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Questions and Answers
Which branch of physics is concerned with the study of motion, forces, and energy?
Which branch of physics is concerned with the study of motion, forces, and energy?
What is the law that states that an object at rest remains at rest, and an object in motion remains in motion, unless acted upon by an external force?
What is the law that states that an object at rest remains at rest, and an object in motion remains in motion, unless acted upon by an external force?
Who developed the theory of relativity and the photon theory of light?
Who developed the theory of relativity and the photon theory of light?
What is the study of carbon-based compounds and their properties?
What is the study of carbon-based compounds and their properties?
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What is the term for the energy of motion?
What is the term for the energy of motion?
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What is the type of bond formed between atoms with large differences in electronegativity?
What is the type of bond formed between atoms with large differences in electronegativity?
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Who is credited with the discovery of oxygen and the development of modern chemistry?
Who is credited with the discovery of oxygen and the development of modern chemistry?
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What is the study of chemical reactions and physical properties of matter?
What is the study of chemical reactions and physical properties of matter?
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What is the formula that represents the relationship between force and acceleration?
What is the formula that represents the relationship between force and acceleration?
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What is the study of chemical analysis and identification of substances?
What is the study of chemical analysis and identification of substances?
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Study Notes
Physics
Branches of Physics
- Mechanics: study of motion, forces, and energy
- Thermodynamics: study of heat, temperature, and energy transfer
- Electromagnetism: study of electricity, magnetism, and electromagnetic waves
- Optics: study of light, vision, and optical instruments
- Acoustics: study of sound and its properties
Key Concepts
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Laws of Motion:
- Newton's First Law (Inertia): an object at rest remains at rest, and an object in motion remains in motion, unless acted upon by an external force
- Newton's Second Law (Force and Acceleration): F = ma (force equals mass times acceleration)
- Newton's Third Law (Action and Reaction): for every action, there is an equal and opposite reaction
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Energy:
- Kinetic energy: energy of motion
- Potential energy: energy of position or stored energy
- Conservation of energy: energy cannot be created or destroyed, only converted from one form to another
Notable Physicists
- Isaac Newton (1643-1727): developed laws of motion and universal gravitation
- Albert Einstein (1879-1955): developed theory of relativity and photon theory of light
- Marie Curie (1867-1934): discovered radioactivity and pioneered nuclear physics
Chemistry
Branches of Chemistry
- Organic chemistry: study of carbon-based compounds and their properties
- Inorganic chemistry: study of non-carbon-based compounds and their properties
- Physical chemistry: study of chemical reactions and physical properties of matter
- Analytical chemistry: study of chemical analysis and identification of substances
- Biochemistry: study of chemical processes in living organisms
Key Concepts
-
Atomic Structure:
- Protons: positively charged particles in the nucleus
- Neutrons: neutral particles in the nucleus
- Electrons: negatively charged particles orbiting the nucleus
-
Chemical Bonding:
- Ionic bonds: formed between atoms with large differences in electronegativity
- Covalent bonds: formed between atoms with similar electronegativity
-
Chemical Reactions:
- Chemical equations: symbolic representations of chemical reactions
- Stoichiometry: study of quantitative relationships between reactants and products
Notable Chemists
- Antoine Lavoisier (1743-1794): discovered oxygen and developed modern chemistry
- Jöns Jakob Berzelius (1779-1848): developed atomic weights and introduced modern chemical notation
- Rosalind Franklin (1920-1958): contributed to the discovery of DNA structure and function
Physics
Branches of Physics
- Study of motion, forces, and energy is known as Mechanics
- Thermodynamics deals with heat, temperature, and energy transfer
- Electromagnetism encompasses electricity, magnetism, and electromagnetic waves
- Optics involves the study of light, vision, and optical instruments
- Acoustics is the study of sound and its properties
Key Concepts
Laws of Motion
- Newton's First Law: an object at rest remains at rest, and an object in motion remains in motion, unless acted upon by an external force
- Newton's Second Law: force equals mass times acceleration (F = ma)
- Newton's Third Law: for every action, there is an equal and opposite reaction
Energy
- Kinetic energy is the energy of motion
- Potential energy is the energy of position or stored energy
- Conservation of energy: energy cannot be created or destroyed, only converted from one form to another
Notable Physicists
- Isaac Newton developed laws of motion and universal gravitation
- Albert Einstein developed theory of relativity and photon theory of light
- Marie Curie discovered radioactivity and pioneered nuclear physics
Chemistry
Branches of Chemistry
- Organic chemistry involves the study of carbon-based compounds and their properties
- Inorganic chemistry involves the study of non-carbon-based compounds and their properties
- Physical chemistry involves the study of chemical reactions and physical properties of matter
- Analytical chemistry involves the study of chemical analysis and identification of substances
- Biochemistry involves the study of chemical processes in living organisms
Key Concepts
Atomic Structure
- Protons are positively charged particles in the nucleus
- Neutrons are neutral particles in the nucleus
- Electrons are negatively charged particles orbiting the nucleus
Chemical Bonding
- Ionic bonds are formed between atoms with large differences in electronegativity
- Covalent bonds are formed between atoms with similar electronegativity
Chemical Reactions
- Chemical equations are symbolic representations of chemical reactions
- Stoichiometry involves the study of quantitative relationships between reactants and products
Notable Chemists
- Antoine Lavoisier discovered oxygen and developed modern chemistry
- Jöns Jakob Berzelius developed atomic weights and introduced modern chemical notation
- Rosalind Franklin contributed to the discovery of DNA structure and function
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Description
Explore the different branches of physics, including mechanics, thermodynamics, electromagnetism, optics, and acoustics. Learn about key concepts such as Newton's Laws of Motion.
