YEAR 2
The scientific enterprise
• Scientific knowledge
• Physical and chemical changes
• Physical quantities. Units and measurement
• Scientific language
• Laboratory equipment. Safety guidelines
• Science, technology and society
1 Matter
• The properties of matter
• Pure and mixed substances
• Liquid solutions
• Methods for separating mixtures
• Suspensions and colloids
2 The states of aggregation
• The properties of the states of aggregation
• The kinetic theory of matter
• Pressure and temperature
• Gas laws
• State or phase changes
• Phase change diagrams
3 The atom
• Matter is formed by atoms
• Characteristics of atoms
• Atomic number and mass number
• Ions
• Can we see atoms?
4 Chemical substances
• Chemical elements
• Simple substances and compounds
• Molecules and crystals
• Molecular masses and chemical formulas
• Applications of chemical elements
5 Chemical changes in matter
• Chemical changes in matter
• Chemical reactions
• The properties of chemical reactions
• Natural and artificial products
• Sustainable chemistry and SDG commitment
• Chemical reactions and the environment
6 Forces and motion
• Forces
• Motion
• Elastic deformation. Hooke’s law
• Simple machines
• Common forces
• Gravitation in the universe
7 Energy. Mechanical Energy
• Energy
• Manifestation of energy
• Energy exchange
• Mechanical waves
• Sound
8 Thermal energy
• Thermal energy and temperature
• Thermal equilibrium
• Effects of heat
• Heat propagation
• Electromagnetic waves (EM waves)
• Light
9 Energy sources
• Energy sources
• Main uses of energy
• Problems derived from energy consumption
• Possible solutions to the energy problem
• Sustainable development
Scientific knowledge
• What is science?
• Physics and chemistry
• Physical quantities. Units and measurements
• Measuring instruments. Errors
• Multiples and submultiples
• The language of science
• Laboratory equipment. Safety rules
1 Gas
• States of aggregation
• The kinetic theory of matter
• Changes in states
• Ideal gas laws
• The Earth’s atmosphere
2 Solutions
• Substances, mixtures and materials
• Solutions, suspensions and colloids
• Concentration of a solution
• Solubility of solids
• Water. Characteristics and pollution
3 The atom
• First ideas about the atom
• From the electrical nature of matter to the first atomic model
• From radioactivity to the nuclear model of the atom
• The nucleus of the atom
• Classification of the elements
• Atomic orbitals
• Radioactivity
4 Chemical substances
• Simple substances and compounds
• Atoms bond
• Chemical bond
• Molecules and crystals
• Chemical formulas
• Industrial, biomedical and technological applications
• Appendix. Nomenclature
5 Chemical reactions
• Changes in the composition of substances
• Atomic theory of chemical reactions
• Chemical equations
• Laws of chemical combination and chemical equations
• Amount of substance
• Chemistry, environment and society
6 Forces and its effects
• Forces
• Deformation
• Motion
• Everyday forces
• Newton’s laws
• Simple machines
7 Nature of forces
• Gravitational force
• Electrostatic force
• Magnetic force
• Electromagnetism
8 Circuits
• Electric current
• Electric circuit
• Ohm’s law
• Kirchhoff’s laws
• Electric devices
• Electronics
9 Energy sources
• Rational use of energy
• Electrical power stations
• Transport and distribution of electrical energy
• Electrical energy and power
• Electrical energy in our homes
Scientific activity
• Scientific research
• Physical quantities and units
• Measuring physical quantities. Errors
• Analysing experimental data
• Research project: general factors
• Research project: an Earth without iron
• Research project: Mars 2031
1 The atom and the periodic table
• The first atomic models
• Atomic spectra and the Bohr model
• Quantum model for the atom
• The periodic table of the chemical elements
• Atomic masses
• Appendix. Nomenclature
2 Chemical bonds and intermolecular forces
• The chemical bond
• Ionic bonds
• Covalent bonds
• Intermolecular bonds
• Metallic bonds
• Summary of the properties of chemical compounds
3 Compounds of carbon
• The carbon atom
• Allotropes of carbon
• Formulas and molecular models
• Hydrocarbons
• Compounds of carbon with oxygen and nitrogen
• Molecules of special interest
4 Chemical reactions: fundamentals
• Chemical changes
• Reaction rate
• Amount of substance
• Stoichiometric calculations
• Energy in chemical reactions
5 Some important chemical reactions
• Acids and bases
• Combustion reactions
• Importance of combustion reactions
• Synthesis reactions
6 Kinematics
• Frame of reference
• Quantities of motion
• Types of motion
• Linear motion
• Circular motion
• Interpreting graphs
7 Newton’s laws of motion
• Forces
• Everyday forces
• Newton’s laws of motion
• Newton’s laws of motion in everyday motion
8 Forces in the universe
• Historical evolution of the study of universe
• Gravitational forces
• Applications of the universal law of gravity
• Artificial satellites in orbit
9 Forces in fluids. Pressure
• Pressure
• Hydrostatic law
• Archimedes’ principle
• Pascal’s law
• Atmospheric pressure
• Meteorological concepts
10 Mechanical energy and work
• Energy
• Work
• Power
• Kinetic energy
• Potential energy
• Conservation of mechanical energy
• Energy transport via mechanical waves
11 Thermical energy and heat
• Thermal energy. Temperature
• Thermal equilibrium. Heat and transfer
• Effects of heat
• Heat engines
• Energy loss