Inv4.Exp1 TextA (pg.156-163)

What is the SI unit for electric charge?

• Volt (V)

• Ohm (Ω)

• Coulomb (C)

• Ampere (A)

David, Luna, and Ethan are conducting an experiment in their physics class. They need to measure the electric charge of a certain particle. Which SI unit should they use for this measurement?

• Volt (V)

• Ohm (Ω)

• Coulomb (C)

• Ampere (A)

What type of charge do electrons have?

• Positive

• Negative

• Neutral

• Protonic

Ava, Nora, and Kai are conducting an experiment in their physics class. They are observing the behavior of electrons. According to their observations, what type of charge do electrons have?

• Positive

• Negative

• Neutral

• Protonic

According to Coulomb's law, the electric force between two charged objects is proportional to the product of the charges and ________.

• The inverse of the distance between the charges

• The distance between the charges

• The cube of the distance between the charges

• The square of the distance between the charges

What keeps the nucleus of an atom together?

• Electric force

• Gravitational force

• Strong nuclear force

• Weak nuclear force

Jackson, Evelyn, and Liam are studying atomic structure. They are curious to know what keeps the nucleus of an atom together in their science textbook. Can you help them?

• Electric force

• Gravitational force

• Strong nuclear force

• Weak nuclear force

What is the process in which an object becomes charged after coming in direct contact with another object and then separating from it?

• Electrostatic induction

• Triboelectric charging

• Inductive charging

• Capacitance

Charlotte and Elijah were playing with balloons. After rubbing a balloon on her hair and separating it, Charlotte noticed that her hair was standing up. What is the name of this process where an object becomes charged after coming in direct contact with another object and then separating from it?

• Electrostatic induction

• Triboelectric charging

• Inductive charging

• Capacitance

What is the constant of proportionality in Coulomb's law called?

• Avogadro constant

• Planck constant

• Faraday constant

• Coulomb constant