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Well for this questions the method used by scientist are tecnicaly different than others well most suit of what atoms they could find in their place so its easier. But most do say that they put a chemical and if it bubbles its a mixture and if their are no ubble it is a pure substance
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What element had not been discovered in the middle ages?
The people of the middle ages mostly believed in four elements: fire, earth, air, and water. Arsenic, antimony, and bismuth were discovered in the middle ages, but medieval people did not know they were elements any more than they knew that gold, copper, iron, and silver were elements. The idea of actual chemical elements was something that came later.
Spartacus what nationality is the name?
The name "Spartacus" is a Latin name. It had no nationality as such. The rebel gladiator Spartacus was said to be from Thrace and also was said to have served in the Roman army. Many auxiliaries either Latinized their names or changed them completely to a Latin (Roman) name.
When was the first wheel used?
Wheels are known to have been used in ancient Mesopotamia from the third millennium BC, about 5,000 years ago. Prehistoric wheels may have existed, but no remains have been found.
Which civilization believed in the mandate of heaven?
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When was it believed that humankind began?
more than 3 million years ago which was when Lucy, an adult female humanoid was found, but some scientists believe humankind started to separate from apes about 6 million years ago. however homo-sapiens (that's us) were only found at 200,000 years ago (NOT THAT LONG AGO COMPARED TO THE MILLIONS OF YEARS before we existed).
In the middle ages most scientists believed that the world was made from four simple elements and that almost everything was a mixture. Which Type of pure substance had they not yet discovered?
Well for this questions the method used by scientist are tecnicaly different than others well most suit of what atoms they could find in their place so its easier. But most do say that they put a chemical and if it bubbles its a mixture and if their are no ubble it is a pure substance
What did people believe that things were made out of before cells were discovered?
Before cells were discovered, many people believed that living things were made of a mysterious substance called "vital force" or "vital essence." This substance was thought to give living organisms their characteristics and separate them from non-living matter. It wasn't until the discovery of cells that scientists understood the true building blocks of life.
Who is the philosopher that believed the substance from which everything is made is water?
Thales of Miletus is the philosopher who believed that the substance from which everything is made is water. He is considered one of the Seven Sages of Greece and is regarded as one of the earliest thinkers in Western philosophy.
Did scientists think that heat was a substance called caloric?
Yes, in the 18th and early 19th centuries, scientists believed that heat was a substance called caloric that could be transferred between objects during heating or cooling processes. This theory was later replaced by the kinetic theory of heat.
Why did early scientists think that potash was an element?
Early scientists believed potash was an element because it could not be broken down further by known chemical processes at the time. It was later discovered to be a compound of potassium, oxygen, and other elements.
Thales the Greek astronomer concluded that everything that exists comes ultimately from?
Thales concluded that everything that exists ultimately comes from water. He believed that water was the fundamental substance from which all things originated.
How did scientists know that whales once walked the earth?
they believed that whales had legs and one whale was found with a small leg but it was discovered that a chinese farmer put the leg in the whale skeleton
Why are the inert gases called by this term?
The Noble gases were known as inert gases because it was believed that they were completely unreactive. This is no longer true as scientists have discovered compounds containing noble gas elements.
Scientists once believed that modern?
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Who determined that everything was made of water?
The ancient Greek philosopher Thales is credited with proposing that everything in the world is made of water. Thales believed that water was the fundamental substance underlying all matter, a concept known as the "principle of water."
Who first discovered soap?
The ancient Sumerians are believed to have discovered soap around 2800 BC. They mixed water, alkali, and animal fat to create a substance that cleaned clothing and cooking utensils.
Did scientists think heat was a substance called caloric?
Yes, scientists in the 18th and early 19th centuries believed heat was a substance called caloric, which was thought to flow from hotter to colder bodies. This theory was later replaced by the kinetic theory of heat in the mid-19th century.
