The Wonders of Diamonds

What is used to cut the tiles in your toilet?

• Laser

• Diamond blade

• Steel saw

• Water jet

How much did the entire dish of synthetically grown diamonds cost?

• 100 pounds

• 200 pounds

• 50 pounds

• 5 pounds

In what decade were man-made diamonds first created?

• 1940s

• 1950s

• 1970s

• 1960s

What can be turned into diamond under the right conditions?

• Burnt toast

• Plastic

• Leaves

• Wood

What is diamond's position on the Mohs hardness scale?

• Midway

• At the bottom (softest)

• Just below the top

• At the top (hardest)

What is required to create diamonds? (Select ALL that apply)

• helium

• heat

• carbon

• pressure

What property of diamond allows it to cut ice like butter?

• Optical clarity

• Chemical stability

• High thermal conductivity

• Electrical conductivity

What element is diamond doped with to conduct electricity?

• Silicon

• Boron

• Nitrogen

• Phosphorus

Diamonds are made from which element?

• chicken

• carbon

• hydrogen

• magnesium

Diamonds are which type of rock?

• igneous

• malleable

• sedimentary

• metamorphic