Diamond Quiz

What is the hardest material on the qualitative Mohs scale?

• Diamond

• Graphite

• Quartz

• Ruby

Answer explanation

Diamond is the hardest material on the qualitative Mohs scale, making it the correct choice.

Which element is diamond a solid form of?

• Silicon

• Boron

• Carbon

• Oxygen

Answer explanation

Diamond is a solid form of Carbon, making Carbon the correct element.

Tags

NGSS.HS-PS1-1

What structure do diamond atoms arrange in?

• Monoclinic

• Diamond cubic

• Hexagonal

• Orthorhombic

Answer explanation

Diamond atoms arrange in a diamond cubic structure, not in monoclinic, hexagonal, or orthorhombic structures.

Tags

NGSS.HS-PS1-3

NGSS.HS-PS2-6

What is the typical color range of natural diamonds?

• Only transparent

• Only blue

• Only red

• Yellow, brown, or gray to colorless

Answer explanation

The typical color range of natural diamonds includes yellow, brown, or gray to colorless, not just one specific color like blue or red.

Tags

NGSS.HS-PS1-1

What property of diamond is used in cutting and polishing tools?

• Elasticity

• Electrical conductivity

• Hardness

• Thermal conductivity

Answer explanation

Diamond is used in cutting and polishing tools due to its property of hardness, which allows it to effectively cut and polish other materials.

What can cause colors in diamonds?

• Exposure to sunlight

• Impurities and structural defects

• Only impurities

• Only structural defects

Answer explanation

Colors in diamonds can be caused by impurities and structural defects, not just one of them individually.

What is the age range of most natural diamonds?

• 100 years to 500 years

• 10 million to 50 million years

• 500 million to 1 billion years

• 1 billion to 3.5 billion years

Answer explanation

Most natural diamonds are between 1 billion to 3.5 billion years old, making this the correct age range for natural diamonds.

What is the main source of industrial diamonds?

• Alluvial deposits

• Synthetic production

• Lamproite pipes

• Kimberlite pipes

Answer explanation

Industrial diamonds are mainly sourced through synthetic production, where they are created in a controlled environment rather than being mined from natural deposits like alluvial, lamproite, or kimberlite pipes.

Tags

NGSS.HS-ESS3-2

What is the primary gemological characteristic of gem diamonds?

• Dispersion of white light into spectral colors

• Uniform color

• Specific gravity

• Thermal conductivity

Answer explanation

The primary gemological characteristic of gem diamonds is the dispersion of white light into spectral colors, creating the diamond's fire and brilliance.

Tags

NGSS.MS-PS4-2

What is the main purpose of the Kimberley Process?

• To guarantee the quality of diamonds

• To ensure diamonds are mined sustainably

• To regulate the price of diamonds

• To prevent the trade of conflict diamonds

Answer explanation

The main purpose of the Kimberley Process is to prevent the trade of conflict diamonds.

Tags

NGSS.HS-ETS1-1