PS 1-5 Vocab Warm up

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

• Molecule

• Atom

• Mass

• Precipitate

Tags

NGSS.MS-PS1-1

Which term describes a substance made of two or more atoms bonded together?

• Element

• Molecule

• Mass

• Precipitate

Tags

NGSS.MS-PS1-1

What is the term for a process that involves the rearrangement of the molecular or ionic structure of a substance?

• Chemical Reaction

• Element

• Atom

• Mass

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is a pure substance that cannot be broken down into simpler substances by chemical means?

• Molecule

• Element

• Precipitate

• Mass

What is the term for the amount of matter in an object?

• Atom

• Mass

• Molecule

• Precipitate

Tags

NGSS.MS-PS2-2

What is formed when a solid is produced in a solution during a chemical reaction?

• Element

• Precipitate

• Atom

• Mass

Tags

NGSS.MS-PS1-2

Which of the following is an example of a chemical reaction?

• Melting ice

• Burning wood

• Breaking a stick

• Dissolving sugar in water

Tags

NGSS.MS-PS1-2

Which of the following is NOT a molecule?

Tags

NGSS.MS-PS1-1

Which of the following is an element?

• Water

• Oxygen

• Salt

• Carbon Dioxide

What happens to the mass of substances during a chemical reaction?

• It increases

• It decreases

• It stays the same

• It disappears

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5