Everyday Examples of Physical Properties of Matter (e.g., density, color)

📚 Quick Study Guide

• 🌡️ Physical Properties: These are characteristics of matter that can be observed or measured without changing the substance's chemical identity.
• 🌈 Color: The visual perception of light reflected by a substance. Example: A red apple.
• 🧱 Texture: The surface feel of a substance. Example: Smooth glass or rough sandpaper.
• ⚖️ Mass: The amount of matter in an object, usually measured in grams (g) or kilograms (kg).
• 💧 Volume: The amount of space an object occupies, usually measured in milliliters (mL) or liters (L).
• density is the ratio of mass to volume: $Density = \frac{Mass}{Volume}$
• 🧊 Melting Point: The temperature at which a solid changes to a liquid. Example: Water's melting point is 0°C.
• ♨️ Boiling Point: The temperature at which a liquid changes to a gas. Example: Water's boiling point is 100°C.
• 🔨 Malleability: The ability of a solid to be hammered into thin sheets. Example: Gold is very malleable.
• 🧵 Ductility: The ability of a solid to be drawn into wires. Example: Copper is used for electrical wires.
• 🧲 Magnetism: The ability of a substance to be attracted to a magnet. Example: Iron is magnetic.
• 🔌 Conductivity: The ability of a substance to conduct electricity or heat. Example: Copper is a good conductor of electricity.

Practice Quiz

1. Which of the following is an example of density?
   1. A. The shininess of silver
   2. B. The amount of space a balloon occupies
   3. C. How heavy a rock is for its size
   4. D. The temperature at which water boils
2. What physical property describes how easily a metal can be shaped into wires?
   1. A. Malleability
   2. B. Ductility
   3. C. Conductivity
   4. D. Magnetism
3. Which of these is NOT a physical property?
   1. A. Color
   2. B. Flammability
   3. C. Volume
   4. D. Density
4. What is the melting point of ice an example of?
   1. A. A chemical property
   2. B. A physical change
   3. C. A physical property
   4. D. A chemical change
5. If you have a gold bar, which property is demonstrated by the fact you can hammer it thin?
   1. A. Ductility
   2. B. Magnetism
   3. C. Malleability
   4. D. Conductivity
6. What is the formula for calculating density?
   1. A. $Density = Mass \times Volume$
   2. B. $Density = \frac{Volume}{Mass}$
   3. C. $Density = Mass + Volume$
   4. D. $Density = \frac{Mass}{Volume}$
7. Which of the following materials is known for its high electrical conductivity?
   1. A. Wood
   2. B. Plastic
   3. C. Copper
   4. D. Rubber