Physical Science Module Test Review
Flashcard
•
Physics
•
7th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is kinetic energy?
Back
Kinetic energy is the energy an object possesses due to its motion. It depends on the mass of the object and its velocity, calculated using the formula KE = 1/2 mv².
2.
FLASHCARD QUESTION
Front
What is the law of conservation of energy?
Back
The law of conservation of energy states that energy cannot be created or destroyed, only transformed from one form to another.
3.
FLASHCARD QUESTION
Front
What is rusting?
Back
Rusting is a chemical reaction that occurs when iron reacts with oxygen and moisture, resulting in iron oxide, commonly known as rust.
4.
FLASHCARD QUESTION
Front
What is a chemical reaction?
Back
A chemical reaction is a process that leads to the transformation of one set of chemical substances to another, involving the breaking and forming of bonds.
5.
FLASHCARD QUESTION
Front
What are reactants in a chemical reaction?
Back
Reactants are the starting substances in a chemical reaction that undergo change to form products.
6.
FLASHCARD QUESTION
Front
What are products in a chemical reaction?
Back
Products are the substances that are formed as a result of a chemical reaction.
7.
FLASHCARD QUESTION
Front
What is the significance of a color change in a chemical reaction?
Back
A color change can indicate that a chemical reaction has occurred, often signaling the formation of new substances.
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