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A lesson about the landforms and continents of Earth.

A glimpse into science fiction through the works of some great writers.

A summary of the physics of waves for high school students.

This lesson explains the various types of vaccines.

You can learn about the types of muscle tissue and their characteristics.

You can learn about neurons and glial cells, components of nervous tissue.

I bet I can prevent apple slices from turning brown using lemon juice.

I bet the putty in my hand will bounce back from the table.

I bet that the paper tissue will be in flames but will not actually burn.

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.

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

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