Term+3

Term 3 Mr S in South Korea The Demilitarised Zone media type="youtube" key="GYb5Vcs9gFk" width="560" height="315"

media type="youtube" key="9R-qZvw26rA" width="560" height="315"

Science: Endo- and Exo- thermic reactions

media type="youtube" key="yvyHVA1Ww_M" width="420" height="315"