Digital lessons

• All types
• 3D scenes
• Tools and games
• Quizzes
• Picture dictionary
• 3D encyclopaedias
• Digital lessons
• Exercise books
• Videos
• Images
• Audios

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.

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.

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

I bet you won't be able to decide.

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

I bet that you cannot feel both sharp pencils.

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

I bet I can make chicken bone soft.

In this lesson you can learn about the famous Bulgarian writer and newspaper editor of the 19th century, who was one of the most important figures of the Bulgarian National Revival.

I bet I can differentiate between oil and water.

I bet I can feed many people using just a spoonful of yoghurt.

I bet I can turn a banana blue!

I bet I can make milk move without stirring it.

I bet I can detect cream adulteration.

I bet I can make a chicken bone brittle.

I bet I can add a stereoscopic effect to any picture.

I bet I can trick your taste sensation.

I bet I can mix oil and water.

I bet I can make water move in the pan using heat.