Year 9 Science: Study Notes, Worksheets and Online Practice Questions



Conservation and dissipation of energy

Changes in energy .stores Energy and work, Gravitational potential energy , Kinetic energy, Energy Efficiency


Heat and Energy Transfer

Density, Internal energy, Specific latent heat, Gas pressure & temperature, Energy transfer by conduction, Specific heat capacity


Atomic Structure and radioactivity

The structure of an atom , Mass number, atomic number and isotopes, The development of the model of the atom, Atoms and radiation, Alpha, beta & gamma radiation,  Activity & half-life



Atomic structure and the periodic table

A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes ,The periodic table and its development over time , Properties of Group 1, Group 0, Group 7 and transition metals


Chemical bonding

Chemical bonds: ionic, covalent and metallic, How bonding and structure are related to the properties of substances, How bonding and structure are related to the properties of substances, Structure and bonding of carbon


Chemical Reaction

Reactivity of metals , Reactions of acids


Properties of matter

Bulk and surface properties of matter including nanoparticles. Polymers: HDPE, LDPE, cross-linking and plasticizing


Living things and their habitats

Animals, including humans

Evolution and inheritance



This is the final year of the Key Stage 2 science curriculum and the main areas are still:

  • Life processes and living things
  • Materials and their properties
  • Physical processes
Scroll to Top