Savvas 1.3-1.4 Chemistry: Matter and Energy Quiz

Identify the law that states that mass is neither created nor destroyed in a chemical reaction.

• Law of Definite Proportions

• Law of Conservation of Mass

• Law of Multiple Proportions

• Law of Constant Composition

Tags

NGSS.MS-PS1-5

Which of the following balanced chemical equations correctly illustrates the conservation of mass?

Tags

NGSS.MS-PS1-5

In a chemical reaction, how does the number of atoms of each element in the reactants compare to the number of atoms of each element in the products?

• The number of atoms decreases.

• The number of atoms increases.

• The number of atoms remains unchanged.

• The number of atoms varies randomly.

Tags

NGSS.MS-PS1-5

Which of the following best describes the basic structure of an atom?

• Protons and electrons in the nucleus, neutrons orbiting the nucleus.

• Protons and neutrons in the nucleus, electrons orbiting the nucleus.

• Electrons and neutrons in the nucleus, protons orbiting the nucleus.

• Protons, neutrons, and electrons all in the nucleus.

What is an ion?

• An atom with a different number of protons and neutrons.

• An atom with a different number of electrons and protons.

• An atom with a different number of neutrons and electrons.

• An atom with an equal number of protons and electrons.

Which of the following statements correctly compares fission and fusion reactions to chemical reactions?

• Both fission and fusion involve the splitting of atoms, while chemical reactions involve the rearrangement of electrons.

• Fission involves the splitting of atoms, fusion involves the combining of atoms, and chemical reactions involve the rearrangement of electrons.

• Both fission and fusion involve the combining of atoms, while chemical reactions involve the splitting of atoms.

• Fission involves the rearrangement of electrons, fusion involves the splitting of atoms, and chemical reactions involve the combining of atoms.

Tags

NGSS.HS-PS1-8

Which mechanism of heat flow involves the direct transfer of heat through a material without the movement of the material itself?

• Conduction

• Convection

• Radiation

• Evaporation

Which mechanism of heat flow involves the movement of heat through fluids (liquids or gases) due to the movement of the fluid itself?

• Conduction

• Convection

• Radiation

• Sublimation

Which mechanism of heat flow involves the transfer of heat through electromagnetic waves?

• Conduction

• Convection

• Radiation

• Absorption

Tags

NGSS.MS-PS4-2

When two objects of different temperatures are in thermal contact, what will eventually happen?

• The hotter object will continue to get hotter.

• The colder object will continue to get colder.

• Both objects will reach thermal equilibrium.

• The temperatures of both objects will remain unchanged.

Tags

NGSS.HS-PS3-4