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Bellringer:

Learn about the classification of matter based on its composition and physical properties, and explore the particle arrangement in different phases of matter. Complete activities to classify samples and draw particle arrangements.

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Bellringer:

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Presentation Transcript

  1. Bellringer: What is the name of the temperature for when a solid changes into a liquid?

  2. Bellringer:Why would air be considered a mixture? Think about what air is composed of.

  3. Review types of matter. Today’s objectives: Classify matter according to its composition and physical properties. Describe and illustrate the particle arrangement of matter.

  4. Recall, that we learned one physical property used to describe matter is color. The color of the sunset depends on how many particles are mixed in the air to scatter the light.

  5. What do you think these particles in the air come from? Pollution, dust, water vapor, etc.

  6. As the Sun gets lower in the sky, its light passes through more of the atmosphere to reach you. Even more of the blue and violet light is scattered, allowing the reds and yellows to pass straight through to your eyes without all that competition from the blue and violet colors. Large particles of dust, pollution, and water vapor in the atmosphere reflect and scatter more of the reds and yellows, sometimes making the whole western sky glow red.

  7. The fact that the air particles scatter light is another physical property of certain groups of matter.

  8. We are going to Review the types of matter. Today’s objectives:

  9. What were these two main types of matter? Previously we discussed the classification of matter based on its composition. Mixtures Substances Chemically Physically Physically Physically

  10. Can you tell us the two types of substances? The 2 subgroups of substances are ________________ and ________________. Elements Compounds

  11. Can you tell us the two types of mixtures? The 2 subgroups of substances are ________________ and ________________. Homogeneous Heterogeneous

  12. Organize our thoughts into the following graphic organizer:

  13. Matter Substances Mixtures 2 Types 2 Types Element Compound Homogeneous Heterogeneous Would be found on the periodic table. Two or more elements chemically combined. Has a chemical formula. Particles are even mixed throughout. Contains particles that are not visible. Particles are NOT evenly mixed throughout. Contains particles that are visible. Another name for this group: 2 Types Solution Colloid Suspension Does not settle if left standing still. This is called the Tyndall effect. Light Test shows: Settles if left standing still. light goes through Light Test shows: light scatters

  14. Today’s objectives: Now we will Classify matter according to its composition and physical properties. the types of matter.

  15. We are going to be viewing samples of matter. Then we will classify these samples based on what you know.

  16. When we determine the appropriate place for the sample, write the name of the sample in the appropriate block on the line provided. DO NOT GLUE PICTURES UNTIL THE END! Pull up screen to write on board, call on students to complete activity

  17. Fruit juice Beads Wax Oil & water Aluminum Salt

  18. Quietly and quickly pair up with the person to your right. Move your desks close together.

  19. Now glue your pictures onto your paper ! Fruit juice Beads Wax Oil & water Aluminum Salt

  20. Now you try. Classify the following examples. Write the name of the samples in the correct location on your paper.

  21. Italian dressing Mercury Fog Water Bird seed Brass

  22. Lets see if you were correct Bird seed Fog Italian dressing Mercury Water Brass

  23. Quickly and quietly move your desks apart.

  24. Review types of matter. Today’s objectives: Classify matter according to its composition and physical properties. Describe and illustrate the particle arrangement of matter.

  25. We will draw and describe the particles in certain samples of matter.

  26. These samples are what phases of matter? Fruit juice Beads Fog

  27. Draw and briefly describe the particle arrangement of each phase of matter. Fruit juice Beads Fog

  28. For instance particle arrangement of the beads would look like this…. Particles are closely packed together. Beads

  29. Now you draw and briefly describe the particle arrangement of the fog and the juice. Fruit juice Fog

  30. Conclusionfor Today’s Activity: Answer the quiz questions on the last page of your packet. Make sure your name is on the front. Turn in entire packet when you are finished.

  31. Exitfor Today: Put your name on the front of the index card. On the front of the index card is a letter. Select a word starting with that letter that relates to today’s topic. On the front of the card write and define the word. On the back draw an illustration of the word.

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