Science

Front

What are the positive particles of an atom?

Back

Protons are the positive particles found in the nucleus of an atom.

Front

What is the central region of an atom called?

Back

The nucleus is the central region of an atom where protons and neutrons are located.

Front

Do solids have a certain shape and volume of their own?

Back

True, solids have a definite shape and volume.

Front

Which tool is used to measure the mass of an object?

Back

A balance is used to measure the mass of an object.

Front

What is all matter made of?

Back

All matter is made of atoms.

Front

What are neutrons?

Back

Neutrons are neutral particles found in the nucleus of an atom.

Front

What are electrons?

Back

Electrons are negatively charged particles that orbit the nucleus of an atom.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force of gravity acting on that mass.

Front

What is an atom?

Back

An atom is the smallest unit of matter that retains the properties of an element.

Front

What is the atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element.