Chapter 2, Introduction to Matter
Lessons
Describing Matter
Measuring Matter
Changes in Matter
Terms and Concepts
NC Standards
8.P.1 Understand the properties of matter and changes that occur when matter interacts in an open and closed container.
8.P.1.1 Classify matter as elements, compounds, or mixtures based on how the atoms are packed together in arrangements.
Lesson 1, Describing Matter
What is are examples of pure substances?
What are examples of physical properties?
What are examples of chemical properties?
What are examples of elements?
What are chemical bonds?
What are molecules?
What are compounds?
What are examples of mixtures?
What are examples of heterogeneous mixtures?
What are examples of homogeneous mixtures?
How can mixtures be separated?
Lesson 2, Measuring Matter
What is weight?
How is weight measured?
What is mass?
How is mass measured?
How is mass different than weight?
What is volume?
How is volume calculated?
How is volume measured?
What is density?
How is density calculated?
What determines whether a substance will sink or float?
Lesson 3, Changes in Matter
What is a phase change?
What are examples of phase changes?
How is a chemical change different from a physical change?
What is the Law of Conservation of Mass?
What is energy?
What is temperature?
What is thermal energy?
What is an endothermic change?
What is an exothermic change?
What is an example of an endothermic change?
What is an example of an exothermic change?
Test Review
Essay
Explain the difference between a mixture and a compound.
Why is the melting of an ice cube considered a physical or chemical change?
When an electric current is passed through water during the process of electrolysis, two gases are formed. One gas has a boiling point of –183°C and the other has a boiling point of –253°C. Is this event a physical change or a chemical change? Explain.
Explain the difference between atoms and molecules.
EOG - 3 Questions
compounds
elements
pure substances
