# Measuring thickness of a coin in Learning how to measure – Class 6 Science Experiment

**Chapter Name: Learning how to measure**

**Activity Name: Measuring thickness of a coin** **in Learning how to measure**

**Activity Description: **

In this experiment, you will measure the thickness of a coin using a stack of coins and a scale. You will also explore the limitations of using a meter scale to measure curved lengths.

**Required Items:**

- 10 one rupee coins of the same size
- Scale or ruler
- Textbook

**Step by Step Procedure:**

- Gather 10 one rupee coins of the same size.
- Place the coins one upon the other, aligning them as best as possible.
- Use a scale or ruler to measure the total thickness of the stack of coins. Note down this measurement.
- Divide the total thickness by the number of coins (10 in this case) to calculate the thickness of one coin.

To measure the thickness of a page of your textbook:

- Take a single page from your textbook.
- Place the page on a flat surface.
- Use a scale or ruler to measure the thickness of the page.

**Experiment Observations:**

- Measure the total thickness of the stack of coins.
- Divide the total thickness by the number of coins to determine the thickness of one coin.
- Measure the thickness of a single page from your textbook.

**Precautions:**

- Handle the coins and the page of the textbook carefully to avoid any damage.
- Ensure that the coins are aligned properly when stacking them.
- Place the scale or ruler perpendicular to the coins or page to get an accurate measurement.

**Lesson Learnt from Experiment: **

- By stacking the coins and measuring the total thickness, we can determine the thickness of a single coin.
- The experiment demonstrates the concept of measuring thickness using a scale or ruler.
- We cannot measure curved lengths, such as the perimeter of a bucket or a tava, with a meter scale because the scale is designed to measure straight distances. Curved lengths require other measuring tools like a flexible tape measure or string to get an accurate measurement.