Bổ trợ: 

http://activities.macmillanmh.com/science/ca/index.html

  • Chapter 1 - Structure of Living Things - 30 phút
  • Chapter 2 - Plant Structures and Functions - 30 phút
  • Chapter 3 - Human Body Systems - 30 phút
  • Chapter 4 - Earth's Water - 30 phút
  • Chapter 6 - The Solar System - 30 phút
  • Chapter 7 - Types of Matter - 30 phút
  • Chapter 8 - Changes in Matter - 30 phút