Science of Nappies

What is the American term for 'nappies'?

• Towels

• Diapers

• Napkins

• Pads

Why do babies need nappies?

• To keep them warm

• To absorb urine

• To help them sleep

• To protect their skin from the sun

What is used to create fake urine in the demonstration?

• Blue food coloring

• Red food coloring

• Green food coloring

• Yellow food coloring

What material is found on the outside of a nappy?

• Plastic

• Silk

• Cotton

• Wool

What is the purpose of the cottony material inside a nappy?

• To add weight

• To absorb liquid

• To provide comfort

• To make it colorful

What is revealed when the cotton wool in a nappy is broken apart?

• A blue liquid

• A red crystal

• A white powder

• A green gel

What do the water-absorbing crystals inside a nappy resemble?

• Rocks

• Orbeez

• Sand

• Glass

What is the purpose of the magic trick demonstrated in the video?

• To make a cup float

• To create a rainbow

• To change the color of water

• To make water disappear

What is the key component used in the magic trick?

• Nappy plastic

• Nappy cotton

• Nappy tape

• Nappy crystals

What happens to the water when it is added to the nappy material in the magic trick?

• It changes color

• It evaporates

• It is absorbed

• It freezes