P1.17-Waves and our Atmosphere

P1.17 Waves and our Atmosphere

Ultraviolet Radiation

• Too much exposure leads to; sunburn, skin ageing, skin cancer
• Sunscreen absorbs the UV and protects the skin
• Sun Protection Factor (SPF) is how many times as long you can spend in the sun without burning
  • (SPF 30 means you can spend 30 times as long in the sun wihtout burning)

Darker Skin

• The darker your skin, the…