Ψηφιακά μαθήματα

• Όλοι οι τύποι
• Μοντέλα 3D
• Εργαλεία και Παιχνίδια
• Ερωτήσεις κουίζ
• Λεξικό εικονογραφημένο
• Εγκυκλοπαίδεια 3D
• Ψηφιακά μαθήματα
• Τετράδιο
• Βίντεο
• Εικόνες
• Ήχος

I bet you are not strong enough to blow the table tennis ball out of the funnel.

I bet I can inflate a garbage bag faster than you.

I bet I can inflate a balloon inside a plastic bottle.

I bet I can look into a blown-up balloon without deflating it.

I bet I can shrink an inflated balloon without letting air escape from it or even touching it.

Η εξοικονόμηση ενέργειας είναι ευθύνη όλων, καθώς η κατανάλωση ενέργειας μπορεί σύντομα να υπερβεί τα όρια του πλανήτη.

I bet I can break a wooden skewer with one chop, even though only a few sheets of paper covers the part that is on the table.

I bet I can make a musical sound using a matchbox.

I bet if I cover a water-filled glass with a sheet of paper and I turn it upside down, water will not spill out.

I bet I can pierce an inflated balloon without bursting it by pushing a skewer right through it.

I bet I can send a bag airborne without throwing it upward.

I bet I can make a gun using a plastic tube and raw food materials.

I bet I can crush a plastic bottle with the help of a few litres of water.

I bet I can make a turbine using 3 straws.

I bet I can suck up your drink from your glass with this plastic bottle without squeezing it.

I bet I can move the coin covering the mouth of the bottle using only the warmth of my hands.

I bet I can play music using two straws.

I bet I can move a seesaw using a candle.

I bet I can light a matchstick using another one.

I bet I can pump the water from the bowl into the glass

I bet I can move completely burnt match heads using an invisible force.

I bet I can push off a matchstick from a coin standing on its edge inside a glass without moving either of them.

I bet I can put out the candle inside the glass.

I bet I can take the coin out without touching or knocking the matchsticks down.