Today's class is a presentation from Group 1. The presenters are Faiqah, Najah, Azani, and Azam. They present a topic of observation and explanation in science. They present thorough WhatsApp and prepare a discussion video on Youtube for us to watch. After watching the video, they provide a QnA session for us to ask anything regarding the topic. At the end of the presentation, they prepare an activity in which they ask us to explain the two situations given:
- Ali pulls a box without trolley while Abu pulls a box with a trolley. Who will arrive at the store first?
- The rainbow is very beautiful. What color of the rainbow?
My group chooses to explain the second statement:
Claim: Rainbow has 7 colors
Evidence: A rainbow has seven colors because water droplets in the atmosphere break sunlight into seven colors.
Reasoning: A prism similarly divides light into seven colors. When the light leaves one medium and enters another, the light changes its propagation direction and bends. This is called refraction.
Theory and law used in this situation: Refraction theory and Snell’s law.
Summary of this topic:
From their presentation, I can summarize that observation consists of receiving the knowledge of the outside world through our senses or recording information using scientific tools and instruments. There are two types of observation, which are quantitative and qualitative. Any numerical collection data that we observe can be classified as a quantitative observation. Meanwhile, qualitative observation deals with data that we observe through our senses like sight, hearing, smell, taste, and touch can be experienced with. For explanations in science, we use measurements and observations to describe what we see in the natural world. The explanations must match with the evidence and in line with logical thinking.
Here, I include their video presentation.
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