Money

What is the primary element used in the production of coins?

• Copper

• Iron

• Gold

• Silver

Which scientific principle explains the corrosion of metal coins over time?

• Oxidation

• Reduction

• Sublimation

• Condensation

What is the main reason for using alloys in coin production?

• To increase weight

• To enhance durability

• To improve appearance

• To reduce cost

Which metal is commonly used in the core of modern coins to reduce cost?

• Zinc

• Lead

• Tin

• Nickel

What is the term for the study of money and its management?

• Economics

• Numismatics

• Cryptography

• Anthropology

Which process is used to imprint designs on coins?

• Casting

• Minting

• Forging

• Welding

What is the scientific term for the study of metals and their properties?

• Metallurgy

• Geology

• Biology

• Chemistry

Which property of metals makes them suitable for use in coins?

• Brittleness

• Malleability

• Transparency

• Elasticity

What is the main reason for the use of copper in electrical wiring, which is also used in coins?

• High density

• High conductivity

• High melting point

• High reactivity

Tags

NGSS.MS-PS2-3

Which scientific concept explains the change in color of old copper coins?

• Oxidation

• Reduction

• Sublimation

• Evaporation