Dimensões

• Dimension Zone - Relative sizes

• Cosmic Calculations - Guessing the number of atoms in an object

• Mega Penny Project - Large number visualization

• MicroLab - Microscopic imagery 

The scale of the Universo
The scale of the Universe 2

Física: lições e exercícios online

http://www.sophia.org/physics-topic
Newton's First Law of Motion, Forces and Motion, Energy, Momentum and Circular Motion,...

https://www.khanacademy.org/science/physics/d

• Community Questions
• One-dimensional motion
• Two-dimensional motion
• Forces and Newton's Laws of Motion
• Work and energy
• Impacts and linear momentum
• Moments, torque and angular momentum
• Gravitation
• Oscillatory motion
• Fluids
• Thermodynamics
• Electricity and magnetism
• Waves and optics

Química: lições e exercícios online

http://www.sophia.org/chemistry-topic

• Chemical Bonding
  
• 3 M's: Matter, Metrics and Measurement
  
• Solutions
  
• Acids and Bases
  
• Periodic Table and Trends
  
• History of the Atom: Atomic Structure
  
• Chemical Reactions
  
• The Mole
  
• Thermochemistry
  
• Reaction Rates and Equilibrium
  
• Stoichiometry
  
• Intermolecular Forces and States of Matter
  
• Compound Names and Formulas
  
• Gas Laws

https://www.khanacademy.org/science/chemistry/d

• Community Questions
• Introduction to the Atom
• Orbitals and Electrons
• Periodic table, trends, and bonding
• Chemical reactions (stoichiometry)
• Ideal gas laws
• States of matter
• Reaction rates
• Acids and bases
• Oxidation reduction
• Radioactive decay

Aulas online

Lições por entidades credenciadas
Física Química e outras matérias
Khan Academy

Nanotecnologia

Nanooze for kids