River Field Study-Data Collection 6

Date: April. 8,2019. We went to the Wenyu River for field study. Sunny. There are flowers on the ground and the threes turned green. In Quadrant 1, there are no insects. For quadrant 2, there are some spiders, bugs, and ants.

Caption: This is the data table for our 2 quadrants. In April, some of the insects disappeared.

Caption: This is the graphical display.


Project Recharge Unit Reflection

Caption: Me and my group performing the child who is working at the cocoa farms.

Unit Reflection:

Looking back on Project Recharge, I learned about child labor and how chocolate is made. For example, I researched on how companies make their chocolate. In Ferraro, there use child labor to get the cocoa beans.Children not only have the low pay, also they are working in horrible conditions. So, I think the children don’t have the freedom to go to school, but the cocoa farmers have the power to let them work. Also, I learned how to make citations using noodle tool. A citation needs to have the name of the book, article, or other resource; the name of its author; information about the journal it came from; the date it was published; and when it was accessed if it was read online. Before this project I used to think chocolate does not use child labor and it’s very easy to be made, but now I think the children making chocolate are very tired and children aren’t going to school, but working to make chocolate. For example, I found out that in contrast the children are working for the Ferrero cocoa supplier chain only earning 50 cents to 90 cents a day, whist the average of those living in extreme poverty in the world earn about $1.90 USD a day. This is shocking data that these cocoa farm workers’ families and their children have to work 13 hours a day but earn the least amount of money that anyone in the world could earn. When I found out that many chocolate companies are using child labor, now I only buy chocolates that are child labor free.Looking back on Project Recharge, I realize that power is very important because if you have the power, you can have the freedom to do things. For example, the children in the cocoa farm don’t have the power and freedom, but the farmer have the power so he can control the children.

Broke Food Drop 0

In Project Collisions, I am creating a system to deliver McDonald’s by drones. The drone will release the package from a height of up to 10 meters and my job as an engineer is to develop a solution so that the package is protected in its fall.

For Drop 0, a package with the dimensions of 20cm (height), 25cm (length), and 20cm (width) was dropped from a height of 5 meters. Below is a photograph of the package:

The package will hold McDonald’s Burgers, sides, and drinks. Inside, items are organized like this:

The purpose of Drop 0 is to get baseline data about our package. The group developed a testing procedure so that we can be consistent on how data is collected throughout the design cycle.

  1. Check if iPads are both recordings
  2. Check if anyone is near the target. If so, ask them to move
  3. Hold the box right above the target and drop
  4. Take the box to the group table
  5. Record observations of the box and put them on the data table
  6. Record needed information from video data on the table

During the drops, I noticed that our drop is very accurate. The following data was collected:

The average time it took for our package to fall the 5 meters was 1.45sec. Using LoggerPro, we plotted out the fall of the package.

For the first time, we dropped the box from 5 meters above the force plate. The box fell down in a straight vertical line and landed on the force plate but immediately it bounced up and the box fell apart.

A force plate at the bottom of the drop was used to collect data on the impact force of the package. Our group was very accurate in dropping the package. As a project metric for accuracy, we want our package to drop within a maximum of 1 meter away from the target.

The force on impact was 98 N. As a project metric, we decided to reduce the force by 20%, which is about 170 N.

Summary: Project Metrics

Our team has decided that the three most important criteria to design towards are:

  • Metric 1: No spills – Nothing in the box can be spill or break.
  • Metric 2: Low force – Keep the amount of force as low as possible.
  • Metric 3: Accuracy – Land within 1 meter of the target.

Our group is now building the first prototype. I hope that we can decrease the amount of force and keep a soft landing.

Growing & Shrinking Eggs

  • My design is repeatable by another person because I show my work clearly.
  •  I realized that the data table (part of the investigative design) might have been an issuein my data collection because it’s too small and it’s not clear.
  • An improvement that I would make if doing this investigation again is to add more information to my data table. Also, I would like to complete the investigation by identifying all ten consent.
    investigative design
    final models


My house in 2050 ( 3D Printing)

Shawn’s Floor Plan
Manjishtha’s Floor Plan


Rebecca’s Floor Plan


This is our table.

This is our Print out top view of the group’s design in scale.

Teamwork: I think we did a good job collaborating. We can decide and create the floorplan for our characters. First, our group ended up with 2 finished designs and both were perfect. We overcame this challenge and decided on one. I really had a great time working with my teammates.