UNIT 1 (UNIT 5 from the Book)
92 The Universe
94-95 The Solar System
96-97 Movements of the Earth; Life on Earth
98-99 The moon: Movements; phases; Eclipses; Tides
100 History of Space exploration
101 Space technology
102-103 Challenges on Earth
UNIT 1 (UNIT 5 from the Book)
92 The Universe
94-95 The Solar System
96-97 Movements of the Earth; Life on Earth
98-99 The moon: Movements; phases; Eclipses; Tides
100 History of Space exploration
101 Space technology
102-103 Challenges on Earth
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