The Viafocus library
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Heartbeat Boat — Why do rowers need a drummer?
12 questions · 8 min

The Key That Fits — How does a key open a lock?
13 questions · 10 min

The Long Way Round — Why is the milk at the back of the shop?
31 questions · 15 min

Tornet till rymden — vad heter talet när man lägger till en nolla?
12 questions · 9 min

Hide the Moth — How does natural selection work?
16 questions · 12 min

The Clock That Found the World — What is longitude and how did a clock solve it?
31 questions · 15 min

Utanför bilden — hur kan en bild ljuga? Källkritik för åk 4–6
27 questions · 14 min

The Mind Reader — How can a machine predict what you will do next?
11 questions · 12 min

Det vikta bandet — vad betyder täljare och nämnare i ett bråk?
13 questions · 12 min

Thin Ice — What is pressure?
11 questions · 7 min

It Never Came Closer — Why is summer hotter?
14 questions · 10 min

Two Stickers — Is 50% off then 20% off really 70% off?
11 questions · 8 min