##
* *Reflection: Unit Exams
Uniform Acceleration Unit Test - Section 1: Unit 3 Test

As the students were taking the test, I noticed that it took many of them longer than I had anticipated which had me a little bit concerned. As I graded the tests, I was able to see that there were a few themes in what students got wrong, discussed in the videos in the narrative above. Overall, however, the test scores were above my expectations. In all three of my classes, the averages were about 75% which is where all assessments have been so far this year. I was anticipating this assessment being different because of how difficult the concepts were for the students throughout the unit. But overall, students seemed to succeed, which greatly surprised me. The struggles of my students overall were mainly with the graphs; transposing the information from one type (position vs. time, velocity vs. time, acceleration vs. time) to another and getting acceleration information from the graphs. Next time, I would make sure to give students more practice with the concepts to make sure that they understand the graphs fully before moving on to other concepts.

*Above my expectations!*

*Unit Exams: Above my expectations!*

# Uniform Acceleration Unit Test

Lesson 14 of 14

## Objective: Students will be able to represent uniform accelerated motion graphically, diagrammatically, mathematically and verbally.

## Big Idea: Students show what they know about uniform acceleration both qualitatively and quantitatively.

*70 minutes*

#### Unit 3 Test

*70 min*

The goal of this lesson is for students demonstrate what they have learned in the uniform acceleration unit. Students have the entire period to work on this assessment. To prevent students cheating, I provide two different versions that have the questions in different orders and different numbers for the calculation questions. Before the test begins, I ask that students separate their two tables so that they are far enough away that they cannot see papers of students at another table. As students are working, I periodically walk around to check on how they are doing and to prevent any cheating.

The test is comprised of many different types of questions that I put into 3 categories: qualitative representations of motion, quantitative representations of motion, and uniform acceleration calculations. I try to create my tests so there are multiple questions that assess each learning target. Each video below discusses one topic area included on the test. Students are allowed to use these Equation Cards.

Qualitative Representations of Motion

As seen in the video, parts of the test included questions that provided students with a position vs. time graph and asked them to either create a velocity vs. time graph and acceleration vs. time graph from the position vs. time graph or to create a motion map and written description for it. I put these questions in the assessment to see how students have learned to represent motion in multiple ways.

Quantitative Representations of Motion

As seen in the video, these problems ask students to create graphs, create mathematical models, and solve problems using information from a quantitative velocity vs. time graph and a written description. I put these questions in the assessment so that I can see how students have learned what the slope and y-intercept represent on a velocity vs. time graph as well as creating mathematical models for the graphs.

Uniform Acceleration Calculations

As seen in the video, these questions asked students to use multiple equations to solve different problems for acceleration, velocity, time and distance. Students were given the equations at the front of the test and were not required to memorize them. I care more about how they use the equations and problem-solve than if they can memorize the equations. I include these on the assessment so I can see how students have learned how to use different equations to solve problems.

#### Resources

*expand content*

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- LESSON 1: Motion on an Incline Lab
- LESSON 2: Lab Extension, Day #1
- LESSON 3: Lab Extension, Day #2
- LESSON 4: More Representations of Motion for Uniform Acceleration
- LESSON 5: Uniform Acceleration Calculations, Day #1
- LESSON 6: Uniform Acceleration Calculations, Day #2
- LESSON 7: Free Fall Lab, Day #1
- LESSON 8: Free Fall Lab, Day #2
- LESSON 9: Free Fall on Planet Newtonia
- LESSON 10: Free Fall Wrap-Up
- LESSON 11: Uniform Acceleration Calculations Review Day
- LESSON 12: Uniform Acceleration Conceptual Review Day
- LESSON 13: Uniform Acceleration Lab Practical
- LESSON 14: Uniform Acceleration Unit Test