GCSE Physics 1
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GCSE Physics 1 - Detalles
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| 🇬🇧 | 🇬🇧 |
| A physical quantity characterized by having only magnitude (size) and lacking a specific direction. | Scalar Quantity |
| What defines a scalar quantity? | Scalar quantities are defined by having only magnitude (size) and do not possess a specific direction. |
| How are vector quantities characterized? | Vector quantities are characterized by possessing both magnitude and a specific direction. |
| Physical quantities that are considered scalar, having magnitude but no direction. Examples include distance, speed, energy, and mass. | Scalar Examples |
| Provide examples of scalar quantities. | Examples of scalar quantities include distance, speed, energy, and mass. |
| What are examples of vector quantities? | Examples of vector quantities include displacement, velocity, momentum, acceleration, and all forces (e.g., weight, friction). |
| The size or numerical value associated with the magnitude of a vector, representing its "length" without considering direction. | Magnitude (Vector) |
| What does the term "magnitude" refer to in the context of vectors? | Magnitude in the context of vectors refers to the size or numerical value associated with the vector, representing its "length" without considering direction. |
| What is distance, and how is it affected by changes in direction? | Distance is the measure of how far an object has moved. Changes in direction do not affect distance. |
| A physical quantity characterized by having only magnitude (size) and lacking a specific direction. | Scalar Quantity |
| What defines a scalar quantity? | Scalar quantities are defined by having only magnitude (size) and do not possess a specific direction. |
| What is displacement, and how is it different from distance? | Displacement is how far an object moves measured from start to finish in a straight line. Unlike distance, displacement considers changes in direction and is a vector quantity. |
| What distinguishes vector quantities from scalar quantities? | Vector quantities possess both magnitude and direction, distinguishing them from scalar quantities. |
| The net difference in position of an object from the starting point to the ending point, considering both distance and direction. | Overall Change in Position |
| What does "overall change in position" refer to in displacement? | The overall change in position in displacement refers to the net difference in position from the starting point to the ending point, considering both distance and direction. |
| A component of vector quantities indicating the orientation or path of the vector. | Direction (Vector) |
| What does the term "direction" signify in the context of vector quantities? | Direction in the context of vector quantities indicates the orientation or path of the vector. |
| What is speed, and is it a scalar or vector quantity? | Speed is the measure of how far an object moves in a given time. It is a scalar quantity as it does not involve direction. |
| A physical quantity characterized by having only magnitude (size) and lacking a specific direction. | Scalar Quantity |
| Is speed a scalar or vector quantity? | Speed is a scalar quantity. |
| How is velocity different from speed, and what type of quantity is it? | Velocity is the speed of an object in a particular direction. Unlike speed, velocity is a vector quantity, encompassing both magnitude and direction. |
| What defines a vector quantity, and can you provide an example? | Vector quantities have both magnitude and direction. Velocity is an example of a vector quantity. |
| What is mass, and is it a scalar or vector quantity? | Mass is a measure of how much matter an object contains. It is a scalar quantity. |
| A physical quantity characterized by having only magnitude (size) and lacking a specific direction. | Scalar Quantity |
| Is mass a scalar or vector quantity? | Mass is a scalar quantity. |
| What is weight, and is it a scalar or vector quantity? | Weight is the force acting on an object with mass in a gravitational field. It is a vector quantity. |
| What defines a vector quantity, and can you provide an example? | Vector quantities have both magnitude and direction. Weight is an example of a vector quantity. |
| What is the formula for calculating speed? | The formula for calculating speed is speed = distance traveled ÷ time taken. |
| What is the formula for calculating speed? | The formula for calculating speed is speed = distance traveled ÷ time taken. |
| What is the formula for calculating speed? | The formula for calculating speed is speed = distance / time. |
| What is the formula for calculating speed? | The formula for calculating speed is speed = distance traveled ÷ time taken. |
| A physical quantity characterized by having only magnitude (size) and lacking a specific direction. | Scalar Quantity |
| What is the formula for calculating speed? | The formula for calculating speed is speed = distance traveled ÷ time taken. |
| Is speed a scalar or vector quantity? | Speed is a scalar quantity. |
| The total distance traveled by an object divided by the total time taken for the journey. | Average Speed |
| How is average speed calculated, and what does it represent? | Average speed is calculated by dividing the total distance traveled by the total time taken for the journey. It represents the overall rate of motion over a given period. |
