For children aged 8-14
A science course is a combination of physics, chemistry and biology. In the UK curriculum the Science course begins in Primary school.
Information is presented so that the child of a given age is able to perceive and assimilate it. In modern world the emphasis is shifted from memorizing facts to developing thinking. Children get facts in one click, but they cannot always analyze and interpret them.
Science classes allow children to develop scientific thinking and demonstrate to children that exploring the real world is just as interesting as the virtual one.