Material World

Front

A material is an object that is made of ___

Back

matter

Front

Properties of an object describe its ___

Back

distinguishing qualities

Front

Which of these is NOT a property of a desk? brown, medium-sized, weighs a few kilograms, malleable

Back

malleable

Front

People that study the properties of materials and how to make them better are called ___

Back

material scientists

Front

By heating it with charcoal, iron can form a new material called ___

Back

steel

Front

How does steel compare to the properties of iron?

Back

steel is harder, and less malleable

Front

What were the two main original uses of steel? Options: weapons and tools, utensils and tools, weapons and anchors, cutlery and utensils

Back

weapons and tools

Front

Most phones today use a new kind of glass called ___

Back

gorilla glass

Front

To make glass stronger, material scientists dipped it in a hot solution of ___

Back

potassium

Front

What were the new properties of glass, due to the exchange of particles?

Back

more strength and less likely to crack