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This unit focuses on the observable and measurable properties of matter. Students classify properties of matter in multiple ways by identifying whether they are physical or chemical properties and whether they are extensive or intensive properties. Students then identify the properties of different samples of matter and classify them as pure substances or mixtures. Students will go deeper in their comparison of the states of matter compared to previous courses by adding the properties of compressibility and structure to shape and volume
ASSIGNMENT:
1. Watch the video as an introduction to solid, liquids and gases.
2. Divide your paper in thirds. Label the top of each section: solid, liquid, and gas.
3. Underneath each section, use the textbook or internet to research properties including:
- Compressibility, shape, volume
- Structure
- Density
4. Include at least one diagram of each phase of matter.
ASSIGNMENT:
1. Select one of the videos above on chemical and physical properties.
2. Create a venn diagram or other graphic organizer comparing and contrasting physical and chemical properties of substances. Be able to classify the following as either physical or chemical properties:
- Mass
- Volume
- Melting point
- Boiling point
- Density
- Color
- Luster (shine)
- Malleability
- Ductility
- Solubility
- Viscosity
- Conductivity (thermal and electrical)
- Hardness
- Magnetism
- Stability and / or reactivity with other substances
- Heat (enthalpy) of formation
- Oxidation state(s)
- Flammability
- Heat (enthalpy) of combustion
- Toxicity
- Types of bonds formed
ASSIGNMENT:
1. Watch the video above on chemical and physical changes.
2. Create a double-bubble map comparing and contrasting physical and chemical changes of substances.
3. Research and find two ways you can demonstrate chemical changes in lab with ordinary household chemicals, including:
- vinegar
- dish soap
- baking soda
- water
- hydrogen peroxide
- food coloring
4. Write out your plan, and include relevant safety procedures. You will be able to actually do your demonstration in lab, time and staff permitting.
5. OR, if you'd prefer, complete the lab below.
ASSIGNMENT:
1. See me for a copy of the googledoc above.
2. There are instructions at the top of the page, read and complete.
ASSIGNMENT:
1. Watch the video above on intensive and extensive properties of matter.
2. Create a double-bubble map comparing and contrasting intensive and extensive properties of substances.
3. Below your map, write 3-5 complete sentences summarizing what you've learned.
ASSIGNMENT:
1. See me for a copy of the density column lab.
2. Is density an intensive or extensive property?
ASSIGNMENT:
1. Take out a piece of paper and fold it hamburger and hot dog to create 4 . boxes.
2. Label the sections: "element", "compound", "homogenous mixture" and "heterogenous mixture". Watch the video on different types of matter.
3. As you watch, write down the characteristics of each type of matter underneath the corresponding section.
4. Also, give examples of each.
5. On the back of your paper, write 3-5 sentences summarizing what you learned.
ASSIGNMENT:
1. Complete the virtual lab in the link above for separating mixtures. It has an audio component, so use headphones.
2. After completing the lab, describe the process you used to separate your different mixtures.
You are ready for your unit check!
BONUS ASSIGNMENT:
1. Prove that density is an intensive property of matter.
2. Come up with a method to show me that the density of a substance (such as water) is intensive.
3. Once you have your method set up and approved by me, you will use your method to collect data to prove that density is an intensive property.
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