# Water Curve

Topics: Boiling point, Temperature, Gas Pages: 4 (801 words) Published: March 18, 2013
The Heating Curve of Water
PHYSICSThe Heating Curve of Water
PHYSICS
CONTENTS PAGE

* INTRODUCTION ……………………… PAGE 2

* METHOD ………………………………. PAGE 3

* RESULTS ……………………………… PAGE 4

* CONCLUSION ……………………….... PAGE 6

* RESOURCE LIST …………………….. PAGE 7

INTRODUCTION
INTRODUCTION

This is a report on the heating and cooling curves of water. Matter is composed of molecules that are in constant motion. When these molecules gain enough energy to overcome the attraction between the molecules, a phase change occurs. There are three states or phases of matter. They are as follows: * Solid, has a fixed shape and volume.

* Liquid, takes on the shape of the container that it is in.

* Gas, completely fills the container it is in.

When gas molecules begin to bubble in a liquid, we say that the liquid is boiling. Cooling the liquid causes the molecules to move more slowly and rearrange themselves to form solids.

The heating curve of a graph shows when a solid changes its phase or state into a liquid then to a gas. This process is called Melting, moving from a phase or state of a solid into a liquid. The other process is Evaporation, moving from a liquid and changes its phase into a gas. The cooling curve of a graph shows when a gas changes its phase or state into a liquid then to a solid. The process of moving from gas into a liquid is called Condensation. The other process is called Freezing , moving from a liquid and changes its phase into a solid.

METHOD
METHOD

APPARATUS
* Thermometer
* Thermometer clamp
* Ring Stand
* Hot Plate
* Large Beaker
* Ice
PROCEDURE
Use the setup to the right to set up your experiment. Your goal is to investigate the phase change of water by recording temperature at different times while heating the ice in the beaker. Step 1: Make a data table to record time and temperature of your water at 30 second intervals. MAKE SURE YOU RECORD THE TEMPERATURE AT...