SME
Grade 9 Science
The chemistry of life: water and biomolecules
The main lesson, then each kind of problem it solves.
The chemistry of life: water and biomolecules
Main lesson
Dehydration synthesis: water and mass
Use this for “How many water molecules leave as the chain forms, or are needed to split it, and what is the polymer’s mass?”
Which class of biomolecule is it?
Use this for “Antibodies are made of which kind of molecule?”
Which property of water explains it?
Use this for “Why can an insect stand on the surface of a pond?”