Making Change and Counting Coins

Coins are ___________ in shape.

• Rectangle

• Triangle

• Round

• Diamond

Which of the following materials is commonly used to make coins due to its durability and resistance to corrosion?

• Iron

• Copper

• Plastic

• Wood

What is the primary reason for using metals in coin production?

• They are lightweight

• They are magnetic

• They are durable and long-lasting

• They are colorful

Which scientific principle explains why coins sink in water?

• Buoyancy

• Density

• Magnetism

• Evaporation

What property of metals makes them suitable for use in coins, allowing them to be easily shaped and imprinted?

• Brittleness

• Malleability

• Transparency

• Elasticity

Which of the following processes is used to create the designs on coins?

• Engraving

• Painting

• Sculpting

• Weaving

Why is copper often used in the core of coins?

• It is very expensive

• It is lightweight

• It has antimicrobial properties

• It is a poor conductor of electricity

What is the term for the study of coins and currency?

• Numismatics

• Cryptography

• Cartography

• Philately

Which of the following is a real-world application of understanding the composition of coins?

• Predicting weather patterns

• Designing electronic circuits

• Preventing counterfeiting

• Growing plants

Tags

NGSS.MS-PS1-1

How does the concept of density relate to the ability to distinguish between real and counterfeit coins?

• Real coins are always heavier

• Counterfeit coins have a different density

• Density is not related to coin authenticity

• Real coins are always lighter