MS-PS1-5: Mass Conservation in Chemical Reactions
Flashcard
•
Science
•
6th - 8th Grade
•
Medium
Barbara White
Used 2+ times
FREE Resource
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12 questions
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1.
FLASHCARD QUESTION
Front
Chemical Reaction Noun
[kem-i-kuhl ree-ak-shun]
Back
Chemical Reaction
A process where starting substances, called reactants, rearrange their atoms to form new substances, which are called products.
Example: Methane and oxygen react to form carbon dioxide and water, showing atom rearrangement.
2.
FLASHCARD QUESTION
Front
Reactant Noun
[ree-ak-tuhnt]
Back
Reactant
A starting substance in a chemical reaction that is consumed as it changes into one or more new products.
Example: The image shows hydrogen and oxygen as reactants forming water, demonstrating how reactants change in a chemical reaction.
3.
FLASHCARD QUESTION
Front
Product Noun
[prod-uhkt]
Back
Product
A new substance that is formed during a chemical reaction from the rearrangement of atoms in the original reactants.
Example: The image shows how methane and oxygen react to form carbon dioxide and water, illustrating the concept of products in a chemical reaction.
4.
FLASHCARD QUESTION
Front
Atom Noun
[at-uhm]
Back
Atom
The smallest particle of an element that retains the properties of that element and is rearranged during chemical reactions.
Example: This diagram shows an atom's structure with protons, neutrons, and electrons, helping students understand atomic composition.
5.
FLASHCARD QUESTION
Front
Element Noun
[el-uh-muhnt]
Back
Element
A pure substance consisting of only one type of atom, which cannot be broken down by chemical means.
Example: Gold bars represent an element, as they consist of only one type of atom.
6.
FLASHCARD QUESTION
Front
Compound Noun
[kom-pound]
Back
Compound
A substance formed from two or more different elements that are chemically bonded together in a fixed ratio.
Example: The image shows water as a compound made of hydrogen and oxygen atoms bonded together.
7.
FLASHCARD QUESTION
Front
Law of Conservation of Matter Noun
[law uv kon-ser-vey-shuhn uv mat-er]
Back
Law of Conservation of Matter
The scientific principle stating that matter is not created or destroyed during a chemical reaction, only rearranged.
Example: The mass of substances before and after a chemical reaction is the same, showing matter is not created or destroyed.
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