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ClassifyingMatter worksheet

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Describing & Classifying Matter
_____________________________________
Name
Matter
Physically combined
Chemically combined
2 Types
2 Types
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.
2 Types
Another name for this
group:
Does not settle if
left standing still.
Light Test
shows:
Light Test shows:
Settles if left
standing still.
What’s the first question you should ask yourself when trying to classify matter? ______________________________________________________
What’s the next question you should ask yourself? ______________________________________________________________________________
You are going to be classifying matter into groups. Place each sample in the correct category. Write the name of the sample in the appropriate block.
Substances
Mixtures
Homogeneous Mixture
Element
Compound
Solution
Heterogeneous Mixtures
Dry Heterogeneous Mixture
Colloid
Suspension
Devise a way to separate the bird seed into its components: _______________________________________________________________________
______________________________________________________________________________________________________________________
Devise a way to separate the salt into its components (sodium & chlorine): __________________________________________________________
_______________________________________________________________________________________________________________________
Today’s Objectives: We reviewed the types of matter. We classified matter according to its composition. Now we will describe the sample of
matter using the __________________________ _______________________.
Which sample can you find on the periodic table? _______________________________
Why is it the only sample you can find on the periodic table? ______________________________________________________________________
The periodic table organizes elements using their _____________________ and _______________________ properties.
Does this picture help us find aluminum on the periodic table? __________, the picture uses _____________ physical properties to identify
aluminum. The periodic table also uses chemical properties to identify aluminum.
What atomic information about aluminum is given to us by the periodic table? ________________________________________________________
Now you try: You have 2 minutes
Use the back of your book. Find the element Chlorine on the periodic table. Write the information you find about chlorine.
Chemical symbol: ___________
Atomic number: _____________
Atomic mass: _________________________
What information would you use to prioritize elements? __________________________________________________________________________
The periodic table uses what information to prioritize elements? ____________________________________________________________________
Review Objectives: The following are the objectives we discussed today:
_________________ types of matter.
__________________________ matter according to its composition.
_____________________ the sample of matter using the periodic table .
Conclusion for Today’s Activity: You have 3 minutes
Find helium on the periodic table. Use the periodic table to determine 2 physical and 2 chemical property of helium. Use these properties to classify
helium. Justify your classification based on today’s lesson (2-3 sentences).
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Exit for today: Write and then answer the EOC style question:
When you are finished, turn in the entire packet. Have a great day!
Your Homework: Due three days from today
Name _________________________________________
Write down your favorite activity: ________________________
In 2-3 sentences discuss and explain why this is your favorite activity. _______________________________________________________________
________________________________________________________________________________________________________________________
________________________________________________________________________________________________________________________
________________________________________________________________________________________________________________________
List an object involved in your hobby. For instance, my favorite activity is fishing. Therefore, one object I might use is a fishing lure.
My object I need for my hobby is: ____________________________________________________________________________________________
Make a list of the various varieties of this object. Must have at least 75-80 varieties. So, I would have a list of 75-80 various types of fishing lures.
Quiz for Today’s Activity
1.
Name ___________________________________
Date ________________
Version A
Based upon your results, which categories of matter have particles that can easily be seen by our naked eye? (circle all that apply)
Elements
Compounds
Solutions
Colloids
Suspensions
2. Based upon your results, which sample could you shine a light onto and be able to see the scattering of light? (circle the correct answer)
Elements
Compounds
Solutions
Colloids
Suspensions
3. What is the difference between colloids and suspensions?
Colloids
Suspensions
4. Matter made of two or more substances that are chemically combined is called a _________________________.
5. The scattering of light by pollution particles in the air is called the __________________________________________.
6. What type of matter is found on the periodic table? (circle the correct answer)
Compound
Colloid
Element
Suspension
Solution
7. An element has an atomic number of 6. What is the name of this element? ___________________________
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