Documents Physical and Chemical Changes. Matter Matter Pure Substances Elements e.g. carbon Compounds e.g....

Slide 1 Physical and Chemical Changes Slide 2 Matter Matter Pure Substances Elements e.g. carbon Compounds e.g. CO2, H2O Mixtures Solutions e.g. salt water Mechanical Mixtures…

Documents Greenhouse Effect* Two transparent windows: Solar radiation – visible (0.3-0.8 m) Earth...

Slide 1 Greenhouse Effect* Two transparent windows:  Solar radiation – visible (0.3-0.8  m)  Earth radiation – infrared (7-15  m) Major infrared absorbers:…

Documents What exactly is a budget? Do you or your parents have a budget? Definition: budg·et an estimate of....

Slide 1 What exactly is a budget? Do you or your parents have a budget? Definition: budg·et an estimate of income and expenditure for a set period of time Slide 2 Earth…