What were the 5 scientific discoveries of the Industrial Revolution?

I already hae the steam engine and a boat powered by the steam engine.

http://www.britannica.com/EBchecked/topic/528771/history-of-science/29338/Science-and-the-Industrial-Revolution

I only found the two scientifc discoveries that I already have.

During the Industrial Revolution, there were several scientific discoveries that had a profound impact on society. Here are five significant scientific discoveries of that era:

1. Electricity: The discovery and understanding of electricity revolutionized many industries during the Industrial Revolution. Scientists like Benjamin Franklin and Alessandro Volta conducted experiments and developed theories that led to the advancement of electrical theory.

2. Invention of the Telegraph: The development of the telegraph by Samuel Morse and Alfred Vail enabled rapid long-distance communication, transforming the way people communicated and conducted business.

To find the exact five discoveries, it would be helpful to consult historical sources or academic articles specifically focused on the scientific advancements during the Industrial Revolution. You can start with reliable online resources such as educational websites or digital libraries. Search for phrases like "scientific discoveries during the Industrial Revolution" or "scientific breakthroughs in the 18th and 19th centuries" to find relevant information. Additionally, referring to books or textbooks on the subject can also provide detailed insights into the scientific discoveries of that time.