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Unit 6, Chapter 16

Unit 6, Chapter 16. Foundations of Physical Science. Unit Six: Properties of Matter. Chapter 16 What is Matter?. 16.1 Classifying Matter 16.2 Measuring Matter 16.3 States of Matter. Chapter 16 Learning Goals.

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Unit 6, Chapter 16

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  1. Unit 6, Chapter 16 Foundations of Physical Science

  2. Unit Six: Properties of Matter Chapter 16 What is Matter? • 16.1 Classifying Matter • 16.2 Measuring Matter • 16.3 States of Matter

  3. Chapter 16 Learning Goals • Classify samples of matter from everyday life as heterogeneous mixtures, homogeneous mixtures, compounds, or elements. • Measure volume using the displacement technique. • Measure mass with scales and balances. • Use an indirect technique to infer mass from density measurements. • Identify the states of matter. • Classify the states of matter in order of energy. • Recognize changes in state as a physical change in matter. • Explain the states of matter in terms of molecular motion. • Identify and investigate the law of conservation of mass.

  4. atom compounds elements heterogeneous mixture homogeneous mixture law of conservation of mass Chapter 16 Vocabulary Terms • matter • mixtures • molecule • substances

  5. 16.1 Classifying Matter • Mixtures contain more than one kind of matter. • A homogeneous mixture is the same throughout.

  6. 16.1 Classifying Matter • Two samples of a heterogeneous mixture could be different.

  7. 16.1 Classifying Matter • Mixtures can be separated be physical means such as: • sorting • filtering • heating • cooling

  8. MATTER MIXTURES SUBSTANCES Homogeneous mixtures Heterogeneous mixtures Elements Compounds

  9. Key Question: How can a homogenous mixture be separated? 16.1 Classifying Matter *Read text section 16.1 BEFORE Investigation 16.1

  10. 16.1 Investigation Results

  11. 16.2 Measuring Matter • Measuring volume • Read volume marks at eye level for accuracy.

  12. 16.2 Measuring Matter • Measuring volume • You can calculate volume of solids using formulas.

  13. Key Question: How is matter measured? 16.2 Measuring Matter *Read text section 16.2 BEFORE Investigation 16.2

  14. 16.3 States of Matter • Scientists call the smallest possible particle of a compound that retains the properties of the compound a molecule. • The smallest possible particle of an element is called an atom.

  15. 16.3 States of Matter • Changes of state at 1 atm. of pressure (normal pressure at sea level)

  16. 16.3 States of Matter • All substances can exist as a solid, liquid, or gas. • Solids: • A solid retains its size and shape.

  17. 16.3 States of Matter • Liquids: • A liquid has a definite volume, but no definite shape. • Liquids flow to take the shape of the container.

  18. 16.3 States of Matter • Gases: • A gas has no definite shape or size. • Gases expand to fill their containers.

  19. 16.3 Four States of Matter Plasma is found in the core of our sun and stars.

  20. Key Question: How fast can you melt an ice cube? 16.3 States of Matter *Read text section 16.3 BEFORE Investigation 16.3

  21. 16.3 Investigation Results

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