Problem:
How does table salt affect the boiling temperature of water?

Research:
Many cooking recipes give you the instruction of adding salt to the water when boiling something. This can do many things to the water and there must be a special reason why they tell [...]

INITIAL OBSERVATION
Cooking instructions tell you to add salt to water before boiling it.
PROJECT TITLE
The Effect of Salt on the Boiling Temperature of Water
PURPOSE OF THE PROJECT
To find out how table salt affects the boiling temperature of water.
HYPOTHESIS
Adding table salt to boiling water will cause the water to boil at a higher [...]

Difficulty Level:

Objective
The goal of this project is to make your own pH indicator paper, and use it to measure the acidity and alkanity of various solutions from around your house.
Introduction
Acidity and alkalinity are measured with a logarithmic scale called pH. Here’s why: A strongly acidic solution can have one hundred million million (100,000,000,000,000) times more [...]