Find it in the mushaf: Surah Al-Qalam is surah 68. Find ayah 42. The key words yud'awna ilas-sujud mean they will be called to prostrate. Scholars explain the opening words of this ayah in different ways; your teacher can tell you more. What's clear is that it's a Day of great difficulty. Those who refused to prostrate in this life will not be able to then.
Fact: What happens to a muscle when you use it regularly?
Ages 5–8: Habit chain. Make a paper chain and add a link every time you pray on time.
Ages 9–12: Habit science. Find out how long it usually takes to build a new habit.
Finish with: "I found that a muscle used often becomes ___."