Substances may also be classified into acids and bases. In the laboratory, we identified which common household substances are acidic or basic by using blue and red litmus paper. We tested the following substances: toothpaste vinegar calamansi detergent powder chlorine soda The substances were dissolved…
Author: Ariel Lalisan
Ariel Lalisan is a physics teacher at Alabel National Science High School. He is an advocate of constructivism approach in education. He employs active learning and independent learning in his lessons, and, of course, a lot of technology integration. His goal is to produce students who can solve problems on their own using the concepts they learn in the classroom.
Ariel Lalisan is a Google Certified Innovator (Google Teachers Academy Southeast Asia 2014) and a community leader at Google Educator Group Sarangani.
He is a co-founder of SoCCSKSarGen and he won the Globe Media Excellence Blogger of the Year Award in 2015.
Grade 7 Science: Elements, Compounds and Mixtures
As a culminating lesson, I held an interactive lecturette with my students, where we summarized what we have learned the first two chapters of the Learner’s Material for Grade 7 Science. We first recalled the big ideas behind the previous laboratory activities from properties of…
Transforming the Classroom with Google
IN THIS post I wrote a narrative of my presentation during the GDays General Santos held at SM City General Santos on May 3, 2014, organized by Google Business Group GenSan. Here is the presentation: When I decided to become a teacher, I vowed to…
Review Questions: Earth and Environmental Science
Hi, Grade 7 students! Here is a set of questions based on the topics we have discussed in class. This is only the first set. Answer this as part of your requirements, but I hope you also see the opportunity to use these questions to…
Grade 7 Student-Made Presentations
Here are the presentations created by my Grade 7 students. These presentations contain information about Geographic Coordinate System and how it is used in determ Grade 7 Earth Geographic Coordinate System Water Resources & Biodiversity Factors Affecting Watersheds Formation of Soil from Rocks Geological Resources…
Grade 7 Catch Up Activities
Hi, guys! Here are the topics for our catch up activities. Please prepare a PowerPoint Presentation containing the following information. Be ready to present your PPT in the class. I am expecting your PPTs on Monday, February 17, 2013. Topic # 1: Where in the…
Educational Video Project
The following topics are applications of the topics we have recently discussed in class. What you will do is to come up with a short video featuring 10 Important Things that People Should know about these topics: Group I – The Telephone and Cellular Communication…
Grade 7: Methods of Heat Transfer
HAVE YOU experienced touching a hot object–like the cover of your kettle? Your reflexes immediately responds to the heat that is being transferred from the hotter metal to your colder hand, thus, you pull your hand back, right away. That is an example of energy…
Review Questions: Optics
HERE ARE five multiple choice questions on select topics in optics.
3 Ways to Develop Intrinsic Motivation
AS TEACHERS it is imperative that we motivate our students before every lesson. We can think of so many ways to get them hooked into the lesson. There can be games. There can be rewards or prizes for good performance and behavior, or negative motivation…
