lower secondary science notes 2022 (free)

Overall notes of lower secondary topics that I made for myself and decided to share it for others to use. It's a bit messy but everything is summarized and easily understood, you are free to save and download for your own revisions :D

14. Element Compound Mixture of Elements

o oo の Ca aj?
も e e
o q の e
o の ° o
o e o

e 201.2 > ee?

Q &
o le + ae
5 © の 6 の
Mixture of an Element Element Mixture of

and a Compound Compounds

The nature of the reactants
. Concentration

Surface Area
Addition of a catalyst
. Increasing the temperature

Freezing point

Melting point

Liquid — solid

Temperature / °C

Freezing Freezing
starts ends

liquid} liquid + solid solid

Time/min