Conservation of Mass A

What principle states that the mass of a closed system remains constant over time?

• Avogadro's Hypothesis

• Conservation of Energy

• Law of Conservation of Mass

• Law of Definite Proportions

Tags

NGSS.MS-PS1-5

What is the measure of the amount of matter in an object?

• Density

• Volume

• Mass

• Weight

In a ____________, no matter is exchanged with the surroundings.

• Closed System

• Open System

• Dynamic System

• Isolated System

What is anything that has mass and occupies space?

• Energy

• Matter

• Substance

• Element

Tags

NGSS.MS-PS1-5

A process in which substances interact to form new substances with different chemical properties is called a _________.

• Physical Change

• Chemical Reaction

• Nuclear Reaction

• Phase Transition

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In a chemical reaction, the substances that undergo a chemical change and are transformed into products are called _________.

• Elements

• Compounds

• Reactants

• Mixtures

Tags

NGSS.MS-PS1-5

The new substances formed as a result of a chemical reaction from the rearrangement of atoms are called _________.

• Precursors

• Byproducts

• Residues

• Products

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which principle states that energy cannot be created or destroyed, only transformed from one form to another?

• Law of Conservation of Mass

• Law of Multiple Proportions

• Conservation of Energy

• Law of Chemical Equilibrium

Tags

NGSS.MS-PS3-5

The branch of chemistry that deals with the quantitative relationships between reactants and products in chemical reactions is called _________.

• Organic Chemistry

• Physical Chemistry

• Analytical Chemistry

• Stoichiometry

Tags

NGSS.HS-PS1-7

What is a symbolic representation of a compound showing the types and numbers of atoms present?

• Molecular Formula

• Chemical Notation

• Structural Formula

• Chemical Formula

Tags

NGSS.MS-PS1-1