(A) Meter
(B) Kilometer
(C) Light year
(D) None of these
🧠 Explanation:
A light year measures distance in space, like how far light travels in a year. Imagine a super-fast car zooming across the universe! For kids, it’s like a ruler for measuring between stars or planets. It helps scientists know how far Earth is from other places in space. Learning about light years teaches children how big the universe is, like a giant playground. It shows how science measures faraway places, inspiring kids to dream about space travel. This encourages them to explore stars and planets, making space exciting and fun to learn about in school.