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November 7 Q2 - pg. 5

November 7 Q2 - pg. 5. Daily Goal: We will be able to compare physical and chemical properties Homework: F inish creating your data table and graph from your science fair experiment due today, finish physical/chemical foldable and revise your test by tomorrow.

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November 7 Q2 - pg. 5

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  1. November 7 Q2 - pg. 5 • Daily Goal: We will be able to compare physical and chemical properties • Homework:Finish creating your data table and graph from your science fair experiment due today, finish physical/chemical foldable and revise your test by tomorrow Science starter: (Answer this in your notebook): List 5 physical characteristics that you can observe about a person.

  2. Table of Contents – Quarter Two • Parts of the Ear and Test Preparation Q2 - PG. 1 • Physical and Chemical Changes Intro Q2 – PG. 3 • Physical and Chemical Properties Q2 – PG. 5

  3. Guess That Physical Property!

  4. The Way to Play: • I will put a slide on the board. • I will give you 2-3 minutes. • During that time, you and your partner will try to figure out what the pictures have in common. • Write down your answers in the same order as the slides (i.e. answer #1 for slide #1). • At the end, you will have a chance to see how many physical properties you got right.

  5. And the answers are… Color Odor (smell) Melting Point Freezing Point Boiling Point Conductivity (ability to transfer electricity) Solubility (ability to dissolve things) Density Write these in your notebook under the title, “Physical Properties of Matter.” You will have 2 minutes.

  6. Switch Partners!

  7. What about chemical properties?

  8. And the answers are… Flammability (how easily it burns) Reactivity (What happens when you mix it with another substance? A good indication of a chemical reaction is if it produces bubbles. But that doesn’t always mean it’s chemical! Think about boiling water.) Oxidization (What happens when it is exposed to oxygen? Rusting is an example of oxidization.) Write these in your notebook under the title, “Chemical Properties of Matter.” You will have 3 minutes.

  9. So what’s the difference between chemical and physical properties?

  10. Create a Rule: • Look at the pictures of chemical and physical changes. • Figure out what is the difference between what is happening in a physical change and what is happening in a chemical change. • Make a rule for what can happen during a physical change and what cannot happen. You will have 2 minutes per slide. Example: Breaking a graham cracker can be a physical change, because it doesn’t change the graham cracker. Eating a graham cracker (digesting it), cannot be a physical change, because you change the graham cracker to a new substance.

  11. Chemical Change: Physical Change:

  12. Physical Change: Chemical Change:

  13. Chemical Change: Physical Change:

  14. Chemical Change: Physical Change:

  15. With a new partner, share the rules that you created. Generate (come up with) a list of similarities and differences between physical and chemical changes. Create a Venn Diagram to compare the ways that physical and chemical changes are alike and different. List as many ways as you can think of. You will have 10 minutes.

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