YEARS 7–12 IDEAS
ARTICLES
FOR THE CLASSROOM
Enhancing Adaptability in Grade 9 Boys through Task-Based Learning (continued)
1. What are groups?
Task E: DEMO (White Bench)
2. What are periods?
Watch the demonstration from the teacher and answer the
questions
3 What is the atomic number?
4. What is atomic mass?
1. What is the trend of reactivity as the period increases?
5. How do you work out protons? Neutrons? Electrons?
2. What is the trend of reactivity as the group increases?
Task D: Youtube video (green room with headphones)
https://www.youtube.com/watch?v=thnDxFdkzZ 3. What do you think would be the most reactive element on the
periodic table?
Watch the video on the atom and answer the questions: Write
your answers in your science book. Task F: Jacplus 5.1
Read chapter 5.1 in Jacplus and answer the Questions 1-10 in
your Science book.
1. Describe the plum pudding model of the atom from the video?
2. What did Rutherford discover about the atom?
3. What is the nucleus?
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SCIENCE EDUCATIONAL NEWS VOL 67 NO 3