CPC 4 Study Guide R
Flashcard
•
Science
•
8th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the law of conservation of mass?
Back
The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction. The total mass of the reactants equals the total mass of the products.
2.
FLASHCARD QUESTION
Front
What is inertia?
Back
Inertia is the tendency of an object to resist changes in its state of motion. It is directly related to the mass of the object.
3.
FLASHCARD QUESTION
Front
Define velocity.
Back
Velocity is a vector quantity that describes the speed of an object in a specific direction.
4.
FLASHCARD QUESTION
Front
What factors can increase the strength of an electromagnet?
Back
Adding more coils to the electromagnet and increasing the size of the magnets can enhance the strength of an electromagnet.
5.
FLASHCARD QUESTION
Front
What are the three main states of matter?
Back
The three main states of matter are solid, liquid, and gas.
6.
FLASHCARD QUESTION
Front
What is the difference between speed and velocity?
Back
Speed is a scalar quantity that refers to how fast an object is moving, while velocity includes both speed and direction.
7.
FLASHCARD QUESTION
Front
What is an electric motor?
Back
An electric motor is a device that converts electrical energy into mechanical energy through the interaction of magnetic fields.
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