Please I really need someones help on this. I am crying rn bc noone will help me on here. so can you please just help me bc ive asked this question like 3 times now. I will give brainliest and all of my points if u hurry and your right. Design Ideas—Pros and Cons:

In this section, describe three design ideas you have for your train. List at least one pro (a positive) and one con (a negative) for each design option.

Description of Train Design

Pro

Con

Train One

Train Two

Train Three

Data:

Record the results of each of the test runs you make to the train station. Be sure to describe any changes you make to your train between each test run.

Train One

Train Two

Train Three

Test Results?

Any redesign?
Test Results?

Any redesign?
Test Results?

Track One

Track Two

Track Three

Name and Title:Lyric Howe, Mrs. Stefani, 9/20/17, Thermal Energy and Chemical Change Engineering LabDefine the Problem:To understand thermal energy and chemical changes better by building my own train.Criteria and Limitations—In this section, please list at least three criteria that must be met by your train design. Also include any limitations that could prevent it from getting its cargo to the station.CriteriaLimitations One steam engine  Two separate hills  One cargo box Missing tracks  Stack items across or atop each other Weight Design Ideas—Pros and Cons:In this section, describe three design ideas you have for your train. List at least one pro (a positive) and one con (a negative) for each design option Description of Train DesignProConTrain One Wheels first with two springs underneath each wheel, the panda cargo in the middle with the steam engine in the front, and two sets of helium balloons.

Explanation:

1.jews

2.poles

3.russians

4.gypsies

5. african americans

< 3

answer:

can you answer my question?

explanation: