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Questions and Answers
What are chemical properties?
What are chemical properties?
- Characteristics that can be observed or measured
- Describes a substance's ability to change into a new substance with new properties (correct)
- A measure of how strong gravitational force is
- The amount of matter in an object
What are physical properties?
What are physical properties?
- Can be observed without changing substance (correct)
- Describes the amount of matter in a given space
- The tendency of an object to resist change in motion
- A measure of how strong gravitational force is
What is matter?
What is matter?
All matter has mass and volume; everything in the universe is made of matter.
What is inertia?
What is inertia?
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What is mass?
What is mass?
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What is volume?
What is volume?
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What is weight?
What is weight?
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What is density?
What is density?
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What is a physical change?
What is a physical change?
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What is a chemical change?
What is a chemical change?
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What are characteristic properties?
What are characteristic properties?
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What is gravity?
What is gravity?
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Study Notes
Chemical Properties
- Characteristics that indicate a substance's ability to transform into a new substance with different properties.
- Measurable or observable attributes essential for classification.
Physical Properties
- Observable and measurable characteristics that do not alter the substance's identity.
- Can be assessed without causing any transformation into a new substance.
Matter
- Defined as anything that possesses mass and occupies space.
- All entities in the universe are composed of matter, making it a fundamental concept in science.
Inertia
- A property that describes the resistance of an object to changes in its state of motion.
- Essential for understanding concepts related to forces and movement.
Mass
- Represents the quantity of matter contained within an object.
- A fundamental property influencing the behavior of objects under gravitational forces.
Volume
- Refers to the total space that a substance occupies.
- Essential for calculations in various scientific fields, including chemistry and physics.
Weight
- The measure of the gravitational force exerted on an object, correlating with its mass.
- Weight varies with gravitational pull, which changes based on location (e.g., on different planets).
Density
- Indicates the mass of a substance relative to its volume, calculated as mass per unit volume.
- Commonly used to differentiate substances, especially in liquids and solids.
Physical Change
- Involves alterations in the physical properties of a substance without changing its chemical identity.
- Examples include changes in state (solid to liquid), size, or shape.
Chemical Change
- Occurs when a substance undergoes a transformation leading to the formation of new substances with unique properties.
- Often evident through indicators like color change, gas production, or temperature change.
Characteristic Properties
- Unique properties specific to a substance that can be utilized for identification purposes.
- Important in experiments and practical applications for distinguishing between different materials.
Gravity
- The force that governs the attraction between two objects, depending on their masses and the distance between them.
- A fundamental force crucial in various scientific explorations, including astronomy and physics.
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