Journal 3
Analyse why red sunsets can sometimes be more impressive when there is more dust or pollution in the air than usual.
Red sunsets are more impressive when there is pollution because light reflects and refracts of the dust and pollution particles.
Describe what happens inside water droplets to cause a rainbow and explain how you can tell whether a rainbow is a primary or secondary
The light is first refracted as it enters the surface of the raindrop, reflected off the back of the drop, and again refracted as it leaves the drop. You can tell a rainbow is primary is one rainbow while a secondary is a smaller fainter rainbow above the primary rainbow which is a normal rainbow.
Create a free edublog to get your own comment avatar (and more!)