1 STARTING SCIENCE 1
Exercise 1.1 1
Exercise 1.2 4
Exercise 1.3 8
Exercise 1.4 11
2 LOOKING AT LIVING THINGS 16
Exercise 2.1 16
Exercise 2.2 19
Exercise 2.3 23
3 ENERGY 28
Exercise 3.1 28
Exercise 3.2 31
4 EXPLAINING MATTER 37
Exercise 4.1 37
Exercise 4.2 41
Exercise 4.3 45
Exercise 4.4 48
5 SOLVENTS AND SOLUTIONS 52
Exercise 5.1 52
Exercise 5.2 55
Exercise 5.3 60
6 CELLS AND REPRODUCTION 64
Exercise 6.1 64
Exercise 6.2 67
Exercise 6.3 69
Exercise 6.4 73