Our World 2nd edition, Level 4, Unit 9
Why don't you fall out of a roller coaster when it goes through a loop? If you pedal harder, why does your bike go faster? A great way to introduce science to kids is to show them how it works in the world they know, which is typically the world of play. Come explore the world and the science that's in it from level 4 of Our World 2nd edition as we use double comparatives and definitions to find out how the world works.