High School Kinematics
Christina Spriggs
Title of activity
Kinematic Equations
Concept covered in activity
The main concept being introduced are the three main 1-D kinematic equations at a constant acceleration.
Grade level or other prerequisites for activity
High school
Standards:
National Standards: Grades 9-12. Content Standard B Physics: Motion and Forces
State Standards: high school, 1) physical science 1.Newton’s laws of motion and gravitation
Learning objectives:
Students should be able to demonstrate their understanding of the tree kinematic equations by completing calculations and relating/applying them to given situations.
Materials:
Science Notebook
Worksheet
Computer/ Internet/ Projector
Procedure/activity:
| |Student Activity |Teacher Activity |
|Engage |Students will take Pre-Quiz on the |Give students pre-quiz on the relationship|
| |relationship between acceleration, |between acceleration, velocity, time and |
| |velocity, time and distance |distance |
|Explore |Watch Video |Video: |
| |Will the car stop in time? |
| | |(starts at 1:25) |
| | |Ask the students if they think the car |
| | |will stop in time. |
| | |Inform students that by the end of the |
| | |class they will be able to calculate if it|
| | |will or not |
|Explain |Students record equations, variable |Write equations on board |
| |meanings and units for each variable in |Explain the variables |
| |their science notebooks |Give and describe units paired to each |
| |Relate back to previous lessons in science|variable |
| |notebooks |Relate to past lessons on velocity, |
| | |acceleration and position and the graphs |
| | |accompanying those concepts |
|Elaborate |Work through practice problems with |Do several practice problems on board |
| |teacher and record in science notebook |relating to students’ everyday lives |
| |Get into groups of 2 or 3 and solve given |(soccer, football, driving a car…) |
| |problems |Then write problems on board for students |
| |Solve Video Problem |to solve in groups of 2 or 3. |
|Evaluate |Students will solve the problem from the |Write data on board for problem in video |
| |initial video (will the car stop in time?)|Solve the video problem on their own (will|
| |Watch the rest of video for the result |the car stop in time?) |
| | |Play result |
Assessment:
Formative: Students will be informally assessed throughout the class as I listen to their group discussions while they try and figure out their given group problem and also when they are explaining their findings to their classmates. I can also gather this from what is being written in their science notebooks.
Summative: Student will also have a formal assessment that will be turned into me at the beginning of the next class. This will be a worksheet consisting of three graded kinematic problems. For extra credit, students will develop their own kinematic motion equation and solve it using one of the kinematic equations from this lesson.
Rubrics for grading:
| |1 |2 |3 |4 |
|Diagrams |Diagrams are present but |Diagrams present, neat |Diagrams present, neat |Exceptional use of |
| |are sloppy and unlabeled.|and labeled |and labeled correctly |diagrams, labeled |
| | | | |correctly and neat. |
| | | | |Referred to in |
| | | | |explanation and |
| | | | |calculations. |
|Calculations |Attempted calculations |Calculations use given |Calculations use given |Calculations use given |
| | |formulas and on correct |formulas correctly and |formulas correctly and |
| | |track. |come to a reasonable |come to the correct |
| | | |conclusion. |conclusion. |
|Scientific Explanation |A broad and undetailed |A detailed explanation is|A detailed and reasonable|A detailed and correct |
| |explanation is given |given |explanation is given and |explanation is given and |
| | | |somewhat refers to |includes references to |
| | | |diagrams and calculations|diagram and calculations |
Worksheet (assessment):
1) A race car starting from rest accelerates uniformly at a rate of 4.90 meters per second². What is the car’s speed after it has traveled 200 meters?
2) A car traveling on a straight road at 15.0 meters per second accelerates uniformly to a speed of 21.0 meters per second in 12.0 seconds. The total distance traveled by the car in this 12.0 second time interval is?
3) Ben is waiting at a stoplight. When it finally turns green, Ben accelerated from rest at a rate of a 6.00 m/s2 for a time of 4.10 seconds. Determine the displacement of Ben's car during this time period.
Anticipated misconceptions/alternative conceptions:
Acceleration is not always constant
That acceleration can be negative
Velocity and acceleration are negative or positive depending upon the directing
Accommodations/modifications of activity for any special needs students (special education, ELL, and gifted/talented):
Special need students will have an assigned aid to help them with group project and assessment if needed, but will still be included in a group throughout the lesson. If necessary, assessment will be altered according to needs.
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