1.탐구는어떻게할까요
1관찰,측정,분류,추리,예상,의사소통은어떻게할까요...5쪽
2.지층과화석
2지층은어떤모양일까요.........................9쪽
3지층은어떻게만들어질까요...............13쪽
4지층을이루는암석은무엇일까요.....17쪽
5퇴적암은어떻게만들어질까요...21쪽
6퇴적암에있는화석은어떻게만들어질까요...25쪽
7여러가지화석을어떻게분류할수있을까요...29쪽
8화석을이용해서무엇을알수있을까요...33쪽
9단원평가............................................37쪽
3식물의한살이
10서로다른씨의모습을관찰해볼까요.....41쪽
11식물의한살이를알아보려면어떻게해야할까요...45쪽
12씨가싹트는데어떤조건이필요할까요....49쪽
13씨가싹트는과정은어떠할까요....53쪽
14식물이자라려면어떤조건이필요할까요...57쪽
15식물이자란정도를어떻게확인할수있을까요..........61쪽
16꽃과열매를관찰해볼까요............65쪽
17식물의한살이는모두같을까요.....69쪽
18단원평가............................................73쪽
4물체의무게
19우리생활에서언제무게를측정할까요............77쪽
20무게를측정하는까닭은무엇일까요...81쪽
21물체의무게를어떻게비교할수있을까요..........85쪽
22양팔저울로물체의무게를어떻게비교할수있을까요......................89쪽
23용수철에물체를매달면어떻게될까요.............93쪽
24용수철저울로여러가지물체의무게를측정해볼까요.....................97쪽
25단원평가...............................101쪽
5혼합물의분리
26혼합물은무엇일까요.......105쪽
27혼합물을왜분리할까요.........109쪽
28알갱이의크기가다른혼합물은어떻게분리할까요.............113쪽
29철로된물질이섞인혼합물은어떻게분리할까요..................117쪽
30물에녹는물질과물에녹지않는물질은어떻게분리할까요..................121쪽
31단원평가..........................................125쪽
별책
정답과풀이.................................................2~15쪽
실험관찰풀이...........................................17~47쪽
