
Velocity/Time Graphs & Acceleration

Quiz
•
Science
•
8th Grade
•
Medium
+4
Standards-aligned
Katie Sheffield
Used 11+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • Ungraded
Where are you at?😎
LT: I can graph motion on a velocity/time graph from a description of the motion.
3D- INDEPENDENTLY- I understand. I can teach a friend. I can even show you more
3- INDEPENDENTLY- I understand and can do it by myself
2.5- WITH GUIDANCE- I understand most of it, I need help getting started, but I can finish by myself
2- WITH GUIDANCE- I understand some and can get started, but I'm a little confused
1.5- WITH SUPPORT- I understand a little, but I need help getting started and guidance to help me finish.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the definition of acceleration?
Choose 1 correct answer.
Speed with a direction
A constant speed over time
The change in velocity's rate over time
Returning to the original position
Answer explanation
When graphing motion, acceleration is represented by a line on a velocity/time graph. A positive or negative slope on a velocity time graph represents acceleration because the velocity is changing over time---the velocity is either increasing or decreasing respectively
Tags
velocity/time graphs
graphing motion
acceleration
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
A flat line of a velocity-time graph represents __________.
Choose all that apply.
positive acceleration
constant velocity
negative acceleration
no acceleration
Answer explanation
Letter B represents a constant velocity or no acceleration because from 20s-40s, the velocity stays the same (constant) at 40 m/s
Tags
velocity/time graphs
graphing motion
acceleration
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
What are examples of acceleration?
Choose all that apply.
a bus speeding up
sitting in class working on Exact Path
a falcon changing direction to catch its prey
slowing down in the hallway to stop at your locker
Answer explanation
Lesson 4 on the Acceleration Notes. Acceleration is a change in velocity's rate (in speed or direction).
a bus speeding up---> = increasing velocity
a falcon changing direction--> =changes direction
slowing down in hallway---> = decreasing velocity
Tags
acceleration
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Explain the motion from 1-3s.
Choose 1 correct answer.
Not moving
Constant velocity
Constant acceleration
Non-constant acceleration
Answer explanation
The line is flat from 1s-3s and a flat line represents constant velocity or no acceleration. The reason why is the velocity (on the y-axis) stays at 8m/s at 1s, 2s, 3s, and then begins to increase after 3s.
Tags
velocity/time graphs
graphing motion
acceleration
6.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Explain the motion from 3-5s.
Choose all that apply.
Not moving
Positive Acceleration
Increase in velocity
Non-constant acceleration
Answer explanation
On a velocity/time graph, the positive slope represents an increase in velocity. As time increases, velocity also increases. On a distance/time graph, the positive slope means the object is covering a distance at a constant velocity.
Tags
velocity/time graphs
graphing motion
acceleration
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Explain the motion from 5-7s.
Choose all that apply.
Deceleration
Constant speed
Negative Acceleration
Decrease in velocity
Answer explanation
At 5s-7s the line has a negative slope. A negative slope on a velocity graph is a decrease in velocity because as the line moves downward, the velocity also decreases.
Tags
NGSS.MS-PS3-1
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