ceramics,polymers and composites

Porcelain is made for making crockery which is itself being prepared by

• Mud
• Soil
• clay
• silicon

Tags

NGSS.MS-PS1-3

Ceramics can conduct

• heat
• electricity
• Both heat and electrivcity
• Do not conduct heat and electricity

Tags

NGSS.HS-PS3-4

What is a polymer?

• a group of atoms
• a long chain molecule with identical group of atoms
• a long chain of molecules
• a long chain of different atoms

Tags

NGSS.HS-LS1-6

Which of the following is not a type of polymer?

• natural
• synthetic
• sympathetic
• thermoplastic 

Which of the following is not a type of natural polymer?

• polyethylene
• wool
• rubber
• cotton

Which of these is an example of synthetic polymer?

• cotton fibers
  
• rubber
• wool
• polyvinyl chloride (PVC)

What is the name of the reaction used to make polymers?

• polymerisation

• cracking

• polygonisation

• precipitation

Small molecules that make up larger molecules.

• monomer
• polymer
• synthetic
• plastic

Tags

NGSS.HS-LS1-6

Which of the following is not a part of the concrete mixture?

• Portland Cement
• Aggregates
• Air
• Water

These material change their shape when under a load, but return to their original shape when load is removed.

• Elastic
• Plastic
• Brittle
• Malleable