KidSafe Play
Quản lý con 👶
Ngôn ngữ
EN VI
Đăng nhập
The tallest tree is so big you'd need a very long tape to measure it.

The tallest tree is so big you'd need a very long tape to measure it.

A giant redwood tree can grow taller than 100 metres. That's higher than a tall building — far too big for one ruler to measure!

↔️ Tất cả điều thú vị về Đo kích thước →

Thêm điều thú vị về Đo kích thước

A ruler helps us measure how long or tall something is. A ruler helps us measure how long or tall something is. We measure how tall you are in centimetres and metres. We measure how tall you are in centimetres and metres. One metre is about as long as a big step or a baseball bat. One metre is about as long as a big step or a baseball bat. We use a scale to measure how heavy something is. We use a scale to measure how heavy something is. Long ago, people measured things using their own feet and hands. Long ago, people measured things using their own feet and hands.