19．Chairman Mao Tse-tung Talks with Guests from Asia,Africa and Latin America&(A.R.)

(Same as above)&(S.R.)

20．The Solar System&(A.R.)

The Sun;U S.S.R Builds Solar Boiler&(S.R.)

21．The Thought of Mao Tse-tung is the Victoriou Banner of the Great Revolution of the Chinese People&(A.R.)

(Same as above)&(S.R.)

22．The Chemist in the Steel Mill&(A.R.)

(Same as above)&(S.R.)

23．Inside the Atom&(A.R.)

Eyes That See Through Atoms&(S.R.)

24．The Technical Transformation of China's Agriculture&(A.R.)

(Same as above)&(S.R.)

25．The Properties of Gases&(A.R.)

Gas Analysis&(S.R.)

26．Electricity Today&(A.R.)

(Same as above)&(S.R.)

27．Agriculture:Foundation of the National Economy&(A.R.)

(Same as above)&(S.R.)

28．The Physical Properties of Substances&(A.R.)

The Nature and Properties of Matter&(S.R.)

29．Elements,Compounds and Mixtures&(A.R.)

Elements,Elementary Substances and Compounds&(S.R.)

30．Long Live Leninism&(A.R.)

(Same as above)&(S.R.)

31．Satellite Will Be Useful&(A.R.)

Earth Satellite,The Second Artificial Earth Satellite&(S.R.)

32．Heat,Steam,and Power&(A.R.)

(Same as above)&(S.R.)

33．Northeast China—Heavy Industry Base&(A.R.)

Everyone a Geologist&(S.R.)

34．China's Chemical Fertilizer Industry Leaps Forward&(A.R.)

(Same as above)&(S.R.)

35．Radioactive Elements&(A.R.)

Radioactivity;What is An Isotope?&(S.R.)

36．Ultrasonics&(A.R.)

Ultrasonic Waves in Our Life&(S.R.)

37．New Atomic Reactor and Cyclotron&(A.R.)

Atomic Fission&(S.R.)