Materials Science End of Year Assessment

What type of material is Bronze?

• a ferrous metal

• an organic material

• a metal alloy

• a ceramic material

Which of the following is a useful characteristic of ceramic materials?

• they can deform plastically before failure

• they can be machined easily

• they are brittle

• they have excellent resistance to heat

An engineering application requires a material that is an electrical insulator, is lightweight, and easy to form. Which group would be a good choice to look for a suitable material?

• ferrous metals

• non-ferrous metals

• polymers

• ceramics

Tags

NGSS.HS-PS2-6

What type of material is steel?

• ceramic

• polymer

• metal

• composite

Silicon carbide is a high strength, hard, brittle material. It has very good resistance to high temperatures and is normally processed as a powder. What type of material is silicon carbide?

• ceramic

• polymer

• metal

• composite

Tags

NGSS.HS-PS2-6

Which of the following are true of polymer materials? Choose all the right answers.

• Polymers consist of long chains of repeating subunits called mers.

• Polymers are large organic molecules.

• Polymers have electrical insulating properties.

Tags

NGSS.HS-PS2-6

Some polymers can exhibit large elastic deformation when under load. Which type of polymer has this characteristic?

• thermoplastics

• thermosetting plastics

• elastomers

Which of the following is the least reactive alkali metal?

• Lithium

• Sodium

• Potassium

• Cesium

What is it about a compound that makes it different from a mixture?

• A compound has chemical bonds between elements; a mixture does not.

• Elements in a compound never change their properties when separated; elements in a mixture do change their properties when separated.

• A mixture has chemical bonds between elements; a compound does not.

What is the name given to the horizontal rows of the periodic table?

• groups

• sets

• lines

• periods