Here's a breakdown of what it includes:

* Materials: This lists all the substances, tools, and equipment needed to carry out the experiment.

* Equipment: This specifically focuses on the tools and instruments used, including their size, type, and any special features.

* Procedure: This outlines the step-by-step instructions for conducting the experiment. It should be clear, concise, and detailed enough for someone else to replicate the experiment.

Example:

Materials:

* 100mL beaker

* Graduated cylinder

* Stirring rod

* Thermometer

* Sodium chloride (salt)

* Water

Equipment:

* Hot plate

* Bunsen burner

* Tongs

Procedure:

1. Fill the beaker with 50mL of water.

2. Heat the water on the hot plate to 50°C.

3. Carefully add 10g of sodium chloride to the beaker, stirring until dissolved.

4. Observe any changes in temperature.

The experimental procedure is a crucial part of any experiment. It ensures that the experiment is conducted consistently and allows for others to replicate and verify the results.