Which of these is a good conductor of electricity? 

• Glass
• Metal
• Rubber
• Plastic

• Magnetism
• Density
• Viscosity
• Boiling Point

• Steam
• Pencil
• Milk
• Ice Cube

• Light takes up space. 
• Light is not matter. 
• Light has volume.
• Light has mass. 

• Plastic conducts heat well and metal doesn't.
• Metal conducts heat well and plastic doesn't. 
• Shiny objects conduct heat well.
• Black objects do not conduct heat. 

• less expensive than steel
• more dense than copper
• a good conductor
• a good insulator

• The metal can holds colder juice than the plastic bottle.
• Plastic is a better conductor of thermal energy than metal. 
• Metal is a better conductor of thermal energy than plastic. 
• The outside of the metal can is drier than the plastic bottle. 

• Color
• Magnetism
• State of Matter
• Ability to conduct electricity

• a wooden craft stick
• a penny
• a small pencil
• a piece of paper

• Gas
• Solid
• Liquid
• Solution