Electrostatics

The law of conservation of charge states that...

• all atoms have more protons than electrons
• only protons can be rubbed off of an atom
• charge cannot be created or destroyed
• charge cannot be transferred 

What is it called when an object gains a charge when touched by a charged object?

• Induction
• ESD
• Conduction
• Conducting path

An .......... is a device used to check whether an object is charged or not.

• Chargescope
• Electroscope
• Electronscope
• Charger

When an object gains electrons it becomes __________

• Neutral

• Positively charged

• Negatively charged

Tags

NGSS.HS-PS1-2

NGSS.HS-PS2-4

The charge on a metallic sphere is

• concentrated at the top

• concentrated at the bottom

• evenly distributed

• not distributed at all

When two rulers are rubbed against wool will ________ each other because they are ___________ charges

• attract; like

• attract, unlike

• repel; like

• repel; unlike

-10 C is brought close to +2 C, the force exerted by -10C is _____ the force exerted by +2C

• less than

• greater than

• equal to

When you charge a balloon by rubbing it on your hair this is an example of what method of charging?

• Friction
• Conduction
• Grounding
• Induction

Which particle in an atom can you physically manipulate?

• protons
• electrons
• neutrons
• you can't manipulate any particle in an atom

If a negatively charged rod touches a conductor, the conductor will be charged by what method? 

• Friction
• Conduction
• Induction
• Convection