Question

fill in the blank with the correct words:
the center of an atom is called the ____________.
____________ have a negative charge and move around the nucleus of an atom.
protons have a ____________ charge.
when two objects have the same charge, they ____________ each other.
coulomb’s law helps us calculate the ____________ between two charged objects.
word bank: repel, force, electrons, nucleus, positive

choose the correct answer from the choices for each question:
which particle in an atom has no electric charge?
a) proton
b) electron
c) neutron
d) nucleus
what happens when you rub a balloon on your hair?
a) the balloon gains protons
b) electrons move to the balloon
c) the balloon loses electrons
d) neutrons move to your hair
according to coulomb’s law, what happens to the force if two charged objects are moved farther apart?
a) the force increases
b) the force stays the same
c) the force decreases
d) the force turns positive
if an object has more electrons than protons, it is:
a) positively charged
b) neutrally charged
c) negatively charged
d) not charged at all
which of the following is an example of static electricity?
a) charging a phone with a cord
b) lightning during a storm
c) riding a bike
d) using a magnet to pick up paperclips

Explanation:

For the fill-in-the-blank section, each answer is matched to the definition or description using basic atomic structure and electrostatics knowledge. For the multiple-choice section, each correct answer is selected based on core concepts of atomic particles, static electricity, and Coulomb's law.

Answer:

Fill in the blanks:

1. The center of an atom is called the nucleus.
2. Electrons have a negative charge and move around the nucleus of an atom.
3. Protons have a positive charge.
4. When two objects have the same charge, they repel each other.
5. Coulomb's law helps us calculate the force between two charged objects.

Multiple Choice:

1. Which particle in an atom has no electric charge?

c) Neutron

1. What happens when you rub a balloon on your hair?

b) Electrons move to the balloon

1. According to Coulomb's law, what happens to the force if two charged objects are moved farther apart?

c) The force decreases

1. If an object has more electrons than protons, it is:

c) Negatively charged

1. Which of the following is an example of static electricity?

b) Lightning during a storm