Calculate Acceleration From Velocity Changes
Written by Adi Ackerman, Head Teacher
"Calculate Acceleration From Velocity Changes" is written for 8th Grade (Ages 13-14). A 7th grader who is already steady on forces and motion can use it too, and an older student can use it as a short review.
2 pages in this set
8th grade science worksheet: calculate acceleration for a train, a braking cyclist and a ball on a ramp, then find final velocity. Answer key included. Part of our speed and motion collection.
How do I use this worksheet?
Use the cycling race sheet to review speed and graphs, then move to the acceleration sheet. Ask students to check the sign of each answer.
What students will practice
- Students will substitute starting velocity, final velocity and time into the acceleration formula.
- Students will read starting and final velocities from a number line for three trips.
- Students will rearrange the formula to find final velocity and time, with units.
Curriculum Links
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FAQ
How do I use this speed and motion worksheet?
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Use the cycling race sheet to review speed and graphs, then move to the acceleration sheet. Ask students to check the sign of each answer.
What does this worksheet teach?
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Calculate acceleration for a train, a braking cyclist and a ball on a ramp, then find final velocity. The directions on the page read: Use the box and the number line. Write the numbers in the formula, then write each answer with its unit. An answer key is included.
Can I use this speed and motion worksheet for homeschool or classroom?
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Yes, both. We made it for 8th grade forces and motion, and it works the same at home or at school. At home, a student can work through it alone and then go over it with you, which shows quickly what is solid and what needs another look. In class it works as independent practice, homework or a warm-up, and you can print one copy or a full set.
How do you calculate average speed?
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Divide the distance by the time. A 300 m segment ridden in 25.0 s has an average speed of 12.0 m/s. Position and Speed Graphs of a Cycling Race repeats this for five segments and the whole race.
How do you calculate acceleration?
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Subtract the starting velocity from the final velocity and divide by the time, giving m/s². A negative value means the object is slowing down. Calculate Acceleration From Velocity Changes also rearranges the formula to find final velocity and time.
What does the slope of a distance and time graph show?
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The slope shows the speed. A steeper line means a faster speed, and a straight line means a steady speed. The cycling race sheet asks students to explain this from their own graph.
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Worksheet Details
| Grade | 8th Grade |
| Subject | Science |
| Topic | Forces and Motion |
| Pages | 2 pages |
| Difficulty | Medium |
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