| How is velocity different from speed? | Velocity includes both the speed and the direction of an object, making it a vector quantity. |
| What is the formula for calculating distance? | The formula for calculating distance is distance = speed x time. |
| How is distance traveled represented on a distance/time graph? | The distance is plotted on the y-axis of a distance/time graph. |
| What does the x-axis represent on a distance/time graph? | The x-axis represents time in a distance/time graph. |
| A steady and unchanging rate of motion. | Constant Speed |
| How is constant speed represented on a distance/time graph? | Constant speed is represented by a straight diagonal line on a distance/time graph. |
| The steepness of the line on a graph, indicating the speed of the object. | Gradient of the Line |
| What does the gradient of a line on a distance/time graph indicate? | The gradient of the line on a distance/time graph indicates the speed of the object. A steeper gradient corresponds to a higher speed. |
| On a distance/time graph, a flat, horizontal line indicates that the object has stopped moving. | Flat, Horizontal Line |
| What does a flat, horizontal line represent on a distance/time graph? | A flat, horizontal line on a distance/time graph indicates that the object has stopped moving. |
| How does the gradient of a line relate to speed on a distance/time graph? | A steeper gradient indicates a higher speed on a distance/time graph. |
| What is the formula for calculating speed? | The formula for calculating speed is speed = distance / time. |
| The slope of a line on a distance/time graph, representing speed. | Gradient of a Distance/Time Graph |
| How is speed related to the gradient of a distance/time graph? | The gradient of a distance/time graph represents the speed of the object. A steeper gradient indicates a higher speed. |
| How can the distance be determined from a distance/time graph? | The distance can be directly read from a distance/time graph. |
| Provide an example reading from a distance/time graph. | In the given graph, after 3 seconds, the object had traveled 6 meters. Another example is that after 9 seconds, the object had traveled 8 meters. |
| The duration between two specific points in time. | Time Interval |
| How is the time interval determined from a distance/time graph? | The time interval can be calculated by examining the difference in time between two points on a distance/time graph. |
| The process of determining the rate at which an object moves relative to a reference point. | Measurement of Speed |
| What is involved in measuring the speed of an object in a lab? | Measuring the speed of an object in a lab involves measuring distance and time using appropriate instruments. |
| The determination of the length or extent between two points, often accomplished using tools like tape measures or rulers. | Distance Measurement |
| How can distance be measured in a lab? | Distance in a lab can be measured using tools such as tape measures or rulers. |
| The determination of the duration between two events, typically measured using devices like stopwatches or light gates. | Time Measurement |
| What instruments are used to measure time in a lab setting? | Time in a lab can be measured using devices like stopwatches or light gates. |
| How would you set up an experiment to measure the speed of a toy car using light gates? | The experiment involves placing two light gates at known distances apart. The first gate triggers the timing when the toy car passes through it, and the second gate stops the timing when the car passes through it. |
| What are light gates used for in speed measurement experiments? | Light gates are used to detect the passage of an object and to trigger and stop timing in speed measurement experiments. |
| The mathematical formula used to calculate the speed of an object, given by speed = distance ÷ time. | Speed Calculation Equation |
| What equation is used to calculate the speed of the toy car? | Speed = distance between light gates / time taken |
| The differences in speed exhibited by moving objects, influenced by factors such as fitness, age, terrain, and distance. | Speed Variation |
| What factors influence the speed of a person walking, running, or cycling? | Factors influencing the speed of individuals include fitness, age, terrain, and the distance traveled. |
| Specific speed measurements associated with activities, indicating the rate at which individuals can walk, run, or cycle. | Speed Values for Activities |
| Provide examples of typical speed values for walking, running, and cycling. | Typical speed values for activities include walking (1.5 m/s), running (3 m/s), and cycling (6 m/s). |
| Specific speed measurements associated with different modes of transportation, highlighting the variation in speeds. | Speed Values for Vehicles |
| What are some typical speed values for different vehicles? | Examples of typical speed values for vehicles include cars (25 m/s), trains (30 m/s), and airplanes (245 m/s). |
| The rate at which sound travels through a medium, such as air, often measured in meters per second (m/s). | Speed of Sound |
| What is a typical value for the speed of sound in air? | A typical value for the speed of sound in air is 330 m/s. |
| What is a typical value for the wind speed of a moderate breeze? | A typical value for the wind speed of a moderate breeze is about 9 m/s. |