Static Electricity

Which statement is not true about atom?

• It is the smallest particle of an element.

• It is naturally neutral.

• It is negatively or positively charged depending on the number of protons and electrons.

• It has equal number of protons and electrons.

Static electricity is the build up of ___ on the surface of a material.

Which sub-atomic particle does not have a charge?

• Electron

• Neutron

• Proton

• ion

Which one of the following statements is true?

• Like charges attract

• Opposite charges repel

• Charged objects attract neutral materials

• Neutral materials repel charged objects

The dry human skin is ___.

• Neutral

• Positively charged

• Negatively charged

• Attract electrons

Cotton is best for non-static clothes because ____,

• it is naturally neutral

• it easily gives up electrons

• it basically attracts electrons

• it is moderately positive

What happens to the balloon when rubbed with a wool?

• Electrons are pulled from the wool to the balloon.

• Electrons are pulled from the balloon to the wool.

• The balloon becomes positively charged.

• The wool becomes negatively charged.

Electrons can be removed from a material by ____.

Rubbing materials creates charges. Is this statement true?

• Yes, it is!

• No, it isn't!

• Maybe?

• I have no idea!

Who is this man?

• Albert Einstein

• Isaac Newton

• Galileo Galilei

• Benjamin Franklin