( ( As ( children ( learn ( ( facts and ) vocabulary ) ) ) ) ( , ( they ( ( develop ( ( the ability ) ( to ( ( ( ( ( ( ask ( scientific questions ) ) , ) ( plan ( experiments ( to ( answer ( these questions ) ) ) ) ) ) , ) and ) ( ( develop ( reasonable explanations ) ) ( based ( on ( their observations ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (SBAR (IN As) (S (NP (NNS children)) (VP (VBP learn) (NP (NNS facts) (CC and) (NN vocabulary))))) (, ,) (NP (PRP they)) (VP (VBP develop) (S (NP (DT the) (NN ability)) (VP (TO to) (VP (VP (VB ask) (NP (JJ scientific) (NNS questions))) (, ,) (VP (VB plan) (S (NP (NNS experiments)) (VP (TO to) (VP (VB answer) (NP (DT these) (NNS questions)))))) (, ,) (CC and) (VP (VB develop) (NP (JJ reasonable) (NNS explanations)) (PP (VBN based) (PP (IN on) (NP (PRP$ their) (NNS observations))))))))) (. .)))
As children learn facts and vocabulary, they develop the ability to ask scientific questions, plan experiments to answer these questions, and develop reasonable explanations based on their observations.
(ROOT (S (NP (PDT All) (NP (JJ scientific) (NNS explanations)) (CC and) (NP (NNS interpretations))) (VP (VBN based) (PP (IN on) (NP (NNS facts)))) (. .)))