Review forThermal Energy in Chemical Reactions

Which term describes a process that leads to the transformation of one set of chemical substances to another?

• Reactants

• Chemical reaction

• Chemical process

• Products

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the method of changing one or more chemical compounds?

• Reactants

• Chemical reaction

• Chemical process

• Products

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which substances are initially involved in a chemical reaction?

• Reactants

• Chemical reaction

• Chemical process

• Products

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What are the substances that are yielded from a chemical reaction?

• Reactants

• Chemical reaction

• Chemical process

• Products

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In a chemical reaction, __________ form new substances with different properties.

• A) Reactants

• B) Products

• C) Thermal energy

• D) Chemical process

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

When a reaction __________ heat, the product of the reaction becomes colder. This is called an __________ reaction.

• absorbs, endothermic

• releases, exothermic

• absorbs, exothermic

• releases, endothermic

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

When a reaction __________ heat, the product of the reaction becomes hotter. This is called an __________ reaction.

• absorbs, endothermic

• releases, exothermic

• absorbs, exothermic

• releases, endothermic

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

A __________ increase or decrease and the production of light are both signs that a chemical reaction may have occurred.

• temperature

• gas

• evidence

• reactants

Tags

NGSS.MS-PS1-2

Which term refers to the substances that form new substances with different properties in a chemical reaction?

• Reactants

• Products

• Thermal energy

• Chemical process

Tags

NGSS.MS-PS1-2

What is the term for a reaction that releases heat, making the product hotter?

• Exothermic

• Endothermic

• Chemical process

• Thermal energy

Tags

NGSS.MS-PS1-4