Physical Science Module 19 Vocabulary

Double-displacement Reaction: Choose the correct definition.

• a type of chemical reaction that occurs when a substance reacts with oxygen to produce energy in the form of heat and light

• reaction in which two ionic compounds in solution are combined, producing either a precipitate, water, or a gas

• chemical reaction that requires energy input in the form of light, thermal energy or electricity in order to proceed

• chemical reaction in which one element replaces another element in a compound

Oxidation: Choose the correct definition.

• the mass in grams of one mole of a substance

• chemical reaction in which one substance breaks down into two or more substances

• the gain of electrons by the atoms of a substance in a chemical reaction

• the loss of electrons from the atoms of a substance in a chemical reaction

Tags

NGSS.HS-PS1-7

Exogenic Reaction: Choose the correct definition.

• chemical reaction in which two or more substances combine to form a different substance

• chemical reaction that requires energy input in the form of light, thermal energy or electricity in order to proceed

• chemical reaction that releases some form of energy, such as light, thermal energy, or electricity

• chemical reaction that primarily releases thermal energy

Tags

NGSS.HS-PS1-4

In a chemical reaction, the new substance formed is called?

• the mass in grams of one mole of a substance

• In a chemical reaction, the new substance formed

• In a chemical reaction, the substance that reacts

• the gain of electrons by the atoms of a substance in a chemical reaction

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

What is a decomposition reaction?

• chemical reaction that releases some form of energy, such as light, thermal energy, or electricity

• chemical reaction that requires thermal energy input in order to proceed

• chemical reaction in which one substance breaks down into two or more substances

• process in which one or more substances are changed into new substances

Tags

NGSS.MS-PS1-5

What is a combustion reaction?

• a type of chemical reaction that occurs when a substance reacts with oxygen to produce energy in the form of heat and light

• chemical reaction that requires energy input in the form of light, thermal energy or electricity in order to proceed

• number in a chemical equation that represents the number of units of each substance taking part in a chemical reaction

• reaction in which two ionic compounds in solution are combined, producing either a precipitate, water, or a gas

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

Term: Chemical Reaction. What is a chemical reaction?

• process in which one or more substances are changed into new substances

• chemical reaction that requires thermal energy input in order to proceed

• shorthand method used to describe chemical reactions using chemical formulas and other symbols

• chemical reaction in which two or more substances combine to form a different substance

Tags

NGSS.HS-PS1-7

Term: Synthesis Reaction. What is a synthesis reaction?

• process in which one or more substances are changed into new substances

• chemical reaction that releases some form of energy, such as light, thermal energy, or electricity

• chemical reaction in which two or more substances combine to form a different substance

• chemical reaction that requires thermal energy input in order to proceed

Term: Molar Mass. What is molar mass?

• the mass in grams of one mole of a substance

• the amount of a substance necessary to have a positive charge

• the sum of the atomic mass values of the atoms in a chemical formula

• the loss of electrons from the atoms of a substance in a chemical reaction

Tags

NGSS.HS-PS1-7

Exothermic Reaction: What is an exothermic reaction?

• chemical reaction that primarily releases thermal energy

• chemical reaction that requires thermal energy input in order to proceed

• chemical reaction that releases some form of energy, such as light, thermal energy, or electricity

• chemical reaction in which two or more substances combine to form a different substance

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4