Science Revision

Science Revision

1. Particles

   • Particles make up different things depending on how closely packed they are.
     • Solid - very closely packed in rows.
     • Liquid - close together but with no arrangement.
     • Gas - not at all close and moving fast

2. Cells

   • All living things are made from cells
   • Diagram
     • Cytoplasm - where chemical reactions happen.
     • Membrane - lets substances in and out of cell
     • Nucleus - contains genes and controls cell
   • Some cells are specialised cells. This means that they have adapted to do a certain job.
     • Nerve cell (neurone)
     • Red Blood cell
     • Sperm cell
     • Egg cell (ovum)
     • Ciliated Epithelial cell
     • Rot Hair cell

3. Solutions

4. Microbes

5. Forces

   • Types of force
     • Upthrust
     • Gravity
     • Magnatisam
     • Thrust
     • Lift
     • Drag
     • Electricity
     • Friction
     • Nuclear
   • Key words
     • Newtons (what force is measured in)
     • Direction

6. Energy

   • Fuel
     • Coal
     • Oil
     • Gas
     • Something that is burnt to produce heat or power
   • Types of energy
     • Light
     • Sound
     • Electical
     • Kinetic (movement)
     • Elastic
     • Gravitational
     • Thermal (heat)
     • Chemical
     • Nuclear

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