by Ron Kurtus
|Atom as Solar System||Insight on Space and Time||India|
|Atom as Solar System||Role of moons in theory||India|
|Kinetic Theory of Matter||Relationship between Brownian motion and Kinetic theory||USA|
|Dry Ice||Difference between vaporization and sublimation||Kenya|
|Atoms||Is an atom electrically neutral?||Nigeria|
|Density||Finding the density of an object||Tanzania|
|Kinetic Theory of Matter||What is a solid, liquid and gas?||India|
|Atom as Solar System||Why isn't the solar system a giant atom?||USA|
|Density Factors||How physical conditions affect density||USA|
|Evaporation||How are water molecules able to escape gravity?||USA|
Insight on Space and Time
Topic: Atom as Solar System
July 17, 2020
This is Yug Patel from Gujarat, India.
My topic is Space - Time Relation.
-I just got to know about it when i was wondering in my room about the topic space, time, and all such beautiful events that we get to see.
-So, as we know that we are still finding answers to the questions that what is beyond Universe or what is much small than an Atom ? It's answer could be that there is no limit of anything.
-I want to think of a situation, here when you see an Elephant walking according to us it is walking slowly ; and if we see an Ant walking it seems quite faster. Although they both travel with same speed just the difference is reality and frame of reference.
-According to Ant world is so big but for an Elephant world is slight small if we compare it with human's frame of reference.
-Just like that an Atom is much much smaller and Universe is very very big.
So according to the situation time seems to run slow as we increase our size and time run fast as we decreases our size. Because an event like destruction of atom take just fraction of second but dying of star take billion of years.
-So according to me there could be no end of universe or nothing beyond an atom. But there could be a multiple universe dimensions as we look much smaller in an atom or beyond a Universe.
- Just imagine it your size keep increasing with more than speed of light or decreases with same speed of light, and you see that universe is just a small molecule and you more such molecule and then you see that all those molecule (universe) forms an object which can be anything and finally you see that you arrived in another dimension.
If we talk about another situation then assume that your size keep on decreasing and you see bacteria, then molecule, then atoms, and then many more this and you land on a planet like thing, which could give you an Idea that you arrived in another dimension.
So basically there could be no end of anything.
And if this is possible which can be possible because whatever we found yet are just some hypothetical theories made on our assumption.
-After all this, i wanted to ask one question that if this is true then what could be more or what i had missed ?
Thank you so much for giving your beautiful time to read my message.
I hope you would have found it interesting.
Yug - India
Thank your for your insight and ideas about the relationship between the size of objects, humans, or animals and their perception of time and motion.
Observations of things around you when you decrease or increase your size or velocity points to their relativity. Some scientists feel that time is the 4th dimension, although others believe time is an extension of each dimension of space.
It is good to delve into these matters. Best wishes for success in your studies and observations.
Role of moons in theory
Topic: Atom as Solar System
September 9, 2019
1 how would the moon plays role in the given theory?
2 what would change in the theory if e considered 9 planets?
Or change to 12 planets?>
majid - India
The Solar System model of an atom looks at electrons moving around the nucleus of the atom. However, in most solar systems, many planets also have one or more moons revolving around the planet. This presents a problem with this model, since electrons are primary particles that cannot be subdivided.
Also, according to Quantum Mechanics, the sub-atomic particles can be viewed as wave-forms.
Thus, this model is simply convenient way of looking at the Solar System.
Relationship between Brownian motion and Kinetic theory
Topic: Kinetic Theory of Matter
July 9, 2019
What is the relationship between Brownian motion and the Kinetic Theory of Matter?
Your content is rich on the topic.
Emmanuel - USA
The Kinetic Theory of Matter states that matter is composed of a large number of small particles—individual atoms or molecules—that are in constant motion.
On the other hand, Brownian motion is the erratic random movement of microscopic particles in a fluid, as a result of continuous bombardment from molecules of the surrounding medium. Thus Brownian motion concerns the collisions of particles in motion due to the Kinetic Theory of Matter.
Difference between vaporization and sublimation
Topic: Dry Ice
October 11, 2018
Differentiate between vaporization and sublimation
Kevin - Kenya
Vaporization is the process that occurs when a chemical or element is converted from a liquid or a solid to a gas.
When a liquid is converted to a gas, the process is called evaporation or boiling.
When a solid is converted to a gas, the process is called sublimation. This is what happens with dry ice (frozen carbon monoxide gas).
Is an atom electrically neutral?
April 26, 2018
An atom is said to be electrically neutral?
melody - Nigeria
It is true that an atom is electrically neutral, because it has the same number of positive (+) and negative (-) particles.
See Structure of the Atom for more information.
Finding the density of an object
April 15, 2018
1. An object with the volume of 150 cubic centimetre has a percentage of volume submerged of 60% when immerse into water. What is the density of the object?
can I get books of supplement material which have enough questions on densities, relative densities etc
Denis - Tanzania
If 60% is submerged in the water, that means that the volume of water displaced is 150 * 0.6 = 90 cc. Since the density of water is 1, the mass of 90 cc of water is 90 g.
Thus, the mass of the object is the mass of the displace water 90 g divided by 0.6 equals 150 g.
The density of the object is its mass divided by its volume or 150/90 = 1.67.
That seems to be a round-about way, but I hope it explains the subject.
Also refer to: Density of Matter and Factors Affecting Density of Matter.
Best wishes for success in your studies.
What is a solid, liquid and gas?
Topic: Kinetic Theory of Matter
November 7, 2017
Q1. What is solid, liquids, gas
MD - India
See States of Matter for an explanation.
Why isn't the solar system a giant atom?
Topic: Atom as Solar System
October 5, 2017
I had a question about the article you wrote regarding Bohr's Model of an atom. Why do you disagree with the fact that our solar system can't be just one "giant" atom. I was hoping to get in touch with you to discuss this?
Tristan - USA
Although our solar system looks like it could be a giant atom, there are a number of problems in the analogy. One it that electrons in an atom have an electrical charge, while there is nothing similar in the solar system. Also, the nucleus of an atom is made up of protons and neutrons, while the Sun is a mass of hot gases.
On the quantum scale, atomic particles are not tiny spheres but are wave packets.
Still, the similarity between the solar systems and atoms is intriguing.
How physical conditions affect density
Topic: Density Factors
September 30, 2017
Describe how physical conditions affect density
kiprotich - USA
Density is mass divided by volume. Compressing an object decreases its volume and thus increases its density.
How are water molecules able to escape gravity?
September 22, 2017
How are water molecules able to escape gravity? In other words, gravity withholds H2O from leaving the surface of the earth, but that same body of water evaporates and those molecules are unaffected by gravity.
Travis - USA
With water, the velocity of the molecules is not great enough to overcome their molecular attraction, and thus the material is a liquid that is kept toward the surface of the Earth. However, when H20 becomes a gas, the velocities of the molecules is much greater, such that they move about freely.
Most of those molecules velocities that are low enough to be constrained to the Earth's atmosphere. But some of the molecules of the gas or steam become accelerated due to radiation from the Sn, such that they have enough kinetic energy or velocity to escape the Earth's gravity.
Fortunately, the loss of water vapor molecules into space it very small.
Hopefully, this reader feedback has helped provide information about Matter issues.
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