SC Physical Science: Standard 1 and 2

Front

What is the atomic number?

Back

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

Front

What is the charge of a proton?

Back

The charge of a proton is positive.

Front

What type of change occurs when water changes states?

Back

A physical change occurs when water changes states.

Front

How many independent variables should an experiment have for it to be valid?

Back

An experiment should have 1 independent variable.

Front

Where is the atomic number located on the periodic table?

Back

The atomic number is located above the element symbol.

Front

What is a neutron?

Back

A neutron is a subatomic particle found in the nucleus of an atom, with no charge.

Front

What is the charge of a neutron?

Back

The charge of a neutron is neutral.

Front

What is a chemical change?

Back

A chemical change is a process where substances combine or break apart to form new substances.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.

Front

What is the role of the independent variable in an experiment?

Back

The independent variable is the factor that is changed or manipulated in an experiment to observe its effect.