Static

Question 1

What is static electricity?

Answer 1

Static electricity is the build-up of electric charge on the surface of objects.

Question 2

True or False: Static electricity can result in a spark.

Answer 2

True

Question 3

What causes static electricity?

Answer 3

Static electricity is caused by the imbalance of positive and negative charges in an object.

Question 4

Fill in the blank: The process of charging an object by rubbing it with another material is called __________.

Answer 4

friction

Question 5

What is the unit of electric charge?

Answer 5

Coulomb

Question 6

What is the principle behind the attraction of opposite charges?

Answer 6

Opposite charges attract each other due to electric force.

Question 7

What is the term for the flow of electric charge?

Answer 7

Electric current

Question 8

True or False: Current electricity is the same as static electricity.

Answer 8

False

Question 9

What is the primary difference between current electricity and static electricity?

Answer 9

Current electricity involves the continuous flow of electric charge, while static electricity is a stationary charge.

Question 10

What is the unit of electric current?

Answer 10

Ampere

Question 11

Fill in the blank: The flow of electrons in a conductor creates __________.

Answer 11

current electricity

Question 12

What is visible light?

Answer 12

Visible light is the portion of the electromagnetic spectrum that is visible to the human eye.

Question 13

What is the wavelength range of visible light?

Answer 13

Approximately 400 to 700 nanometers.

Question 14

True or False: Light can behave as both a wave and a particle.

Answer 14

True

Question 15

What phenomenon describes the bending of light as it passes from one medium to another?

Answer 15

Refraction

Question 16

Which colors of light have the shortest wavelengths?

Answer 16

Violet and blue

Question 17

What is the speed of light in a vacuum?

Answer 17

Approximately 299,792 kilometers per second.

Question 18

Fill in the blank: The visible spectrum is made up of colors that can be remembered by the acronym __________.

Answer 18

ROYGBIV

Question 19

What is the effect called when light spreads out after passing through a prism?

Answer 19

Dispersion

Question 20

What is an insulator?

Answer 20

An insulator is a material that does not allow electric charge to flow easily.

Question 21

Which of the following is an example of a conductor? (A) Rubber (B) Copper (C) Wood

Answer 21

B) Copper

Question 22

What is electric potential difference commonly referred to as?

Answer 22

Voltage

Question 23

Fill in the blank: The flow of electric current is driven by __________.

Answer 23

voltage

Question 24

What is Ohm’s Law?

Answer 24

Ohm’s Law states that current is directly proportional to voltage and inversely proportional to resistance.

Question 25

What is the unit of electrical resistance?

Answer 25

Ohm

Question 26

True or False: Increasing resistance decreases current if voltage remains constant.

Answer 26

True

Question 27

What is the term for materials that can be easily magnetized?

Answer 27

Ferromagnetic materials

Question 28

Fill in the blank: __________ is the phenomenon where electric current creates a magnetic field.

Answer 28

Electromagnetism

Question 29

What is a common use of static electricity in everyday life?

Answer 29

Static cling in clothes.

Question 30

What device is used to measure electric current?

Answer 30

Ammeter

Question 31

What is the relationship between frequency and wavelength in electromagnetic waves?

Answer 31

Frequency and wavelength are inversely proportional.

Question 32

What is the primary source of static electricity in everyday situations?

Answer 32

Friction between materials.

Question 33

True or False: All materials can conduct electricity.

Answer 33

False

Question 34

What type of circuit allows current to flow in multiple paths?

Answer 34

Parallel circuit

Question 35

Fill in the blank: The ability of a material to resist the flow of electric current is known as __________.

Answer 35

resistance