Podcast
Questions and Answers
What is the variable that is manipulated or changed in an experiment?
What is the variable that is manipulated or changed in an experiment?
Independent variable
What is the variable that is measured or observed in response to the independent variable?
What is the variable that is measured or observed in response to the independent variable?
Dependent variable
Which of the following are visual representations of data used to display relationships between variables?
Which of the following are visual representations of data used to display relationships between variables?
- Histograms
- Line graphs (correct)
- Pie charts
- Bar graphs (correct)
What is a fraction expressed as a part of 100?
What is a fraction expressed as a part of 100?
What is the total distance traveled divided by the total time taken?
What is the total distance traveled divided by the total time taken?
What is the speed of an object in a given direction?
What is the speed of an object in a given direction?
What is the constant speed reached by an object when the force of gravity is balanced by air resistance?
What is the constant speed reached by an object when the force of gravity is balanced by air resistance?
What is the rate of change of velocity per unit of time?
What is the rate of change of velocity per unit of time?
What is the difference between an old and new value expressed as a percentage of the old value?
What is the difference between an old and new value expressed as a percentage of the old value?
What is the speed at which a variable changes over a specific period of time?
What is the speed at which a variable changes over a specific period of time?
What is the absolute difference between two values divided by the average of those values, expressed as a percentage?
What is the absolute difference between two values divided by the average of those values, expressed as a percentage?
What is the difference between the experimental value and the theoretical value divided by the theoretical value, expressed as a percentage?
What is the difference between the experimental value and the theoretical value divided by the theoretical value, expressed as a percentage?
What is the distance or time between two events or measurements?
What is the distance or time between two events or measurements?
What is an interaction that causes an object to change its velocity?
What is an interaction that causes an object to change its velocity?
What is the total force acting on an object after all the forces are combined?
What is the total force acting on an object after all the forces are combined?
What are forces that are equal in size and opposite in direction, resulting in no change in motion?
What are forces that are equal in size and opposite in direction, resulting in no change in motion?
What are forces that are not equal and cause a change in motion?
What are forces that are not equal and cause a change in motion?
What is a graphical representation used to visualize the forces acting on an object?
What is a graphical representation used to visualize the forces acting on an object?
What is the product of an object's mass and its Velocity?
What is the product of an object's mass and its Velocity?
What is a collision in which kinetic energy is conserved?
What is a collision in which kinetic energy is conserved?
What is the change in momentum resulting from a force applied over time?
What is the change in momentum resulting from a force applied over time?
What is the unit of momentum, representing mass times velocity?
What is the unit of momentum, representing mass times velocity?
What is the total path traveled by an object?
What is the total path traveled by an object?
What are standard quantities used to specify measurements?
What are standard quantities used to specify measurements?
What is the unit of mass in the metric system?
What is the unit of mass in the metric system?
What is the unit of velocity, meters per second?
What is the unit of velocity, meters per second?
What is the unit of acceleration, meters per second squared?
What is the unit of acceleration, meters per second squared?
What is the amount of matter in an object?
What is the amount of matter in an object?
What is the force exerted by gravity on an object?
What is the force exerted by gravity on an object?
What is the force that attracts a body toward the center of the earth?
What is the force that attracts a body toward the center of the earth?
What is the attractive force between two masses?
What is the attractive force between two masses?
What is the acceleration experienced by an object due to Earth's gravitational pull, approximately 9.81 m/s2?
What is the acceleration experienced by an object due to Earth's gravitational pull, approximately 9.81 m/s2?
What is the law stating that force equals mass times acceleration (F=ma)?
What is the law stating that force equals mass times acceleration (F=ma)?
What is the resistance that one surface or object encounters when moving over another?
What is the resistance that one surface or object encounters when moving over another?
What are the forces that oppose the motion of an object through the air?
What are the forces that oppose the motion of an object through the air?
What is the curved path of an object around a star, planet, or moon?
What is the curved path of an object around a star, planet, or moon?
What is the law stating that planets move in elliptical orbits with the sun at one focus?
What is the law stating that planets move in elliptical orbits with the sun at one focus?
What is the law stating that a line segment joining a planet and the sun sweeps out equal areas during equal intervals of time?
What is the law stating that a line segment joining a planet and the sun sweeps out equal areas during equal intervals of time?
What is the law stating that the square of the period of a planet is proportional to the cube of the semi-major axis of its orbit?
What is the law stating that the square of the period of a planet is proportional to the cube of the semi-major axis of its orbit?
What is an elongated circle, or oval shape, used to describe the orbits of planets?
What is an elongated circle, or oval shape, used to describe the orbits of planets?
