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  • Chapter 1 - Plant Life Cycles - Lesson 1 - Plants and Their Parts - P1 - 30 phút
  • Chapter 1 - Plant Life Cycles - Lesson 1 - Plants and Their Parts - P2 - 30 phút
  • Chapter 1 - Plant Life Cycles - Lesson 2 - Flowers and Fruits - P1 - 30 phút
  • Chapter 1 - Plant Life Cycles - Lesson 2 - Flowers and Fruits - P2 - 30 phút
  • Chapter 1 - Plant Life Cycles - Lesson 3 - Plants Grow and Change - 30 phút
  • Chapter 1 - Plant Life Cycles - Lesson 4 - Plants and Their Homes - 30 phút
  • Chapter 1 - Plant Life Cycles - Lesson 5 - Vocab Review - 30 phút
  • Chapter 2 - Animal Life Cycles - Lesson 1 - Kinds of Animals - P1 - 30 phút
  • Chapter 2 - Animal Life Cycles - Lesson 1 - Kinds of Animals - P2 - 30 phút
  • Chapter 2 - Animal Life Cycles - Lesson 2 - Mammals - 30 phút
  • Chapter 2 - Animal Life Cycles - Lesson 3 - Animals from Eggs - 30 phút
  • Chapter 2 - Animal Life Cycles - Lesson 4 - How Animals Look and Act - 30 phút
  • Chapter 2 - Animal Life Cycles - Lesson 5 - Vocab Review - 30 phút
  • Chapter 3 - Earth's Minerals - Lesson 1 - Rocks - P1 - 30 phút
  • Chapter 3 - Environments Change - Lesson 1 - Change Their Environment - 30 phút
  • Chapter 3 - Earth's Minerals - Lesson 2 - Rocks - P2 - 30 phút
  • Chapter 3 - Earth's Minerals - Lesson 3 - Rocks Change - 30 phút
  • Chapter 3 - Earth's Minerals - Lesson 4 - Soil - 30 phút
  • Chapter 3 - Earth's Minerals - Lesson 5 - Vocab Review - 30 phút
  • Chapter 4 - Earth's Past - Lesson 1 - Fossils - 30 phút
  • Chapter 4 - Earth's Past - Lesson 2 - Finding Clues in Fossils - 30 phút
  • Chapter 4 - Earth's Past - Lesson 3 - Fossiles of California - 30 phút
  • Chapter 4 - Earth's Past - Lesson 4 - Vocab Review - 30 phút
  • Chapter 5 - Earth's Resources - Lesson 1 - Natural Resources - 30 phút
  • Chapter 5 - Earth's Resources - Lesson 2 - Plant and Animal Resources - 30 phút
  • Chapter 5 - Earth's Resources - Lesson 3 - Resources of California - 30 phút
  • Chapter 5 - Earth's Resources - Lesson 4 - Vocab Review - 30 phút
  • Chapter 6 - Objects in Motion - Lesson 1 - Position - 30 phút
  • Chapter 6 - Objects in Motion - Lesson 2 - Motion - 30 phút
  • Chapter 6 - Objects in Motion - Lesson 3 - Pushes and Pulls - 30 phút
  • Chapter 6 - Objects in Motion - Lesson 4 - Changing Motion - 30 phút
  • Chapter 6 - Objects in Motion - Lesson 5 - Vocab Review - 30 phút
  • Chapter 7 - Forces at Work - Lesson 1 - Tools and Machines - 30 phút
  • Chapter 7 - Forces at Work - Lesson 2 - Gravity - 30 phút
  • Chapter 7 - Forces at Work - Lesson 3 - Magnets Push Pull - 30 phút
  • Chapter 7 - Forces at Work - Lesson 4 - Sound - 30 phút
  • Chapter 7 - Forces at Work - Lesson 5 - Vocab Review - 30 phút