Unit 5 - May the force be with you

Content

• Contact and non-contact forces.
• Static electricity (positive and negative).
• Force fields, both magnetic and electrostatic.
• Atoms, elements and periodic table (from unit 1).
• Sub-atomic particles.
• Electronic configuration up to z = 20.
• Inter-particular forces.
• Formation of simple ions
• Polyatomic ions (nitrate, sulfate, carbonate, hydroxide, ammonium).
• Ionic bonding.
• Ionic structure and properties.
• Covalent bonding.
• Covalent structure and properties.

Skills and understanding

• The manifestation of forces in the natural world
• Magnetic forces and fields
• Adaption of species.
• Interparticulate attractive forces.
• The link between structure and property.
• Recall the formulae of simple and polyatomic ions

Unit 5 - Physical Science Extension

Content

• Electrostatic forces and interparticular attraction
• Isotopes
• Stable and unstable nuclei - radioactivity
• Half-life
• Litvinenko story
• Ionic solutions and conductivity
• Electrolysis

Unit 5 - Life Science Extension

Content

• Phototropisms (phototropism with cress)
• Gravitropism growing seeds in the cabinet and rotating them (mung)
• Isotopes
• Stable and unstable nuclei - radioactivity
• The biological effects of radiation
• The Goiânia incident
• Biological molecules (carbs, lipids, proteins)
• Ions /electrolysis