Chemistry of Cosmetology Quiz

What is the definition of matter?

• Anything that moves

• Anything that conducts electricity

• Anything that emits light

• Anything that occupies space

Tags

NGSS.MS-PS1-5

How many known elements are there?

• 150

• 118

• 92

• 200

What is an atom made of?

• Neutrons and protons

• Protons, neutrons, and electrons

• Neutrons and electrons

• Protons and electrons

Tags

NGSS.MS-PS1-1

What is the unit of matter?

• Molecule

• Atom

• Element

• Compound

Tags

NGSS.MS-PS1-1

What is an elemental molecule?

• A compound molecule

• Two or more different types of atoms

• Two or more of the same type of atoms

• A single atom

Tags

NGSS.MS-PS1-1

Which state of matter has a definite volume but no fixed shape?

• Liquid

• Plasma

• Solid

• Gas

Tags

NGSS.MS-PS1-4

What is an example of a physical change?

• Melting ice

• Boiling water

• Rusting of iron

• Burning wood

Tags

NGSS.MS-PS1-4

What is an example of a chemical change?

• Freezing water

• Mixing salt and water

• Baking a cake

• Melting butter

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

What happens to a piece of metal left outside in the rain over time?

• It chemically changes into rust

• It turns into ice

• It becomes magnetic

• It becomes lighter in weight

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

What is the main difference between a physical change and a chemical change?

• Chemical change only affects the appearance

• Physical change creates a new substance

• Chemical change creates something completely new

• Physical change requires a chemical reaction

Tags

NGSS.MS-PS1-4