Edublog: Uncovering Wisdom through Pedagogy

#HBL 10: Using Loom to Screen Record for Asynchronous Home-based Learning Lesson

For anyone who wants to use screen recording for asynchronous lessons for your students, you can consider using Loom.

Loom can be downloaded as a desktop app. What I like about Loom Pro (free for educators) is that you can choose how much of the screen you want to capture.  In addition, you have 3 choices when recording – Screen only, Screen and Cam or Cam only.  In the Screen and Cam option, it captures the screen you want to show, and also shows a small window/circle showing you talking at the same time (via front facing camera as per Zoom or Google Meet).

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#HBL 9: Learning Karvonen Method in Physical Education Home-based Learning Lesson

Year/Subject: Secondary 2 Physical Education (PE)

Topic: Karvonen Method

Teaching strategy: Flipped classroom, asynchronous lesson

ICT platform: Google Classroom

During a Physical Education home-based learning (HBL) lesson this year, the students learnt how to use the Karvonen Method to find out the intensity of the dance exercise that they will be doing.

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Using Smartphone Microscope for Teaching and Learning in Biology Lesson

Year/Subject: Secondary 3 Biology

Topic/Unit: Cells

Teaching Tool: Smartphone Microscope 

Introduction

Microscopes allow students to see objects that are too small to be seen by the naked eye and are an important tool for teaching students on the microbial world as well as the structures of cells. However, as the number of microscopes in the laboratories is limited, students often have to share microscopes and this leads to a significant amount of waiting time and learning might be compromised. 

Traditional microscopes are also bulky and are unsuitable for use outside the classroom. Right now, specimens have to be collected from the natural environment and brought back to the lab for viewing under the microscope, limiting the amount of time that students have to observe their specimens.

Smartphone microscopes allow students to turn their smartphones into portable microscopes for scientific use, providing an affordable and easily accessible way for them to explore the microscopic environment. As the microscope attachment costs a lot less than an actual microscope, it allows for each student to be able to have an individual microscope during their practical lessons.

Use of Smartphone Microscopes in Practical Lesson

The lesson using the smartphone microscopes was carried out with Secondary 3 students for their first Biology Practical in which they were supposed to look at cells under the microscope and make a drawing of the cells. Below are some pictures of the students using the microscope and the pictures they took using the microscope app. 

Students using the microscopes in the laboratory:

Photos taken by students using the smartphone microscope as below:

Images of Human Squamous Epithelial Cells:

Images of onion epidermal cells:

Advantages and Disadvantages of Smartphone Microscope

From the lesson conducted and through surveys done with the students, several advantages and disadvantages of the smartphone microscope were found: 

Advantages

  1. Portable and can be used easily outdoors
  2. Relatively affordable
  3. Zoom is sufficient to see individual cells
  4. Setup is relatively simple and students are able to use the microscope quickly

Disadvantages

  1. Some students have difficulty setting it up
  2. Can only be used for handphones with one camera lens
  3. Resolution is not as good as conventional microscopes
  4. Software has some glitches

Conclusion

Overall, most students felt that the smartphone microscope was simple to use and was a good complement to the traditional microscope used in the laboratory. More uses for the microscope can be explored in the future e.g. using it for outdoors lessons in the school compound or allowing visitors to try out the microscopes during Open House.

Acknowledgement

The author would like to acknowledge Dr Sundari Prama and Ms Lee Tien for their contribution leading to the facilitating of this lesson. 

Posted by: Mr Kendrick Tan

Teacher

Science Department

Raffles Girls’ School

*Editor’s Note: 

The Science Team, comprising Mr Kendrick Tan, Ms Lee Tien and Dr Sundari Prama, was the recipient of the RGS 2020 Coyote Fund (innovation and experimentation), for piloting the use of Smartphone Microscope attachment for teaching and learning.

#HBL 8: Ways to Strengthen School Spirit and Foster Peer Support during Full Home-based Learning

Overview:

“Spark Cheer Beyond Our Classrooms” is a two-week-long school-wide initiative by Raffles Girls’ School (RGS) Leadership Boards, which comprise student leaders and teacher mentors from Peer Support Board (PSB) and Prefectorial Board (PB), House and Congress. This initiative aims to strengthen school spirit and foster peer support so that students’ physical, mental and emotional well-being will be taken care of to relieve the anxiety of being at home studying due to Covid-19 situation in April and May 2020, where there was a mandated school closure and a shift to full home-based learning.

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#HBL 7: Student-centred Learning with Jamboard in Mathematics Home-based Learning Lesson

Year/Subject: Secondary 3 Mathematics

Topics: Indices and surds; Logarithms

ICT tools: Jamboard

Teaching Strategies: Flipped classroom, cooperative learning and active learning

Introduction

The Jamboard is a cloud-based digital interactive whiteboard tool available in the Google Suite. Its basic features resemble those of a physical whiteboard, where the teacher or several students can walk up to it, pick up a marker and start writing. When given the access to view and edit on a Jamboard during the period of Home-based Learning (HBL), the tool provides a virtual simulation of the students’ learning environment in a physical classroom.

