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I bet I can prove that 1 plus 1 is not always 2.

I bet I can build a volcano on the tray.

Our blood circulates continuously in the circulatory system.

What did the Persian polymath teach to Europe and the entire world?

I bet the mixture of two colourless solutions will become white.

I bet tomato juice can lose its colour.

I bet mixing white with white can result in pink.

I bet I can make a coke fountain.

I bet I can pick the used matchstick from the box without opening my eyes.

I bet my boat can be propelled by soap as a fuel.

I bet I can throw at least 10 paper clips into a glass full of water and the water will not spill over.

I bet I can teach a paper clip swim.

I bet I can turn water milky white.

The international day of the mathematical constant π is celebrated on 14 March.

I bet the bread will taste sweet in your mouth without adding sugar.

I bet that I can make an underwater volcano, using salt.

I bet that tonic water will glow in UV-light.

I bet I can turn red wine into white wine.

I bet I can peel an egg without breaking it and mixing its yolk and white.

Is it cold or is it warm? I bet you can't decide.

I bet that you cannot feel both sharp pencils.

I bet I can separate white light into its colourful components using soap and water.

I bet you won't be able to decide.

I bet that, using fruits, I can make batteries that can power a watch or a calculator.