Final Exam physical Science Fall 2024

Front

What is electricity?

Back

Electricity is the flow of electrons.

Front

What are valence electrons?

Back

Valence electrons are the electrons that are farthest from the nucleus of an atom.

Front

What does the atomic number represent?

Back

The atomic number represents the number of protons in the nucleus of an atom.

Front

What is an inference?

Back

An inference is a conclusion drawn from observations.

Front

Is lightning a form of static electricity?

Back

True, lightning is a form of static electricity.

Front

What is the charge of an electron?

Back

An electron has a negative charge.

Front

What is the nucleus of an atom?

Back

The nucleus is the central part of an atom, containing protons and neutrons.

Front

What is the difference between an observation and an inference?

Back

An observation is a statement based on what is seen or measured, while an inference is a conclusion drawn from those observations.

Front

What is static electricity?

Back

Static electricity is the buildup of electric charge on the surface of objects.

Front

What is the role of protons in an atom?

Back

Protons determine the atomic number and identity of an element.