G7 Science M8 W3 (Quiz)

Like charges ​ (a)   ; Unlike charges ​ (b)   .

• repel
• attract

A neutral metal sphere is touched by a negatively charged metal rod. As a result, the sphere will be ​ (a)   and the metal rod will be ​ (b)  

• negatively charged
• positively charged

If an object has more positive charges than negative charges, the object is said to be ​ (a)  

• positively charged
• negatively charged
• neutral
• neutrally charged

Give the two particles of atom responsible for electric charge/electricity.

Kyle rubbed two balloons with a piece of wool. What will happen when the balloons are brought near each other?

• The balloons will pop.

• The balloons will repel each other.

• The balloons will attract each other.

• The balloons will become positively (+) charged.

​ (a)   form of energy that comes from electrically charged bodies such as ions & electrons.

• Electric charge
• Protons
• Neutrons
• Charging
• Conductors
• Insulators
• Inductors

​ (a)   ​ requires contact between the neutral body and the charged object

• Charging by Conduction
• Protons
• Neutrons
• Insulators
• Charging byInduction
• Charging by Induction
• Electrical Charge

​ (a)   ​ materials that do not permit the passage of charges through them.

• Insulators
• Protons
• Neutrons
• Charging
• Conductors
• Inductors
• Electric charge

If an object has the same number of positive and negative charges, its electrical charge is ​ (a)  

• neutrally charged
• positively charged
• negatively charged

Which of the following materials are likely to exhibit more conductive properties than insulating properties?

• aluminum

• rubber

• silver

• wet skin