What are the two fixed points in an ellipse used to define its shape?
What are the two fixed points in an ellipse used to define its shape?
What is the longest diameter of an ellipse?
What is the longest diameter of an ellipse?
What is a measure of how much an ellipse deviates from being circular?
What is a measure of how much an ellipse deviates from being circular?
What is the point in an orbit farthest from the sun?
What is the point in an orbit farthest from the sun?
What is the point in an orbit closest to the sun?
What is the point in an orbit closest to the sun?
What is the energy of an object due to its motion?
What is the energy of an object due to its motion?
What is the stored energy of an object due to its position or state?
What is the stored energy of an object due to its position or state?
What is the energy an object possesses due to its motion?
What is the energy an object possesses due to its motion?
What is the energy caused by the movement of electrons?
What is the energy caused by the movement of electrons?
What is the total kinetic energy of particles in a substance?
What is the total kinetic energy of particles in a substance?
What is energy carried by electromagnetic waves?
What is energy carried by electromagnetic waves?
What is the energy produced by vibrating sound waves?
What is the energy produced by vibrating sound waves?
What is the energy stored in the bonds of chemical compounds?
What is the energy stored in the bonds of chemical compounds?
What is the energy released during nuclear reactions?
What is the energy released during nuclear reactions?
What is Gravitational Potential Energy, the potential energy held by an object because of its height?
What is Gravitational Potential Energy, the potential energy held by an object because of its height?
What is the potential energy stored in elastic materials as the result of their stretching or compressing?
What is the potential energy stored in elastic materials as the result of their stretching or compressing?
What is the unit of energy in the metric system?
What is the unit of energy in the metric system?
What is the basic unit of a chemical element?
What is the basic unit of a chemical element?
What is a positively charged particle found in the nucleus of an atom?
What is a positively charged particle found in the nucleus of an atom?
What is a neutral particle found in the nucleus of an atom?
What is a neutral particle found in the nucleus of an atom?
What is a negatively charged particle that orbits the nucleus of an atom?
What is a negatively charged particle that orbits the nucleus of an atom?
What is the central part of an atom containing protons and neutrons?
What is the central part of an atom containing protons and neutrons?
What is the region around the nucleus where electrons are likely to be found?
What is the region around the nucleus where electrons are likely to be found?
What is the amount of space an object occupies?
What is the amount of space an object occupies?
What is the law that describes the force between two charged objects?
What is the law that describes the force between two charged objects?
What is energy that travels through space at the speed of light?
What is energy that travels through space at the speed of light?
What is the distance between successive peaks of a wave?
What is the distance between successive peaks of a wave?
What is the number of waves that pass a point in one second?
What is the number of waves that pass a point in one second?
What is the maximum extent of a wave's oscillation, measured from the position of equilibrium?
What is the maximum extent of a wave's oscillation, measured from the position of equilibrium?
What is a stationary electric charge typically produced by friction?
What is a stationary electric charge typically produced by friction?
What is the transfer of heat through a material without any movement of the material?
What is the transfer of heat through a material without any movement of the material?
What is the process of generating an electric current by changing the magnetic field?
What is the process of generating an electric current by changing the magnetic field?
What is a closed path through which an electric current flows?
What is a closed path through which an electric current flows?
What is the law stating that the current through a conductor between two points is directly proportional to the voltage across the two points?
What is the law stating that the current through a conductor between two points is directly proportional to the voltage across the two points?
What is the opposition to the flow of electric current?
What is the opposition to the flow of electric current?
What is the flow of electric charge?
What is the flow of electric charge?
What is the difference in electric potential energy between two points?
What is the difference in electric potential energy between two points?
What is the principle that a changing magnetic field can induce an electric current?
What is the principle that a changing magnetic field can induce an electric current?
What is a magnet that maintains its magnetic properties without the need for an external power source?
What is a magnet that maintains its magnetic properties without the need for an external power source?
What Is a type of magnet in which the magnetic field is produced by an electric current?
What Is a type of magnet in which the magnetic field is produced by an electric current?
What are regions within a magnetic material where the magnetic moments are aligned?
What are regions within a magnetic material where the magnetic moments are aligned?
What is a push or pull on an object?
What is a push or pull on an object?
What is an object with a balanced net force will either remain at rest or move at a constant velocity?
What is an object with a balanced net force will either remain at rest or move at a constant velocity?
What is the relationship between force, mass, and acceleration?
What is the relationship between force, mass, and acceleration?
What is a graphical representation showing all the forces acting on an object?
What is a graphical representation showing all the forces acting on an object?
