Friction, Conductors and Insulators

Which is NOT an insulator.

• Wool
• Plastic
• Copper
• Glass

Is Iron a Conductor or Insulator?

• Conductor
• Insulator

Is a couch a conductor or an insulator?

• Conductor
• Insulator

What is the difference between a conductor and an insulator?

• An insulator allows electricity to flow through it easily and a conductor does not
• A conductor allows electricity to flow through it easily and an insulator does not.
• An insulator is magnetic and a conductor is not
• A conductor is magnetic and an insulator is not

Gloves help keep your hands warm in winter because:

• They are conductors of heat.
• They are fuzzy.
• They are conductors of electrical energy.
• They are insulators.

Which of the following objects is not an example of a good conductor?

• metal pot
• metal cookie sheet
• a wooden spoon
• a stainless steel spoon

An object that doesn't conduct heat well is known as:

• a conductor
• an insulator
• conduction
• insulation

An object that heat can move through easily is known as:

• an insulator
• a conductor
• conduction
• insulation

Johnny wanted to see how his baseball would roll on different surfaces. He decided to roll his ball on a carpeted floor, tile floor, and a wooden floor. 
What is he testing in this experiment?

• Gravity
• Thermal Energy
• Friction
• Magnetism 

A car will skid less on a dry road than on a wet road. This happens because between the tires and teh wet road, there is less-

• Heat
• Gravity
• Electrical energy
• Friction