Browse Questions
Find answers to academic questions from our community
What’s the simplest way to balance a chemical equation?
Students often struggle with balancing equations — any tricks?
Action-reaction pairs
When you jump off a boat, why does the boat move backward?
Why do magnesium ribbons burn with a bright light?
Why is it so dazzling?
Momentum
Why do athletes run before taking a long jump?
Why does milk turn sour in summer?
Is it a chemical or physical change?
Friction role
Why do cars have treaded tires instead of smooth ones?
What are redox reactions in daily life?
Are rusting and respiration redox processes?
Force without contact
How does a magnet pull an iron nail without touching it?
Why do effervescent tablets fizz in water?
Why do bubbles form instantly?
Seatbelt safety
Why are seatbelts important in cars?
What’s the difference between endothermic and exothermic rea...
Can you give real-life examples?
Heavy & light fall
Does a heavier ball fall faster than a lighter one?
Why does iron rust faster in coastal areas?
Is saltwater responsible?
Rocket propulsion
How does a rocket move in space where there’s nothing to push against?
What is the role of a catalyst?
How does a catalyst speed up a reaction?
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