What is the magnitude of force from 3 kg·m/s2?
What is the magnitude of force from 3 kg·m/s2?
What is the force needed to accelerate a shopping cart?
What is the force needed to accelerate a shopping cart?
What is the change in momentum of an object when a force is applied over time?
What is the change in momentum of an object when a force is applied over time?
What is the unit for impulse?
What is the unit for impulse?
Flashcards
Independent Variable
Independent Variable
The variable that is manipulated or changed in an experiment.
Dependent Variable
Dependent Variable
The variable that is measured or observed in response to the independent variable.
Line/Bar Graphs
Line/Bar Graphs
Visual representations of data used to display relationships between variables.
Percentage
Percentage
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Average Speed
Average Speed
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Velocity
Velocity
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Terminal Velocity
Terminal Velocity
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Acceleration
Acceleration
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Percent Change
Percent Change
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Rate of Change
Rate of Change
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Percent Difference
Percent Difference
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Percent Error
Percent Error
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Interval
Interval
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Force
Force
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Net Force
Net Force
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Balanced Forces
Balanced Forces
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Unbalanced Forces
Unbalanced Forces
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Free Body Diagram
Free Body Diagram
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Momentum
Momentum
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Elastic Collision
Elastic Collision
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Inelastic Collision
Inelastic Collision
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Impulse
Impulse
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kg*m/s
kg*m/s
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Distance
Distance
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Units
Units
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kg
kg
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m/s
m/s
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m/s2
m/s2
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Newtons - kg*m/s2
Newtons - kg*m/s2
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Mass
Mass
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Weight
Weight
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Gravity
Gravity
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Gravitational Force
Gravitational Force
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Acceleration due to gravity
Acceleration due to gravity
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Newton's Second Law
Newton's Second Law
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Friction
Friction
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Air Resistance
Air Resistance
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Orbit
Orbit
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Kepler's 1st Law
Kepler's 1st Law
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Kepler's 2nd Law
Kepler's 2nd Law
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Kepler's 3rd Law
Kepler's 3rd Law
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Study Notes
Key Physics Concepts
- Independent Variable: The variable manipulated or changed in an experiment.
- Dependent Variable: The variable measured in response to the independent variable.
- Line/Bar Graphs: Visual tools to display relationships between variables.
- Percentage: A fraction expressed as a part of 100.
- Average Speed: Total distance divided by total time taken.
- Velocity: The speed of an object in a given direction.
- Terminal Velocity: Constant speed when gravity and air resistance balance.
- Acceleration: The rate of change of velocity per unit of time.
- Percent Change: Difference between new and old values, expressed as a percentage of the old value.
- Rate of Change: Speed at which a variable changes over time.
- Percent Difference: Absolute difference between two values, divided by their average, expressed as a percentage.
- Percent Error: Difference between experimental and theoretical values, expressed as a percentage of the theoretical value.
- Interval: The time or distance between measurements or events.
- Force: An interaction causing change in an object's velocity.
- Net Force: The total force acting on an object after combining all forces.
- Balanced Forces: Equal and opposite forces resulting in no motion change.
- Unbalanced Forces: Unequal forces causing a change in motion.
- Free Body Diagram: Visual representation of forces acting on an object.
- Momentum: Product of an object's mass and velocity.
- Elastic Collision: Collision where kinetic energy is conserved.
- Inelastic Collision: Collision where kinetic energy is not conserved.
- Impulse: Change in momentum due to a force applied over time.
- Units of Momentum: kg·m/s.
- Distance: The total path traveled by an object.
- Units: Standard quantities for measurements.
- Unit of Mass: kg.
- Unit of Velocity: m/s.
- Unit of Acceleration: m/s².
- Unit of Force: Newton (N) = kg·m/s².
- Mass: The amount of matter in an object.
- Weight: The force exerted by gravity on an object.
- Gravity: The force of attraction between masses.
- Gravitational Force: Attractive force between two masses.
- Acceleration Due to Gravity (Earth): Approximately 9.81 m/s².
- Newton's Second Law: Force equals mass times acceleration (F = ma).
- Friction: Resistance encountered when one object moves over another.
- Air Resistance: Forces opposing motion through air.
- Orbit: Path of an object around a celestial body.
- Kepler's First Law: Planets orbit the Sun in elliptical paths with the Sun at one focus.
- Kepler's Second Law: A line joining a planet and the Sun sweeps out equal areas during equal intervals of time.
- Kepler's Third Law: The square of the orbital period is proportional to the cube of the semi-major axis of the orbit.
- Ellipse: A closed curve shape that is elongated or oval.
