Physics Short Answers Q1

Question 1

What are the  Two types of Electric Charge?

Answer 1

Positive (Protons)

Negative (Electrons)

Question 2

Neutral objects have what kind of number of Protons and Electrons?

Answer 2

Neutral objects have an EQUAL number of protons and electrons.

Question 3

The Force between Charged Objects  Depends on what Two Factors?

Answer 3

1. Magnitude of the charges
2. Distance between them

Question 4

3

What is the Law of Electrostatics?

Answer 4

1. Like charges repel
2. Opposite charges attract
3. A neutral object is attracted to a charged object.

Question 5

What are Three ways to Charge an Object?

Answer 5

1. Friction
2. Contact
3. Induction

Question 6

What happens when Materials Higher on the List Lose Electrons

Answer 6

Materials  Higher on the list lose electrons  and become  Positive.

Question 7

What happens when Materials Lower on the list Gain Electrons

Answer 7

Materials Lower on the list gain electrons and become Negative.

Question 8

*

Formation Of Lightning

4

Answer 8

1. Friction inside storm clouds causes electrons to move.
2. The bottom of the cloud becomes Negative, while the top  is  Positive.
3. The ground becomes positively charged due to  induction.
4. When the charge difference is too great, electrons jump to the ground, creating a  discharge.

Question 9

What happens to an atom when it loses Electrons?

Answer 9

It becomes positive charged

Question 10

Which Factors effect the Strength of an Electric force between Two objects?

Answer 10

The Size of their Charge and the Distance between them

Question 11

What is the Primary Difference between Static Electricity and Current Electricity?

Answer 11

Static electricity involves a build up of stationary charges

Current electricity involves a continuous flow of charges

Question 12

What is a Conductor, What is an Insulator?

Answer 12

Conductor: Material that allows electricity to flow through it easily

Insulator: Material that resists the flow of electricity

Question 13

How do Neutral objects behave when placed near a Strongly Charged Object?

Answer 13

The charges get redistributed, causing opposite charges to attract

Question 14

Does a Positively Charged Object have More or Less Electrons than Protons

Answer 14

A Positively Charged Object has More Electrons than Protons.

Question 15

What is a real life example of a Real-world situation where Static Electricity is commonly experienced?

Answer 15

Rubbing socks on a carpet and touching a doorknob is an example of a real-world situation where static electricity is commonly experienced.

Question 16

Explain why a negatively charged balloon sticks to a neutral wall

Answer 16

The ballon is attracted to the wall from Induction, creating an attraction between Opposite Charges.

Question 17

Describe an experiment that demonstrates the difference between a Conductor and an Insulator

Answer 17

Conductor allows electricity to flow so the light bulb lights up.

Insulator does not light up the light blub

Question 18

How does humidity affect static electricity? Explain why static shocks are more common in dry air.

Answer 18

Moisture in the air acts as a conductor, allowing static charges to prevent their buildup.

Dry air lacks moisture needed to conduct static charges.

Question 19

You rub a glass rod with silk. What charge does each object acquire, and why?

Answer 19

The glass rod becomes positively charged and the silk becomes negatively charged because electrons are transferred from glass rod to the silk.

Question 20

Describe how a lightning rod helps protect buildings from lightning strikes.

Answer 20

It provides a low resistance path for lighting to safely discharge into the ground, preventing it from damaging the structure.

Question 21

What are the Three Ways of Transferring Charge?

Answer 21

1. Conduction (direct contact)
2. Friction (rubbing)
3. Induction (Rearrangement of Charges Without Contact)