasesSolving problems involving …

Physics Unit 7.1: Discrete energy and discrete energy levels Read More »

DONT COPY THE INFORMATION, when writing the lab you will have to write a new research question, hypothesis, etc. Aim to get an IB scoring 7.

The IA needs to be HL level, consist of an experiment, and write up which is about 8 to 12 pages long. The experiment I can do at school but I preferably have it when it’s designed by you so I can make the experiment and get the values for it. The experiment can also …

An investigation to Find the Value of Gravity (g) Using a Simple Pendulum Read More »

How does varying the length of a string used to suspend the mass of an object affect acceleration due to gravity in a simple pendulum?

What is the effect of the effective length of a guitar string on the frequency produced by a played note?

Understandings:• Specific energy and energy density of fuel sources• Sankey diagrams• Primary energy sources• Electricity as a secondary and versatile form of energy• Renewable and non-renewable energy sources Applications and skills:Solving specific energy and energy density problems• Sketching and interpreting Sankey diagrams• Describing the basic features of fossil fuel power stations, nuclear power stations, windgenerators …

Topic 8.1 – Project: Sketching and interpreting Sankey diagrams Read More »

Is there a relationship between light intensity and distance from a point source vs. a non-point source?