Make Edible Glass Hearts!

What happens to glass when it is recycled?

• It is used as sand.

• It is buried in the ground.

• It is melted and reshaped.

• It is thrown away.

What is the original form of glass before it is made?

• Water

• Metal

• Sand

• Wood

How does sand transform into glass?

• By freezing it

• By cooling it down

• By heating it to high temperatures

• By mixing it with water

What is used as a substitute for sand in the candy heart experiment?

• Baking soda

• Flour

• Isomalt

• Salt

What happens to the isomalt after it is melted and cooled in the mold?

• It evaporates.

• It retains the shape of the mold.

• It becomes a liquid again.

• It turns back into grains.