Matter in Our Surroundings
States of matter and their interconversion.
Work through the chapters in order, or continue with the one you need today.
States of matter and their interconversion.
Mixtures, solutions and separation.
Laws of chemical combination and the mole.
Electrons, protons, neutrons and atomic models.
Cell structure and organelles.
Distance, displacement, velocity and acceleration.
Newton's three laws and momentum.
Universal law of gravitation, mass and weight.
Work, kinetic and potential energy, power.
Relate specialised plant and animal tissues to their structures and functions.
Model sound as a wave and connect its measurable properties to hearing and applications.
Compare methods that raise dependable food production while protecting health and resources.