Grade 4

The best movie I’ve seen in my life – if this doesn’t change your perspective of the world, nothing will. It’s certainly worth the watch, and the time required! 🙂Check it out –>

About those elementary particles. Quarks =>elementary particles What are subatomic particles? What are quarks Standard model of elementary particles Gluon – the stuff that keeps the stuff together https://en.wikipedia.org/wiki/Color_charge     “Strong force” or “Color Force”   What are gluons And how the empty space is not empty   WhatCheck it out –>

A few videos to make the quantum reality perfectly unclear. Quantum theory made easy pt 2 – the duality of matter What does an atom really look like?    Check it out –>

A couple of videos to get a refresher on Einstein, the theory of Relativity and things like that. The Real Meaning of E=mc²Check it out –>

Emission and Absorption Spectra Emission Spectra and the Bohr Model The Bohr Atom Bohr Model of the Hydrogen AtomCheck it out –>

Fancy shoes, awesome formulas, and how it was all… wrong. …And again, for good measure The Photoelectric Effect (and how it works) The Photoelectric Effect (and how it works) The Photoelectric Effect model http://iwant2study.org/lookangejss/06QuantumPhysics/ejss_model_photoelectriceffectwee3/photoelectriceffectwee3_Simulation.xhtml   Wave particle duality   How it’s all… wrongly PUTCheck it out –>

What is Light? What is a black body? Black body radiation – experimental Black Body radiation – theoretical approachCheck it out –>

Nature of waves So what kind of a wave IS light, exactly?   Brewster’s law – short version Brewster’s law – long versionCheck it out –>

What brush paints the light? The science of rainbow 1:00   Wavelength and frequency of light Light: Crash Course Astronomy #24Check it out –>

The Original Double Slit Experiment Interference of Waves | Superposition and Interference in light and water waves | Physics Light dispersionCheck it out –>

*not really free as in freedom, but free as in “no charge” Free Microsoft Office for high school students Instructions: https://office365.skole.hr/default/pristup#u2 Access: https://www.office.com/ Log in with your CARNet username and password. You can use it online, or install to your computer. Freebies from CARNet Did you know you get access toCheck it out –>

All about lenses – A Quick Course Convex lenses – Ray diagrams How a telescope works Photographic lenses the beginning of this video explains how focal length relates to field of view. The rest… is for those who love photography. Keep exploring! How an eye works – simplified How anCheck it out –>

Elusive fish   Refraction vs Reflection (2:60 for total reflection) So how does a periscope work? There’s another way, tho! Laser and optical prism fun The Easy Rider  Light fantastic (6.05.2018 ROGER WATERS, ARENA ZAGREB!) Snell’s law The Lord of the Light No Photoshop? No problem! (Prisms as photographic effectCheck it out –>

Just a couple of videos and some materials on mirrors. This web site owns nothing and takes no credit, huge thanks to the authors. Ray Diagrams – Mirrors A little class on Ray diagrams for flat, concave and convex mirrors. To be used as learning aid. Concave Mirror Demo IfCheck it out –>

Light refraction Fiber optics Optic cableCheck it out –>