Understanding Speed: A Science Worksheet for 12-Year-Olds

Instructions

Read the questions below and answer them based on what you have learned about changing speed in motion. Use the provided spaces to write your answers.

1. Define speed. How is it calculated?

2. What factors can cause an object to change its speed? List at least three.

3. Use the space below to explain the difference between speed and velocity. Why is this difference important in science?

4. Imagine a car that starts from rest and accelerates to a speed of 60 km/h in 5 seconds. Calculate the acceleration of the car. Show your work below.

5. Describe a real-life scenario where an object changes its speed. Explain how you would measure the speed before and after the change.

6. Why is it important to understand changing speed in everyday life? Give an example.