Start with bismillah.

Ask: "What's the difference between guessing and knowing for sure? How do you know the sun will rise tomorrow?"

Watch the short video about how Eratosthenes, more than 2,000 years ago, worked out the size of the round Earth using shadows.

Now listen to the ayah together in the app, with the translation. Ask: "What would change if people knew for certain?"

Each child keeps one wonder question, for example: "How can I be sure about what I believe?" Younger children can draw theirs.

Find it in the mushaf: Surah At-Takathur is surah 102. Find ayah 5. Which word in the translation is about being certain?

Fact: What clues did people long ago use to know the Earth is round?

Ages 5–8: Guess or know? Sort sentences into "I guess" and "I know for sure" (it will rain today, I have two hands, my friend likes red…).

Ages 9–12: Shadow test. With a friend in another town (or another time of day), measure the shadow of the same-length stick at the same time. Are the shadows the same?

Finish with: "I found that I know ___ for sure because ___."

Talk together:

• What do we know for sure, without any doubt?
• Which name of Allah does this remind you of?
• How would you live if you were completely sure Allah sees everything?
• How can we grow more certain in our faith?
• What questions do you want to take to your Quran class?

Make a small plan: "This week, I will learn one sure thing about Allah from the Quran at ___ and think about it."

• Play the "guess or know" game at dinner.
• Look at the lunar eclipse picture: the curved shadow on the Moon is the Earth's! Explain it to someone.
• Next time: the next ayah (102:6) is a warning. Explore it together, gently.

Action: Put your plan into action, then tell someone how it went.