Electricity and Electric Forces Quiz

Who was the ancient philosopher that discovered the electric charge by rubbing amber with fur?

• Thales

• Plato

• Socrates

• Aristotle

What is the Greek word for amber, which is also the root word for electricity?

• Electron

• Proton

• Neutron

• Photon

How do electric forces differ from gravitational forces?

• Electric forces only occur in metals

• Electric forces are always attractive

• Gravitational forces can be repulsive

• Electric forces can be both attractive and repulsive

What happens to the electric force as the distance between two charged objects decreases?

• The force decreases

• The force remains constant

• The force increases

• The force becomes zero

What type of relationship is it when one variable increases while the other decreases?

• Direct relationship

• Exponential relationship

• Inverse relationship

• Linear relationship

What are the two types of electric charges?

• Positive and Negative

• Alpha and Beta

• North and South

• X and Y

Why are electric charges called positive and negative?

• Because they are named after colors

• Because they cancel each other out like in mathematics

• Because they are named after temperatures

• Because they are named after directions

What happens when a positive charge is placed near a negative charge?

• They repel each other

• They attract each other

• They become neutral

• They explode

What is the result when two like charges are placed together?

• They form a new charge

• They become neutral

• They attract each other

• They repel each other

What fundamental law explains how the universe is held together?

• Unlike charges attract and like charges repel

• All charges attract each other

• All charges repel each other

• Charges do not interact