---
title: "Dinosaur Sizes"
description: "Compare dinosaur sizes to familiar things — some dinosaurs were as tall as a house, others were as small as a chicken — and understand that dinosaurs came in a huge range of sizes"
canonical: https://lightmysky.com/learn/science/dinosaur-sizes-mt_u0TeRwRII_
source: https://lightmysky.com/learn/science/dinosaur-sizes-mt_u0TeRwRII_.md
retrieved: 2026-10-19
---

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# Dinosaur Sizes

Compare dinosaur sizes to familiar things — some dinosaurs were as tall as a house, others were as small as a chicken — and understand that dinosaurs came in a huge range of sizes

Subject: Science · Area: Dinosaurs & Paleontology · Ages 5 to 7
Page: https://lightmysky.com/learn/science/dinosaur-sizes-mt_u0TeRwRII_

## Ready when they can

- Compare the size of a large dinosaur to a familiar object like a bus or house
- Name a very large dinosaur (e.g. Brachiosaurus) and a small one (e.g. Compsognathus)
- Use words like 'taller than', 'longer than', 'heavier than' when comparing

## Lesson: How Big Were Dinosaurs?

Dinosaurs came in many sizes. Some were tiny. Some were huge, taller than a house.

*(drawing: Brachiosaurus was taller than a house. Compsognathus was tiny, like a chicken.)*

**Example.** Mia stands by a Brachiosaurus skeleton. It is taller than her house! Then she sees a tiny Compsognathus. It is about as small as a chicken.

**Tip.** Use words like taller than or heavier than. This helps you compare dinosaur sizes.

**Recap.** Dinosaurs ranged from house-sized giants to chicken-sized tinies.

## Practice

24 questions on this page, each with its working shown.

## Needs first

- [Famous Dinosaur Species](https://lightmysky.com/learn/science/famous-dinosaur-species-mt_BnabTHkNIp)

## Opens up

- [The Mesozoic Era](https://lightmysky.com/learn/science/the-mesozoic-era-mt_uQljqc0J5j)