Six lessons cover this chapter, one for each section. Open any of them on its own below, or meet it in place inside chapter 1 of the book. Tick a lesson off once you can predict what it will do before you touch it.
1
Matter and its states
Heat, cool and squeeze a sample and watch the particles change state.
2
Physical and chemical properties
Sort real changes into physical or chemical and see why.
3
Measurement and SI units
Build any measurement from the seven base units and their prefixes.
4
Uncertainty and significant figures
Read instruments, count significant figures and round a calculation.
5
6
Density and temperature
Float, sink and measure density; convert between the three temperature scales.