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Part 1 So Studies ����ƌW(xu��) 1.Continents ���� 2.The United States (Part One) ���������śr���ϣ� 3.The United States (Part Two) ���������śr���£� 4.Enemies of the Forest ɭ�ֵĔ��� 5.The First Humans *������ 6.Pyramids and Gods �����������` 7.ATulip Festival �����㹝(ji��) 8.An Inventor-Henry Ford һ����(chu��ng)���ߨD�D���������� 9.Methods of Coal Mining ú̿�_�ɷ�ʽ 10.Hong Kong, Marketplace of Asia (Part One) ��ۨD�D���޵��Ј����ϣ� 11.Hong Kong, Marketplace of Asia (Part Two) ��ۨD�D���޵��Ј�(�£� Part 2 Science ��Ȼ�ƌW(xu��) 12.Four Seasons �ļ� 13.Leaves �~�� 14.Rocks �rʯ 15.Shape of the Earth ������Π� 16.Gravity �f������ 17.Fresh Water ��ˮ 18.Instinct of Animals ����ı��� 19.From Electrons to Electric Current ����ӵ���� 20.Forces of Weather �Ɖ������ 21.Effects of Global Warming on the Arctic ȫ��׃ů�����O��Ӱ� Part 3 Life Encyclopedia ����ٿ� 22.Greedy, Selfish, and Honor Go Out to Dinner ؝������˽�͘s�uһ���ȥ��� 23.Joey and the Sad Tree �����ͱ����Ę� 24.Olympic Games �W��ƥ���\�ӕ� 25.Lost ��ʧ 26.Building Materials for Strong Bones �����Ĺ�����Ҫʲô 27.Protect Your Teeth ���o���X 28.Dressing for Good Health �������b 29.Michael Jordan, A Team Player �~�ˠ����̵����ԈFꠞ��� 30.Rock-and-Roll Music and Musicians �u�L������������ 31.St.Patrick's Day Desserts ʥ��������˹�(ji��)���c 32.Easter Activities ��(f��)�(ji��)��� 33.Clay Creations �������� 34.Paper Plate Parade ���P���ֹ�����