start> main content> s3: changing substances> m4: reaction on heating> m4.5: air main content menu Start User guide Teachers’ Guide Main content menu Substances A1 Melting/Freezing B1 The particle theory C1 The gas state D1 The three states E1 Density Mixtures F1 Melting behaviour G1 Evaporation of water H1 Condensation of water I1 Recognising dissolving J1 Solubility K1 Separating mixtures Changing substances L1 Structures M1 Chemical change Advanced substances N1 Crystals O1 Change of state P1 Gas and pressure Advanced mixtures Q1 Diffusion R1 Rate of evaporation S1 Rate of dissolving T1 Chromatography Advanced changes U1 Formulae V1 Fire W1 Acids

M4.5 HEATING IN THE AIR LINKS Oxygen is part of the air. Watch the videos and compare the reactions when magnesium is heated in air and when copper is heated in air. Notes: see Teachers’ Guide   teachers’ guide m7 more info m1: changing m2: mixing reaction m3: calcium water m4: heating reaction m5: in solution m6: decomposition m7: dehydration more info < prev | next >

a Science Enhancement Programme CD-ROM 2005   user guide