3.1 Charge

Fill in the Blank

______ are negatively charged.

Fill in the Blank

______ are positively charged.

Multiple Choice

As an object begins to gain or lose electrons from its atoms, it becomes positively or negatively charged. A negatively charged object has more _________ than _________ .

• protons, electrons

• electrons, protons

Multiple Choice

A positively charged object has more ________ than ________ .

• protons, electrons

• electrons, protons

Multiple Choice

Oppositely-charged objects -

• attract

• repel

• stay neutral

Multiple Choice

Like-charged objects -

• attract

• repel

• stay neutral

Multiple Choice

On three occasions, the following charge interactions between balloons A, B, and C are observed. In each case, it is known that balloon B is charged negatively. Based on these observations, what can you conclusively confirm about the charge on balloon A and C for each situation?

• A is positive

• A is negative

• A is neutral

Multiple Choice

What is the army of invisible servants that is waiting to help us?

• Electrons

• Protons

• Neutrons

• The sun

Multiple Choice

Who was the child of poverty who helped us gain our understanding of electricity? 

• Isaac Newton
• Albert Einstein 
• Michael Farraday
• Gallileo

Multiple Choice

Michael Farraday dropped out of school when he was just a child. 

• True.
• False.

Multiple Choice

Where did Michael Faraday first learn about electricity?

• His job in the coal mines.
• Science for the public. 
• His book-binding job.

Multiple Choice

London's Royal Institution still puts on Christmas shows to this day to show children about Science.

• True 
• False
• They did until 2014

Multiple Choice

Michael Faraday got his job working for Humphrey Davies by doing what:

• Applying for it and getting recommended.
• Transcribing his lectures and binding them.
• Working at the hospital that treated Davies.
• Working as a janitor in the Royal Institute. 

Multiple Choice

Michael Farraday discovered that electricity could be used to make 

• A motor
• A car
• A lightbulb
• A compass

Multiple Choice

Faraday's original motor used what two things:

• Mercury and Cork.
• A wheel and a pulley.
• A gear and a magnet.
• He didn't invent a motor.

Multiple Choice

What did Davies make Faraday do out of his jealousy?

• Study glassmaking

• Study dynamite

• Go back to binding books

• Calculus

Multiple Choice

Which founder of the show Cosmos gave Christmas Lectures for the young at the Royal Institute

• Sir Isaac Newton
• Neil deGrasse Tyson
• Michael Faraday
• Carl Sagan

Multiple Choice

What did Faraday have to stand on to be safe from the electricity?

• Rubber boots.
• A stool with glass legs.
• A layer of ceramic bricks.
• A wooden floor.

Multiple Choice

What did Faraday chose NOT to do with his discoveries?

• Send them to America.
• Publish them.
• Patent them.
• Share them with children.

Multiple Choice

What did Faraday discover was related in order to create the first generator?

• Electricity and Electrostatics
• Electricity and Magnetism
• Electricity and Metal Conductors
• Electricity and Memory loss 

Multiple Choice

What led to Faraday discovering that light and magnetism and electricity were related?

• His failed experiments with glass
• His wife's suggestions
• His motor from earlier in life
• Polarization of energy

Multiple Choice

What did Faraday's discovery of electricity's effect on light prove?

• That time isn't linear
• That everything is related
• That magnets aren't real 
• That telescopes have to use electricity

Multiple Choice

What did Faraday discover about electricity and magnets with iron filings?

• That they showed the pattern of force fields
• They were pretty to look at
• They always make circles
• The north pole is really under our feet