P1c A Spectrum of Waves

You need to be able to:

• Describe and calculate various values for transverse waves (wavelength, amplitude, frequency, wave speed, using values from diagrams)
• Describe the wave types in the electromagnetic spectrum and their uses (specifically communications uses)
• Describe and explain reflection, refraction and diffraction of waves

1. 
   
2. Some practise wave equation questions...
3. ...and some more
4. 
   
5. Games using the key vocabulary
6. Notes on reflection, refraction and diffraction

P1b Keeping Homes Warm

You need to be able to:

• Explain heat energy transfer by conduction, convection and radiation (linked to home and appliance design and including absorption and emission of IR)
• Explain why heat conservation methods work, and evaluate different methods (air as an insulator, maximising heat energy to inside, minimising heat energy transfer to atmosphere, payback time)
• Use the fact that energy is conserved in energy efficiency calculations

2. Another blog covering conduction, convection and radiation
3. How surfaces affect absorption and emission of. IR  

P1a Heating Houses

You need to be able to:

• Explain the differences between heat energy and temperature
• Explain thermograms and state change graphs in terms of temperature and heat energy
• Use specific heat capacity and specific latent heat equations to calculate various quantities (energy in J, mass in kg, temperature change in oC)

2. 
3.  
5. Specific heat capacity calculations tutorial

C1h Paints and Pigments

You need to be able to:

• Describe the ingredients in and explain the structure of paints (colloids)
• Explain how oil pains and how emulsion paints dry
• Describe and explain the uses of thermochromatic and phosphorescent pigments

1. Paints and pigments notes from Bitesize
2. Paints video...
3. And another...
4. Watching paint dry animation and notes

 

C1g Smells

You need to be able to

• Describe and explain the formation and properties if esters in synthetic perfumes
• Explain how esters can be used as solvents (or why water won't remove nail polish)
• Explain the need to test cosmetics, and opinions surrounding testing on animals

1. Esters notes from BBC Bitesize
2. Soluble and insoluble materials BBC clip
3. Cosmetics testing notes

 

C1f Food

You need to be able to

• Explain what cooking does to foods and why this makes them easier to digest
• Explain the action of emulsifiers
• Construct balanced equations showing how baking powder (sodium hydrogen carbonate) works, and how you can test for the gas made

1. Chemistry of cooking explanations
2. Kitchen Science - eggs
3. Flash emulsifier simulation
4. Emulsifiers notes from the BBC
5. Baking powder chemistry from the BBC
6. 

C1e Designer Polymers

You need to be able to:

• Explain links between polymer properties and uses (including bonding and models of structures)
• Explain properties of Gore-Tex(R) and nylon
• Explain issues with the use of polymers (environmental and economic)

1. Designer polymers notes from the BBC (look at all 4 pages)
2. 
3. Examples of designer polymers and issues with polymers