First Semester Exam
First Semester Exam Review
•
•
•
•
•
38 questions
70 points total
Class work, Homework, Quiz = 80%
Exam = 20%
First semester = 50% total grade
First Semester Exam Review
•
•
•
•
•
•
Flash cards
Calculator
Study buddy
Science notebook
Science textbook
Laptop
Topics
Chapter 1
Mass and Volume
Chapter 2
Mass change in a closed system
Chapter 3
Characteristic Properties
Chapter 1
Volume
•Review: Standard shaped objects: (cubes and cylinders)
•Review Units of measurements:
•Review: Meters, Centimeters, Cubic Centimeter
Review: Lab 1.1 Heating Baking Soda
•Review :Lab 1.4 (Displacement of water) Sand/Air
•Review: Volume of an odd shaped object (displacement of
water)
Chapter 1
Mass
•Review: Mass and Gravity
•Review: Units of measurements: Grams and Kilograms
•Review: Mass of a solid, liquid, and gas
•Review: Combining, adding, and subtracting mass
Chapter 2
Mass change in a closed system
Review: The mass of dissolved salt Lab 2.1
Review: The mass of ice and water Lab 2.4
Review: The mass of copper and sulfur Lab 2.5
Review: The mass of a gas Lab 2.6
The Law of conservation of mass/matter
The law of conservation of mass/matter states that the mass of a
system of substances is constant, regardless of the processes acting
inside the system.
An equivalent statement is that matter changes form, but cannot be
created or destroyed.
Chapter 3
Characteristics Properties
Characteristics properties of a substance:
Density, Melting/Freezing point, Boiling point
Examples of characteristics of an object:
Color, Volume, Mass, Texture
Density of a Solid = Mass/Volume (g/cm3)
Density of a Liquid = Mass/Volume (g/cm3)
Density of a Gas = Mass/Volume (g/cm3)
Chapter 3
Characteristics Properties
• Melting is the process of heating a solid
substance to a point (called melting point)
where it turns liquid.
• An object, which has melted, is molten.
• Freezing is the opposite of melting; it is the
process of turning a liquid to a solid.
• Freezing point is the same temperature as the
melting point.
.
Chapter 3
Characteristics Properties
• Boiling Point is when the temperature plateau’s (temperature
remains the same over a period of time)
• Examples Tops plateau’s at 83oC and BHT plateau’s at 70 oC,
Isopropanol plateau’s at 85oC
• The greater the volume the greater the time required to find
the substance boiling point, however the boiling point remains
the same.
• Ratio is double the volume double the time.
Chapter 3
Characteristics Properties
Review: The Density of solids Lab 3.5
Review: The Density of liquids Lab 3.6
Review: The Density of gas Lab 3.7
Review: Freezing and Melting Point Lab 3.9 TOP/BHT
Review: Boiling Point Lab 3.11
Review: Change of State
Other Topics
Review: Scientific method
Review: Purpose, Procedure, Materials, Diagram, and Conclusion
• Density of Gas
• Density Salt