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• S2.E1 ∙ Magnetism
• S2.E2 ∙ Wind
• S2.E3 ∙ Blood & Circulation
• S2.E4 ∙ Chemical Reactions
• S2.E5 ∙ Static Electricity
• S2.E6 ∙ Food Web
• S2.E7 ∙ Light Optics
• S2.E8 ∙ Bones and Muscles
• S2.E9 ∙ Ocean Currents
• S2.E10 ∙ Heat
• S2.E11 ∙ Insects
• S2.E12 ∙ Balance
• S2.E13 ∙ The Sun
• S2.E14 ∙ The Brain
• S2.E15 ∙ Forests
• S2.E16 ∙ Communication
• S2.E17 ∙ Momentum
• S2.E18 ∙ Reptiles
• S2.E19 ∙ Atmosphere
• S2.E20 ∙ Respiration