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Questions and Answers
Which of the following best describes a physical change?
Which of the following best describes a physical change?
- Cooking an egg to change its color and texture
- Mixing sugar and water to form a solution
- Burning wood to produce ash and smoke
- Melting an ice cube to obtain liquid water (correct)
What is the law that states that energy cannot be created or destroyed, only transformed from one form to another?
What is the law that states that energy cannot be created or destroyed, only transformed from one form to another?
- Law of Inertia
- Law of Conservation of Mass
- Law of Conservation of Energy (correct)
- Law of Universal Gravitation
Which type of energy is stored in the chemical bonds of molecules?
Which type of energy is stored in the chemical bonds of molecules?
- Potential energy (correct)
- Kinetic energy
- Nuclear energy
- Electrical energy
Which of the following best describes a chemical change?
Which of the following best describes a chemical change?
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When baking a cake, which type of energy transformation occurs?
When baking a cake, which type of energy transformation occurs?
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What type of mixture is a solution of sugar dissolved in water?
What type of mixture is a solution of sugar dissolved in water?
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Which type of mixture consists of visibly different substances that settle into layers over time?
Which type of mixture consists of visibly different substances that settle into layers over time?
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In which type of energy transformation does a spring compress or expand?
In which type of energy transformation does a spring compress or expand?
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