3:36
[중2과학]물질의구성_원소,불꽃반응,선스펙트럼
계란과학 ScienceSummary
2:48
[중2과학]물질의구성_원소기호
2:23
[ENG SUB] atom : composition of matter : middle school chemistry
1:38
[ENG SUB] molecule : composition of matter : middle school chemistry
2:34
molecular formula : composition of matter : Korean middle school science
4:29
ion : composition of matter : middle school chemistry
2:47
precipitation reaction
3:30
[중2과학]동물과에너지_영양소
3:43
[중2과학]동물과에너지_소화
1:18
[Korean|Science] elements and atoms
1:21
[Korean|Science] flame response and spectrum
1:34
[Korean|Science] molecule and molecular formula
1:55
[Korean|Science] ions
1:46
[Korean|Science] precipitation reaction
1:27
[Korean|Science] triboelectricity
1:05
[Korean|Science] electrostatic induction
1:15
[Korean|Science] electric current
1:11
[Korean|Science] voltage
[중2과학]전기와자기_전류계
