Physical and Chemical Properties
Which of the following is a chemical property?
A. Melting point
B. Ability to rust
C. Volume
D. Mass
B. Ability to rust
What physical property describes the mass per unit volume of a substance?
A. Solubility
B. Hardness
C. Density
D. Weight
C. Density
What is density, and how is it calculated?
Density is the mass of a substance divided by its volume. The formula is Density = Mass ÷ Volume.
Streak......................
The color of a mineral in its powdered form
Matter
Anything that has mass and takes up space.
What is the physical property that describes how much mass is in a given volume?
A. Solubility
B. Density
C. Hardness
D. Volume
B. Density
Which of these properties is a chemical property of iron?
A. Its density
B. Its ability to rust
C. Its hardness
D. Its luster
B. Its ability to rust
How do particles behave in a solid?
In a solid, particles are tightly packed and only vibrate in place, maintaining a fixed shape
Hardness..................
A mineral’s resistance to scratching
Density..................
The amount of mass per unit volume of a substance (Density = Mass ÷ Volume).
What does solubility measure?
A. The hardness of a substance
B. The ability to dissolve in another substance
C. The temperature at which a substance boils
D. The way light reflects off a surface
B. The ability to dissolve in another substance
What property describes the way a mineral reflects light?
A. Streak
B. Density
C. Luster
D. Solubility
C. Luster
What are the three states of matter?
The three states of matter are solid, liquid, and gas.
What is the law of conservation of mass?
The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction.
Physical Property.................
A characteristic of matter that can be observed or measured without changing its composition.
What is the streak of a mineral?
A. The way it reflects light
B. The hardness of the mineral
C. The color of the mineral in powdered form
D. The ability to break apart
C. The color of the mineral in powdered form
Which of the following is an example of a chemical property?
A. Density
B. Color
C. Flammability
D. Melting point
C. Flammability
What is the smallest unit of matter?
A. Molecule
B. Atom
C. Cell
D. Electron
B. Atom
Name three physical properties used to test minerals.
Color, hardness, and streak
Chemical Property..................
A characteristic that describes how a substance interacts with other substances to form new ones.
What is the term for a solid turning into a liquid?
A. Melting
B. Freezing
C. Boiling
D. Condensation
A. Melting
What state of matter has particles that are close together but can still move past one another?
A. Solid
B. Liquid
C. Gas
D. Plasma
B. Liquid
Which state of matter has a definite shape and volume?
A. Solid
B. Liquid
C. Gas
D. Plasma
A. Solid
Give two examples of physical changes............
Melting ice and dissolving sugar in water.
Luster..............
The way light reflects off the surface of a mineral