Slow Ride ChallengeSlow Ride Challenge

MaterialsMaterials Cardboard Base (42 x 32 cm)Cardboard Base (42 x 32 cm) 2 Smaller Cardboard Pieces 2 Smaller Cardboard Pieces 2 Pages of Construction Paper2 Pages of Construction Paper 1 Pipe Cleaner1 Pipe Cleaner 10 pieces of spaghetti 10 pieces of spaghetti 1 Paper Towel Square1 Paper Towel Square 1 meter of masking tape1 meter of masking tape 2 Glue Sticks (max)2 Glue Sticks (max)

- You will also get a glue gun to help - You will also get a glue gun to help assemble your design.assemble your design.

RulesRules -read the fine print! -read the fine print!

1.1. The time will be started when you release the The time will be started when you release the marble at the top and it will be stopped when the marble at the top and it will be stopped when the marble reaches the bottom of the cardboard marble reaches the bottom of the cardboard (42cm). (42cm).

2.2. The marble must be moving at all times once it The marble must be moving at all times once it is dropped! If the marble stops or gets stuck, is dropped! If the marble stops or gets stuck, your group will be disqualified.your group will be disqualified.

3.3. The only two forces that can affect the marble’s The only two forces that can affect the marble’s motion are gravity and friction.motion are gravity and friction.

4.4. You cannot use more than the provided You cannot use more than the provided supplies.supplies.

5.5. Any of the supplies can be altered EXCEPT the Any of the supplies can be altered EXCEPT the cardboard base MUST remain at its original cardboard base MUST remain at its original dimensions.dimensions.

6.6. The marble cannot come in contact with any The marble cannot come in contact with any glue (only the materials listed to the left can glue (only the materials listed to the left can affect the marbles motion).affect the marbles motion).

7.7. Nothing can be attached to the marble.Nothing can be attached to the marble.8.8. You cannot touch any of the materials once your You cannot touch any of the materials once your

marble is dropped.marble is dropped.9.9. Your cardboard base must be free standing with Your cardboard base must be free standing with

no props outside of the given supplies.no props outside of the given supplies.10.10. Your design must be approved by your teacher Your design must be approved by your teacher

to be considered for the contest.to be considered for the contest.11.11. Ms. Ryan or Ms. Aaron can make up any new Ms. Ryan or Ms. Aaron can make up any new

rules at any time :) rules at any time :)

Objective: Move a marble from the top of the cardboard to the bottom the slowest!

Slow Ride ChallengeSlow Ride ChallengeJournal Lab Write-UpJournal Lab Write-Up

1.1. Title:Title:2.2. Objective:Objective:3.3. Materials:Materials:4.4. Procedure: quality diagram sketch of design proposal with Procedure: quality diagram sketch of design proposal with

appropriate labelsappropriate labels5.5. Data: Data:

6.6. Analysis:Analysis:

Group Mass (kg)

Gravity (m/s2)

Height (m)

Distance (m)

Time (Sec)

Potential Energy (J)

Avg. Kinetic Energy (J)

Standings (class rank)

Slow Ride ChallengeSlow Ride ChallengeAnalysis QuestionsAnalysis Questions

1.1. Calculate the Gravitational Potential Energy (J) of your marble Calculate the Gravitational Potential Energy (J) of your marble at the top of your board.at the top of your board.

2.2. Calculate the Average Kinetic Energy (J) of your marble.Calculate the Average Kinetic Energy (J) of your marble.3.3. Compare the PE and KE of your marble. In theory, they should Compare the PE and KE of your marble. In theory, they should

be equal. If they are not, give TWO reasons for the be equal. If they are not, give TWO reasons for the discrepancy in your results.discrepancy in your results.

4.4. Do you see any correlations between your energy calculations Do you see any correlations between your energy calculations and the class ranks for each group? Explain.and the class ranks for each group? Explain.

5.5. If you wanted to sell your design to a very serious marble racer If you wanted to sell your design to a very serious marble racer who was willing to pay good money for the slowest marble in all who was willing to pay good money for the slowest marble in all the land…how would you convince him to buy your design? the land…how would you convince him to buy your design? Write a well constructed paragraph explaining why you Write a well constructed paragraph explaining why you think that your design will get the marble to the bottom of think that your design will get the marble to the bottom of the board the slowest.the board the slowest. Use Use ALLALL of the following words in your of the following words in your writing to convince them that yours will win.writing to convince them that yours will win.

– Mechanical, Energy, Potential, Kinetic, Gravity, Mass, Force, Mechanical, Energy, Potential, Kinetic, Gravity, Mass, Force, Friction, Velocity, Acceleration, Distance, TimeFriction, Velocity, Acceleration, Distance, Time

Slow Ride ChallengeSlow Ride ChallengeJournal Lab Write-UpJournal Lab Write-Up

1.1. Title:Title:2.2. Objective:Objective:3.3. Materials:Materials:4.4. Procedure: quality diagram sketch of design proposal with Procedure: quality diagram sketch of design proposal with

appropriate labelsappropriate labels5.5. Data: Data:

6.6. Analysis:Analysis:

Group Mass (kg)

Gravity (m/s2)

Height (m)

Distance (m)

Time (Sec)

Potential Energy (J)

Avg. Kinetic Energy (J)

Standings (class rank)

E/D DQ

Taylor DQ

M/A 5.8

V 8.8

P/E 9.7

W/C 10.9

G

R/M

Slow Ride ChallengeSlow Ride ChallengeJournal Lab Write-UpJournal Lab Write-Up

1.1. Title:Title:2.2. Objective:Objective:3.3. Materials:Materials:4.4. Procedure: quality diagram sketch of design proposal with Procedure: quality diagram sketch of design proposal with

appropriate labelsappropriate labels5.5. Data: Data:

6.6. Analysis:Analysis:

Group Mass (kg)

Gravity (m/s2)

Height (m)

Distance (m)

Time (Sec)

Potential Energy (J)

Avg. Kinetic Energy (J)

Standings (class rank)

L/Gwen DQ

M/Evan 14.5

J/B DQ

M/J 13.02

P/C/K 14.07

T/N DQ

B/t DQ

Slow Ride ChallengeSlow Ride ChallengeJournal Lab Write-UpJournal Lab Write-Up

1.1. Title:Title:2.2. Objective:Objective:3.3. Materials:Materials:4.4. Procedure: quality diagram sketch of design proposal with Procedure: quality diagram sketch of design proposal with

appropriate labelsappropriate labels5.5. Data: Data:

6.6. Analysis:Analysis:

Group Mass (kg)

Gravity (m/s2)

Height (m)

Distance (m)

Time (Sec)

Potential Energy (J)

Avg. Kinetic Energy (J)

Standings (class rank)