Vigyaan ko kisi vidha mein prayog karana ya kisee projekt ka modal taiyaar karana sains ektivitee kahalaata hai. chhaatren ke lie pustak mein sains projekts hain, jisamen ve vigyaan ke kisee jatil siddhaant ko samajhane ke lie pustak mein diye gaye nirdeshon ka paalan kar kisee ek pareekshan ko poora kar sakate hain. prastut pustak School Projects and Activities mein vaigyaanik prayogon par aadhaarit aisee 25 gatividhiyaan dee gayee hain, jise padhakar chhaatr apane aas-paas ghatane vaalee kautuhalapoorn ghatanaon ke saath-saath vishv ke sadooratam bhaagon ke baare mein bhee rochak jaanakaariyaan haasil kar sakate hain. pustak nchairt paathyakram ke anukool hai. isase praapt prerana ke aadhaar par ve svayan bhee kuchh any naye pareekshan karane ko prerit honge tatha vigyaan kee is adbhut duniya ko dekhakar ve isaka aanand utha sakate hain. yah pustak skoolee bachchon ke lie behad upayogee hai. pustak kee pramukh visheshataenh aakarshak chitren se susajjit manoranjak evan gyaanavarddhak paathyakram anusaar vidhivat jaanakaaree sahit vibhinn kakshaon ke anukool gredid