My best intentions for keeping a schedule of posting have come to naught under the weight of other digital responsibilities. That is not to say however that we have been idle in the STEM Lab. Quite the contrary, we have been designing, programming, and building up a storm.
So here is the short version of what the various grade levels have been up to these last couple of months.
Kindergarten & 1st grade
We spent several weeks exploring the nature to be found on campus. Students used their senses (not taste) to make and record observations about the living and non-living natural things they saw. We walked around campus noting the different types of trees, the birds, and even visited the habitat to see the pond. One of the most exciting things was getting to monitor the progress of a robin nest in a crepe myrtle outside one of the kindergarten classrooms. We made leaf rubbings and created pictures using natural materials as well.
The next unit was a return to computer programming. However, the focus this time was on creative computing rather than solving puzzles as we do in Code.org. We used the language Scratch Jr. for its ease of use. Each class began with a guided lesson followed by an independent practice challenge. Once students had completed the challenge they were invited to create their own programs with self designed characters and backgrounds. One of my main goals for the lab is that students see computer programming as a tool for self expression and sharing their learning. I start teaching them that lesson early and I am endlessly impressed with their creativity.
2nd grade
One of my favorite things to do with my second graders is to introduce them the "real" Scratch. Most of them have been using Scratch Jr. since kindergarten and stepping up to the full version make them feel like they are now the big kids. This was a 2 part unit (on account of the fact that I only have one week with the class rather than two. The first week was guided practice using the various commands and relating them to the Scratch Jr platform that they are familiar with. The second week involved planning and then programming an "All About Me" project in which clicking each letter of their name shared something about them.
Second grade's final unit of the year is, like their introduction to Scratch, about preparing for next year's STEM Lab projects. This one aims to develop the students' cardboard engineering skills. In the lab, our primary building material is cardboard. It is plentiful, easy to work with, and sturdy enough to build large structures. The students practiced constructing models using L-braces, flanges, and slotted pieces before combining these methods into a stabile. I have discovered that most students do not know how to effectively use liquid glue, so that is another one of the goals of this unit.
3rd Grade
The third graders also experienced a 2 part unit, this one involving the BBC Micro:bit device. This is a microcontroller that students program using a block-based language called MakeCode. The first week was spent becoming familiar with the various inputs and outputs found in the Micro:bit. The primary inputs students learned to use are buttons, the accelerometer (tilt sensor), and the I/O pins. They used these inputs to trigger outputs to the 5x5 LED screen and sound effects played through an add-on speaker board. The next time they visited the lab, students built a model animal with cardboard and construction paper and incorporated a Micro:bit running a program of their own creation to make their animal interactive.
The last 3rd grade STEM Lab unit was an introduction to the concept of "broadcasts" in Scratch. A broadcast sends messages between different elements of a program allowing the students to coordinate their these elements to create projects of greater complexity. Here are a couple examples.
4th grade
Our 4th graders spent a few extra units on Scratch this year. We were involved in piloting lessons and activities put together by the
Creative Computing Lab at the Harvard Graduate School of Education. These projects seek to develop students' coding skills while also developing their creative confidence. One of my overarching goals in the lab has always been to make students comfortable with open-ended tasks with many possible solutions. The general emphasis on standardized test results tends education toward standardized answers. Students display this training by point at whatever they are working on and asking, "Like this?". A collection of the projects they created for these units can be found here:
When Clicked,
Broadcasts,
Ask & Answer.
After so much computer programming we took a break to do some purely physical making. This was the "biography bottles" research project. Students researched an important figure from the sciences. They then built a model of that person with plastic bottles, cardboard, and construction paper. They completed their display with a timeline of significant dates in that person's life and a notecard detailing their contributions and accomplishments.
The 4th grade is finishing the year setting up a project for next year when they are in 5th grade. My wife is also an elementary STEM lab teacher (at another school of course) and in 2020 we were awarded a summer study grant from
Fund for Teachers, an organization that funds self designed professional development experiences for teachers. Our grant will help us visit the Galapagos Islands to create a model
GeoInquiry project based on the framework created by National Geographic. This type of project engages students in geographic thinking and encourages them to take action to improve their communities. Students have been researching things to see and study in the Galapagos and will begin writing questions for us to ask the naturalists and guides we meet with on our expedition.
5th grade
My 5th grade students are often "asked" to be a beta testing group for new STEM lab units and this year is no different. Related to the aforementioned GeoInquiry project related to the Galapagos, I want to include GIS mapping next year when we review the data related to our expedition. Never having used this kind of technology with students, I wanted a test drive. I find 5th graders to be brutally honest about what works and what does not when given the chance (and when they trust the teacher enough to be honest with them). We worked with a number of resources including surveys and map explorations. I am extremely grateful for the feedback the students provided. Another part of this unit was a set of
Skype-a-Scientist meetings. They facilitate connections between scientists in a variety of fields and classroom teachers.
The 5th grade finished the year with a couple units based on art. In the first they used their skills in Scratch to "hack" a famous work of art. The result is a painting that one can interact with by clicking the different parts. Here are a couple examples:
The other art-meets-programming project used Turtle Art, a language based on Logo that allowed students to draw with code. This drew (haha) not just on their knowledge of coding, but on their geometry skills as well. I was quite impressed with the things they were able to make.
So there you have it, everything we have been up to the last few months. It is certainly been a strange and taxing roller coaster of a year and I certainly hope that the 2021-2022 school year will be a bit more normal.
Check here for updates on the Galapagos expedition.
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