Screenshot 2020-08-13 at 6.54.03 PM.png (more…)

#HBL 6: Using Learning Cards in Geography Home-based Learning Lesson

Year / Subject: Secondary One Geography

Unit: The River System – Energy of River

Essential Question: Is the energy (flow) of the river constant throughout its course?

Teaching Tools: Learning Cards

Learning cards are useful tools for effective learning and revision for assessments. During home-based learning, the learning cards were designed and subsequently used in a secondary one Geography classroom. Below are examples of learning cards. (more…)

#HBL 5: Using Meet & Jamboard in Mathematics Home-based Learning Google Classroom

Year / Subject: Secondary One Mathematics

Unit: Approximation and Estimation

Lesson Objectives: Students will learn to

  • estimate, compute and verify sums involving real numbers and the different operations (addition, subtraction, multiplication, division, square, square root etc) and,
  • estimate and check the reasonableness of results.

Teaching Strategies:

  • Differentiated Instruction (DI): Differentiation by readiness.
  • Active Learning Process with Technology : Promote thinking and discussion, facilitate demonstration of learning (student-content, student-student, teacher-student interactions)

ICT Tools: Google Classroom, Google Meet, Jamboard

Overview:

At the commencement of Full Home-based Learning (FHBL), I managed to adapt the lessons materials and continue to conduct online synchronous lessons with my classes.  The synchronous segments of the lessons were largely didactic teaching about 20 mins, using google meet, powerpoint and the stylus pen. I would be writing, drawing and explaining the concepts etc. The remaining time was then set for students to complete a progress check and practice questions, and submitting their answers back to me as evidence of their learning.  I would then mark (using Kami) and return the work via Google Classroom.

Having allowed them to adjust to this new way of learning, while the students were all very motivated to learn, it was clear that the rich learning via group discussions that we used to plan for in class was missing.  There was a need to create the opportunity for them to discuss, clarify, affirm and learn from one another. Hence I created an online differentiated instruction (DI) and group discussion game plan as below. (more…)

#HBL 4: Using Pear Deck Slides in History Home-based Learning Lesson

Year/ Subject: Secondary 3 History

Unit: Authoritarian Regimes: Communist China under Mao Zedong (1949-1976)

Topic:  The Great Leap Forward

ICT tools: Pear Deck Slides

Pear Deck slides is an interactive way to teach History in an effective and engaging manner. I first learned about Pear deck slides from my Humanities Department colleagues who were using it to teach the Lower Secondary Students at the end of last year and I was immediately attracted to it as it was visually appealing and very easy to use. The school provided basic training on how to use Pear Deck and I tried it out in my History lessons during the full home-based learning at the time of the circuit breaker. (more…)

#HBL 3: Using different modes of Formative Assessments in Biology Home-based Learning Lesson

Year/Subject: Secondary 3 Biology

Topic/Unit: Protein structure

ICT tools: Pear Deck

Formative Assessment tools: Pear Deck Interactive Activity and Model Making

It might be challenging for students to understand the organisation of protein structure as it is more abstract and is not perceived to be relevant in students’ life. When this topic was taught during home-based learning (HBL), more scaffolding was provided so that the students can explore the concepts in bite-sized pieces. There are two important formative assessments (FA) used for this topic, namely a Pear Deck interactive activity conducted during a synchronous lesson and a performance-based assessment of making a simple model at home after the synchronous lesson. (more…)

#HBL 2: Useful Platforms for Online Teaching and Learning (Playposit, Classkick, Nearpod)

COVID-19 had sent schools all over the world into home-based learning for one period or another, and teachers had been scrambling to find suitable platforms to deliver their lessons beyond Zoom. At first, I thought that it would be easy… I would continue to deliver my lessons just as I have always done in the classroom, using my trusty arsenal of slides, the only difference being I would be doing this on Zoom at home.

Challenges faced

After three days, I realised that it was not really working out: My students complained that I was “breaking up” on Zoom and did not really catch what I was trying to teach. A few of them were popping in and out, because of unstable internet connections and missed various parts of the lesson. I could not see all my students’ faces (I have 35 in one class) on Zoom, so that I could look out for the cloud of confusion or the light of understanding flashing in their eyes. Worse, I was not even sure whether they were present in body, much less in mind. When I set them work to do during the lesson, I was not able to see how they were progressing, so that I could give on-the-spot feedback to put them on the right track.

Useful ICT tools: Playposit, Classkick, Nearpod

I found 3 online platforms that allowed me to overcome the above difficulties I faced teaching online and I love them so much that I am still using them even though face-to-face lessons in the classroom have resumed.  (more…)

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