- Foci: The two fixed points of an ellipse.
- Major Axis: The longest diameter of an ellipse.
- Minor Axis: The shortest diameter of an ellipse.
- Eccentricity: Measure of how much an ellipse deviates from a circle.
- Aphelion: Point in an orbit farthest from the Sun.
- Perihelion: Point in an orbit closest to the Sun.
- Kinetic Energy: Energy of motion.
- Potential Energy: Stored energy due to position or state.
- Motion Energy: Another term for kinetic energy.
- Electrical Energy: Energy from electron movement.
- Thermal Energy: Total kinetic energy of particles in a substance.
- Radiant Energy: Energy carried by electromagnetic waves.
- Sound Energy: Energy from vibrating sound waves.
- Chemical Energy: Energy stored in chemical bonds.
- Nuclear Energy: Energy from nuclear reactions.
- Gravitational Potential Energy (GPE): Potential energy related to height.
- Elastic Energy: Potential energy stored in stretched or compressed materials.
- Unit of Energy: Joule (J) = kg·m²/s².
- Atom: Basic unit of a chemical element.
- Proton: Positively charged particle in an atom's nucleus.
- Neutron: Neutral particle in an atom's nucleus.
- Electron: Negatively charged particle orbiting the nucleus.
- Nucleus: Central part of an atom containing protons and neutrons.
- Electron Cloud: Region where electrons are likely to be found.
- Volume: Space occupied by an object.
- Coulomb's Law: Law describing force between charged objects.
- Electromagnetic Radiation: Energy traveling through space as waves.
- Wavelength: Distance between successive wave peaks.
- Frequency: Number of waves passing a point per second.
- Amplitude: Maximum extent of a wave's oscillation.
- Static Electricity: Stationary electric charge.
- Conduction: Heat transfer without material movement.
- Induction: Generating current by changing a magnetic field.
- Circuit: Closed path for electric current flow.
- Ohm's Law: Current is proportional to voltage and inversely to resistance (V = IR).
- Resistance: Opposition to electric current flow.
- Current: Flow of electric charge.
- Voltage: Difference in electric potential energy between points.
- Faraday's Law: Changing magnetic field induces EMF.
- Permanent Magnet: Magnet that maintains its magnetism independently.
- Electromagnet: Magnet whose field is produced by electric current.
- Domains: Regions in a magnetic material where magnetic moments align.
- Relationship between Force, Mass, and Acceleration: F = ma.
- Free-body Diagram: Graphical representation of forces on an object.
- Magnitude of force from 3 kg·m/s²: 3 N.
- Force needed to accelerate a shopping cart: 19.5 N.
- Impulse: Change in momentum.
- Units for Impulse: Newton-seconds (Ns).
- Gravitational force and mass: Force of gravity increases with increasing mass.
- Gravitational force and distance: Force of gravity decreases with increasing distance.
- Acceleration due to gravity on Mars vs Earth: Different due to varying planetary masses and radii.
- Ellipse with low eccentricity: Nearly circular.
- Ellipse with high eccentricity: Elongated.
- Commonality of ellipses: Closed curves; different in shape and eccentricity.
- Commonality of potential energies: Stored energy based on position or configuration.
- Gravitational Potential Energy (GPE) of Diver 1: 4410 J.
- Strength of gravity on the moon: ~176 J/kg.
- Commonality of kinetic energies: Energy of motion, dependent on mass and velocity.
- Kinetic energy of a roller coaster car: 10447.125 J.
- Law of Conservation of Energy: Energy is conserved, transformed from one form to another.
- Joule and Newton relationship: 1 Joule = 1 Newton-meter.
- Stopping of a bike rider: Friction dissipates kinetic energy.
- Structure of the atom: Nucleus (protons and neutrons) with electrons in a cloud.
- Static electricity causes: Buildup of electric charge.
- Causes of static electricity: Friction, contact, and separation.
- Comparison of Coulomb's Law and Universal Law of Gravitation: Both describe forces between masses or charges; Gravity is always attractive, and electrostatic forces can be attractive or repulsive.
- Electromagnetic Radiation (EMR): Energy traveling as waves.
- Effect of frequency and wavelength on wave type: Different frequencies and wavelengths correspond to different types of EMR.
- Electron transition in EMR: Energy is absorbed during electron excitation; released during return to ground state.
- Electric field: Region around a charge where other charges experience force.
- Magnetic field: Created by moving charges or magnetic materials.
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Description
Test your understanding of essential physics concepts related to experiments. This quiz covers variables, graphing methods, and calculations involving speed and acceleration. Dive into the basics that form the foundation of experimental science.
