Speed and Acceleration Quiz - CBSE Class 6 Science

Free practice quiz: Speed and Acceleration (CBSE Class 6 Science). 17 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

This CBSE Class 6 Science practice quiz has 17 multiple-choice questions on Speed and Acceleration, and 17 of them come with an explanation. Try the 5 sample questions below (tap an option to check yourself), then play the full quiz online. No sign-up needed.

Sample questions

1. What is speed?

   1. Distance traveled per unit time
   2. The maximum distance covered
   3. The time taken to travel a distance
   4. The sum of distances traveled
   Show answer

   Answer: A. Distance traveled per unit time

   Speed is defined as the distance traveled in a unit of time. It measures how fast an object moves.

2. If a car's speed increases from 20 m/s to 40 m/s in 5 seconds, what is its average acceleration?

   1. 4 m/s²
   2. 5 m/s²
   3. 2 m/s²
   4. 6 m/s²
   Show answer

   Answer: A. 4 m/s²

   Acceleration is calculated by the change in speed divided by the time taken. (40 m/s - 20 m/s) / 5 s = 4 m/s².

3. Which of the following is not a unit of acceleration?

   1. m/s²
   2. km/h²
   3. m/s
   4. ft/s²
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   Answer: C. m/s

   Acceleration is measured in units of speed per time, so m/s is not a unit of acceleration.

4. What happens to the speed if the acceleration is zero?

   1. Speed increases
   2. Speed decreases
   3. Speed remains constant
   4. Speed cannot be determined
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   Answer: C. Speed remains constant

   If acceleration is zero, this means there is no change in speed, thus it remains constant.

5. If a ball rolls down a hill and its speed increases from 0 m/s to 15 m/s in 3 seconds, what is its average acceleration?

   1. 5 m/s²
   2. 10 m/s²
   3. 8 m/s²
   4. 4 m/s²
   Show answer

   Answer: A. 5 m/s²

   Average acceleration = (Final Speed - Initial Speed) / Time = (15 m/s - 0 m/s) / 3 s = 5 m/s².

More questions in this quiz

Answers and explanations are in the full quiz.

1. Which unit is commonly used to measure speed?
2. What is acceleration?
3. What does negative acceleration indicate?
4. If a cyclist travels 60 km in 2 hours, what is her average speed?
5. What is the equation for calculating acceleration?
6. If a train accelerates at 2 m/s² for 10 seconds, what will be its increase in speed?
7. A car is moving at a speed of 50 km/h. How far will it travel in 3 hours at the same speed?
8. If an object moves in a circular path at constant speed, how does its acceleration change?
9. A soccer player runs 100m in 10 seconds. What is his speed in m/s?
10. An airplane travels 300 km in 0.5 hours. What is its average speed?
11. An object travels at different speeds: 20 m/s, 40 m/s, and finally 30 m/s over equal time intervals. What can we say about its average speed?
12. An object moves at a constant speed of 30 m/s for 5 seconds. How far does it travel?

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