Question

While planning an activity-based lesson on 'Acids and Bases', which of the following is the most effective way to check for students' previous knowledge?

• A. Giving students a quiz on chemical formulas of common acids and bases.
• B. Asking questions about the sour taste of lemons or the soapy feel of detergents.
• C. Having students draw diagrams of the pH scale without prior explanation.
• D. Asking students to list examples of acids and bases they encounter in daily life.

Answer 1

Answer:

B. Asking questions about the sour taste of lemons or the soapy feel of detergents.

• Connecting the new concept to students' daily life and experiences is an excellent way to assess their previous knowledge and engage them in the topic.