What is the smallest unit of matter that retains the properties of an element?

• Molecule

• Atom

• Proton

• Neutron

Which state of matter has a definite shape, mass, and volume?

• Solid

• Liquid

• Gas

• Plasma

What is the main component of the nucleus of an atom?

• Electrons

• Protons and Neutrons

• Neutrons and Electrons

• Protons and Electrons

Which element is represented by the symbol 'O' on the periodic table?

• Oxygen

• Gold

• Osmium

• Carbon

What is the process called when a solid changes directly into a liquid?

• Melting

• Sublimation

• Condensation

• Evaporation

Tags

NGSS.MS-PS1-4

How does thermal energy affect the state of matter?

• It changes the color of the matter

• It can change the state of matter by increasing or decreasing the temperature

• It makes the matter heavier

• It has no effect on the state of matter

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following best describes the arrangement of particles in a gas?

• Tightly packed in a fixed position

• Close together but able to move past each other

• Far apart and moving freely

• Arranged in a regular pattern

How does the row numbers (the numbers on the left side) of periodic table represent?

• the number of electrons

• the number of electron shells

• the number of valence electron

• the number of protons

What happens to the particles of a substance as it is heated?

• They move slower

• They move faster

• They stop moving

• They become larger

Tags

NGSS.MS-PS1-4

Which of the following is a characteristic of a liquid?

• Definite shape and volume

• Definite volume but no definite shape

• No definite shape or volume

• Definite shape but no definite volume

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4