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Scientists

This category is for questions about the people who apply the scientific method to solve problems, introduce new concepts, and strive to explain the natural world.

9,527 Questions

What are the the tests scientists use to identify minerals?

Hardness test based on the Mohs Scale of relative mineral hardness, specific gravity, streak test for mineral color, classification of mineral crystal system, chemical analysis.

Why are fossils so important?

Fossils are important to the humans because they help us learn about animals that are extinct (like dinosours). They can also help us with many clues as to how dinosours became extinct, and what they looked like.

What is a characteristic of cancer cells?

The most common characteristic of cancer cells is that they multiply rapidly. Cancer cells can multiply at a rapid pace and make the patient weak.

What contribution of niels bohr to chemistry?

* The Bohr Model of the atom, the theory that electrons travel in discrete orbits around the atom's nucleus. * The shell model of the atom, where the chemical properties of an element are determined by the electrons in the outermost orbit. * The correspondence principle, the basic tool of Old Quantum Theory. * The "Tear Drop Model" of the Atomic Nucleus. * Identified the isotope of uranium that was responsible for slow-neutron fission - 235U. * Lots of work on the Copenhagen Interpretation of quantum mechanics. * The principle of complimentary: that items could be separately analyzed as having several contradictory properties.

When scientists record the volume on a gas why do they also record the temperature and the pressure?

because the volume of the gas is dependent upon the temperature and pressure. This is also important in the identification of the molecular mass of an unknown gaseous element.

Who stated an Electron Must Occupy The Lowest Available Energy Orbital?

While I am not sure who stated it, that's a general tendency in nature, and not just for electrons - i.e., for systems to go to the lowest possible energy level.

How can scientists work together to perform investigations?

Mainly through updated scientic journals,conferences,internet forums among other basics such as phoning and emailing.

What was Louis Pasteur life past?

Louis Pasteur was a French Microbiologist and Chemist. He was born in 1822 in Dole, France. He belonged to a poor family and had an impoverished childhood. His father was a tanner. He was not a particularly bright student in school and was more interested in fishing and sketching.

How does Newton's third law not contradict his first law?

The applied force on the body should be more than the value of acceleration due to gravity to validate this law. Hence it should be stated in the law as

For every reaction there is an equal and opposite reaction force acting on it if the reaction force has its magnitude greater than acceleration due to gravity.

How do scientists come up with theories?

Scientists have to come up with hypotheses before they come up with theories. A hypothesis doesn't require confirmation, you can just think up anything that might possibly explain a given phenomenon, and only when a hypothesis is confirmed by observation and analysis does it advance to the status of a theory. The theories are easy, since they just come from confirmed hypotheses. It's the hypotheses which are hard to devise. So, how do scientists come up with hypotheses? For that, they draw upon all their scientific knowledge and all of their imagination and creativity.

Two reasons why a scientist might want to study the DNA of strawberries?

This would be researched most likely to create a larger, better or disease resistant strain of strawberries.

How do scientist divide animals kingdoms into smaller groups?

Starting with the many, many different kinds of animals scientists group the most similar together. At times they use information about how species evolved. Some species can be differentiated because they they cannot breed together.

Consider camels, for example. (Please see the link.) There are two species of camel. In many ways they are very similar; they differ in that one specied has a single hump, the other two.

Since they bear their weight primarily on their third and forth toes, have hooves, are herbivores and live on land they are grouped with pigs, hippopotamuses, llamas and other animals that have similar characteristics.

They bear live babies and the mothers feed them their own milk, so they are mammals like us.

They have backbones, so they are grouped with the vertebrates, like us.

And finally they are animals.

What benefits do we have from John Dalton's discovery?

Daltons experiments with gases also led him to form two more chemical laws, the Law of Partial Pressures (behaviour of gaseous mixtures and dissolving of gases into liquids) and the Law of Multiple Proportions (ratios and gas composition). It is needless to say that without Dalton's work and consequent theories, Chemistry as we know it today may not exist.

What is the name of a scientist who studies ice?

hydrologist(Water) or glaciologist(glaciers)or meteorology(weather)which all involve snow and ice.It should have its own branch,but it doesn't which is stupid(my opinion).

What was Louis Pasteur nationality?

France.

Pasteaur was a French chemist and microbiologist born in Dole.

What are Niels Bohr interest?

Niels Bohr was interested in the field of physics, with a focus on atomic structure and quantum theory. He is known for his work on the development of the Bohr model of the atom, which introduced the concept of quantized energy levels. Bohr also made significant contributions to the understanding of nuclear reactions and nuclear fission.

What methods do scientists use to track tornadoes?

You can get some information from radar. Tornadoes often produce an echo with certain recognizable characteristics. Mostly, however, it's eyes on the ground that do the job. This typically takes the form of a spotter network equipped with amateur radio. Spotters can be mobile or fixed. Checkout skywarn for more information.

Who works in the pharmacy other than scientists?

people other than a scientist works in a pharmacy such as:

the urgent care doctors

the cashiers

the janitors

the checkers

and whoever else you want for to work there