Intro to Material Science

What should be done with unused chemicals during a lab investigation?

• Return them to the original container
• Dispose according to the instructions
• Dispose in the sink
• Dispose in the trash

Which category of materials has good conductors that have luster?

• polymer

• metal

• ceramic

• glass

How should you test for odors during a lab investigation?

• listen for any noises
• waft
• ask a friend to sniff it
• sniff directly

A fluid that does not follow the laws of physics

• amorphous fluid
• non-Newtonian fluid
• colloid

Fluids that become thicker when adding energy, such as oobleck, are called _______.

• isotropic
• thixotropic
• dilatant
• colloid

What is created by adhering layers together? 

• dilitants
• ceramics
• glass
• composites

When should goggles be worn in the laboratory?

• when liquids are being used
• when a heat source is being used
• when working with glass
• all of the choices

Material science includes

• searching for new materials.
• modifying materials.
• understanding properties of materials.
• All choices

Materials that become thinner or liquefy when energy is added to them, such as blood or ketchup, are known as _____.

• isotropic
• colloid
• thixotropic
• dilatant

In polymers, a mer is considered one unit while poly means _____________.

• few

• many

• one

• link