What to do. 1  Mix small amount of each food sample with distilled water to make a test liquid. 2  To a test tube, add 40 drops of liquid to be tested. 3  If testing more than one liquid, label each test tube with a marker.  Add 10 drops of Benedict's solution to each test 1  tube. Note any color change.
Niagara Falls: Annual Weather Averages. July is the hottest month in Niagara Falls with an average temperature of 22Â°C (72Â°F) and the coldest is January at -4Â°C (25Â°F). Average Temperature: Niagara Falls.
The average air temperature of the twin Cities of Niagara Falls varies wildly, from 18Â°F in Jan/Feb to 80Â°F in July. It is also fairly large, at 195,364 square miles. 2  This means that the average temperatures vary across the country. 3  To get a better 4  â¦. Barga, Italy Barga is a small town located in the province of Lucca in Tuscany, Italy.