Tutor and Freelance Writer. Science Teacher and Lover of Essays. Article last reviewed: 2020 | St. Rosemary Institution © 2010-2021 | Creative Commons 4.0

Temperature of Hot Water and Cooling Rate Lab

Introduction: The rate at which an object cools (i.e. how quickly its temperature decreases) depends upon several factors, including: Surface area Volume Type of insulation Temperature difference with the surroundings For this investigation, the effect of the temperature of water upon the rate of cooling will be investigated. The temperature-drop over 5 minutes (600 seconds)…

Hamlet Character Relationships

Relationship Description Evidence Claudius and Gertrude Gertrude is trusting of Claudius When Hamlet kills Polonius, Gertrude confides in Claudius. Claudius loves Gertrude to an extent Claudius stops Gertrude from drinking the poisoned wine that was meant for Hamlet. Gertrude protects Claudius Gertrude is always defending Claudius. For example, when Claudius is disturbed by Hamlet’s play,…

Essay: How the Pigs Took Over the Farm in George Orwell’s Animal Farm

In the masterfully constructed novella “Animal Farm” (1945) written by George Orwell, a group of animals revolt against their human masters only to become exactly like the powers and injustice they first fought against. However, on a larger scale, Animal Farm is considerably one of the most controversial and enduring novellas. It is widely regarded…

Asthma: Causes, Pathophysiology, Treatment

A disease characterized by variable, recurrent, reversible airway obstruction with intermittent episode of wheezing and dyspnea. It is associated with bronchial hypersensitivity and inflammation caused by various stimuli. Asthma is the most common chronic disease of childhood with 5% to 10% of school-aged children having symptoms of asthma. Asthma may develop on infants, but it…

Coronary Artery Disease (Ischemic Heart Disease): Overview & Coronary Artery Disease (Ischemic Heart Disease): Overview & Pathophysiology

Coronary artery disease is a condition  in which fatty deposits (atheroma) accumulate in the cells lining the wall of the coronary arteries. These fatty deposits build up gradually and irregularly in the large branches of the two main coronary arteries which encircle the heart and are the main source of its blood supply. This process…