Praxis CKT Science Matter and Physical Properties Quiz

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| Questions: 15 | Updated: May 7, 2026
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1. Which of the following is a physical property of matter?

Explanation

Density is a physical property of matter that describes the mass of an object per unit volume. Unlike chemical properties, which involve a substance's ability to undergo chemical changes, density can be measured without altering the substance's composition, making it a fundamental characteristic used to identify and compare materials.

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About This Quiz
PRAXIS Ckt Science Matter and Physical Properties Quiz - Quiz

This quiz assesses your understanding of matter and physical properties essential for the Praxis CKT Science Matter and Physical Properties Quiz. You'll explore states of matter, density, solubility, melting points, and other observable characteristics that define substances. Ideal for college-level science students preparing for certification or strengthening foundational chemistry knowledge.

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2. At standard pressure, water changes from liquid to gas at ____.

Explanation

At standard atmospheric pressure, water boils and transitions from liquid to gas at 100 degrees Celsius. This temperature is known as the boiling point, where the vapor pressure of the liquid equals the external pressure, allowing bubbles of vapor to form within the liquid, resulting in evaporation and steam production.

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3. True or False: Melting point is an intensive physical property that does not depend on the amount of substance.

Explanation

Melting point is classified as an intensive property because it remains constant regardless of the quantity of the substance present. This means that whether you have a small sample or a large one, the temperature at which the substance transitions from solid to liquid does not change, making it independent of the amount.

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4. Which state of matter has particles that are tightly packed in a fixed arrangement?

Explanation

In solids, particles are closely packed together in a fixed arrangement, resulting in a definite shape and volume. This tight packing restricts the movement of particles, allowing them to vibrate in place rather than flow freely, as seen in liquids or gases.

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5. Density is defined as mass per unit ____.

Explanation

Density measures how much mass is contained in a given volume of a substance. It is calculated by dividing the mass of an object by its volume, providing a way to understand how tightly matter is packed in a space. This relationship is crucial in fields like physics and chemistry.

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6. Which property describes how readily a substance dissolves in water?

Explanation

Solubility refers to the ability of a substance to dissolve in water, forming a homogeneous solution. It is a key property that indicates how much of a solute can be dissolved in a solvent at a given temperature and pressure, influencing various chemical and physical processes.

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7. True or False: A change in color always indicates a chemical change, not a physical change.

Explanation

A change in color can occur during both chemical and physical changes. For instance, the color of a substance may change when it dissolves in a solvent (physical change) or when it undergoes a chemical reaction. Therefore, color change alone is not a definitive indicator of a chemical change.

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8. Which of the following is NOT a physical property?

Explanation

Combustibility is a chemical property, as it describes a substance's ability to undergo a chemical reaction with oxygen, resulting in combustion. In contrast, boiling point, transparency, and brittleness are physical properties that can be observed without changing the substance's chemical identity.

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9. The ability of a metal to be hammered into thin sheets is called ____.

Explanation

Malleability refers to a metal's capacity to deform under compressive stress, allowing it to be shaped into thin sheets without breaking. This property is crucial in various applications, enabling metals to be formed into desired shapes for construction, manufacturing, and artistic purposes.

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10. Which statement best describes a physical change?

Explanation

A physical change involves a transformation that affects the appearance or state of a substance without altering its molecular structure. This means that while the substance may change form, such as melting or freezing, it retains its original identity and chemical properties. Examples include ice melting into water or paper being torn.

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11. True or False: Sublimation is a physical change where a solid transforms directly into a gas.

Explanation

Sublimation is indeed a physical change where a solid transitions directly into a gas without passing through the liquid phase. This process occurs under specific conditions of temperature and pressure, allowing substances like dry ice (solid carbon dioxide) to vaporize directly into carbon dioxide gas.

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12. Which property indicates how well a material conducts electricity?

Explanation

Electrical conductivity refers to a material's ability to allow the flow of electric current. It is a crucial property in determining how well a material can transmit electricity, distinguishing conductive materials like metals from insulators like rubber. Higher electrical conductivity indicates better performance in electrical applications.

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13. The SI unit for density is grams per cubic ____.

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14. Which of these represents an extensive physical property?

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15. True or False: When dry ice sublimes, it undergoes a chemical change that produces a new substance.

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Which of the following is a physical property of matter?
At standard pressure, water changes from liquid to gas at ____.
True or False: Melting point is an intensive physical property that...
Which state of matter has particles that are tightly packed in a fixed...
Density is defined as mass per unit ____.
Which property describes how readily a substance dissolves in water?
True or False: A change in color always indicates a chemical change,...
Which of the following is NOT a physical property?
The ability of a metal to be hammered into thin sheets is called ____.
Which statement best describes a physical change?
True or False: Sublimation is a physical change where a solid...
Which property indicates how well a material conducts electricity?
The SI unit for density is grams per cubic ____.
Which of these represents an extensive physical property?
True or False: When dry ice sublimes, it undergoes a chemical change...
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