Scissors are commonly found on school supplies lists, but most students don't recognize them for the simple machines they are. This exploration of school buildings and grounds encourages critical thinking to uncover the simple machines that are often taken for granted and teaches basic physical science concepts in a fun way.
Humans have used weapons to fight their enemies since the dawn of history. Todays military arsenal is filled with the most accurate and sophisticated tools yet. Read all about these high tech weapons and the science that went into their development.
Describes how is petrol made.
SC Cilandak (Fluent) Super Skills How to Code in 10 Easy Lessons
This book's contain an excitement journey about how papers are made.'