K-5 friendly lesson
Try one idea, then jump into the activity.These lessons are designed to feel short, friendly, and easy to follow.

Compare Size, Weight, and Capacity

🐘 How heavy is a hippo? How much water fits in a bathtub? Let's explore how to measure weight and capacity!

Lesson 2

Concept

We measure different things in different ways. We already learned length (how long) and height (how tall). šŸŽÆ **Weight (How Heavy):** When we pick something up, we feel its weight. * We use the words: **Heavy, Heavier, Heaviest** and **Light, Lighter, Lightest**. * A bowling ball is heavy. A feather is light. šŸŽÆ **Capacity (How Much It Holds):** When we fill a container with liquid (like water) or sand, we measure its capacity. * We use the words: **Holds More**, **Holds Less**, or **Holds the Most / Least**. * A bathtub holds more water than a teacup. A swimming pool holds the most water! When comparing size, always ask yourself: Am I measuring how heavy it is, or how much stuff fits inside it?

Try it

Let's measure up the world! **Instructions:** Read the comparison and circle the right answer. **1. Which animal is HEAVIER?** A) A blue whale šŸ‹ B) A tiny mouse 🐁 **2. Which container HOLDS MORE water?** A) A plastic water bottle šŸ¼ B) A big family swimming pool šŸŠā€ā™‚ļø **3. Which object is LIGHTER?** A) A giant rock 🪨 B) A single leaf from a tree šŸ‚ **4. A thimble is tiny! A bucket is big. Which one holds LESS?** A) The bucket B) The thimble