Aktiviti ini direka untuk menguji pemahaman pelajar tentang:

Kecerunan adalah nilai penting yang mewakili kadar perubahan. Gunakan formula:

While the "full answers" provided above serve as a guide, the true value of Activity 13 lies in the process of Scientific Investigation Skills (Kemahiran Proses Sains). Simply copying the answer key defeats the purpose of the KSSM curriculum.