This is one great series on science that I love to watch with my kid. Bill Nye present cool scientific facts in such a fun and wacky manner that get us cracking up while learning something cool.
Take this clip from the episode “Chemical Reactions” Chemical is explained in a kitchen setting and something kids love ..like baking brownies.
Where you can find this series
Singapore’s National Library is well stock with the DVDs.
Alternatively, check out Amazon for some titles.