| Speed is the distance traveled by an object in a given time. It is a scalar quantity. | Speed |
| What is the formula for calculating speed? | The formula for calculating speed is speed = distance / time. |
| 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. |
| 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. |
| The total length of the path traveled by an object. | Distance |
| What is the formula for calculating distance? | The formula for calculating distance is distance = speed x time. |
| A graphical representation that shows the distance an object travels over time. | Distance/Time Graph |
| How is distance traveled represented on a distance/time graph? | The distance is plotted on the y-axis of a distance/time graph. |
| The x-axis of a distance/time graph represents time. | Time Axis |
| 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. |
| A line with a steeper slope on a distance/time graph, indicating a higher speed. | Steeper Gradient |
| 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. |
| The formula that calculates speed, given by speed = distance traveled ÷ time taken. | Speed Equation |
| 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. |
| The ability to read the value of a quantity directly from a graph. | Direct Reading |
| How can the distance be determined from a distance/time graph? | The distance can be directly read from a distance/time graph. |
| An instance of reading values from a graph for a specific point. | Example Reading |
| 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. |
| The arrangement of apparatus and procedures for conducting an experiment. | Experiment Setup |
| 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. |
| Devices that use light beams to detect the passage of an object, commonly used in timing experiments. | Light Gates |
| 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. |
| The velocity of air movement, commonly measured in meters per second (m/s). | Wind Speed |
| 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. |
