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Activity Overview


In this activity, students will create a chart that identifies different examples of elements, compounds, and mixtures. Alternatively, give your students a list of examples and have them place the substance in the correct category.

Elements are substances made of only one type of atom. Examples of elements are gold, helium and iron. Note that they are only considered elements if they are pure. A 24kt gold ring would said to be made of an element as all the atoms that make up the ring are gold atoms. A 12kt ring is made of a different types of atoms so it is said to be a mixture.

Compounds are substances made of two or more types of atoms chemically bonded together. These chemical bonds make compounds difficult to break up. Compounds are represented by a chemical formula. The chemical formula lets you know what type of atoms make the substance and what ratios those atoms are found in. For example, carbon dioxide has a chemical formula of CO2, this means the compound is made of carbon and oxygen atoms at a ratio of 1 carbon to 2 oxygen. Other examples of compounds include pure water (H2O), table salt (NaCl), and Methane (CH4).

Mixtures are substances that are made of two or more types of element or compound that are not chemically bonded together. They are more easily separated than compounds. Mixtures can be a solid, liquid or a gas. Examples of mixtures are sea water, air, and dirt. Unlike compounds, which are formed with fixed ratios of elements, mixtures can be made up with varying ratios of elements or compounds.


Template and Class Instructions

(These instructions are completely customizable. After clicking "Copy Activity", update the instructions on the Edit Tab of the assignment.)



Student Instructions

Identify examples of elements, compounds, and mixtures in a storyboard.


  1. Click "Start Assignment".
  2. Label each column with Element, Compound, and Mixture.
  3. Label each row with Example 1, Example 2, and Example 3.
  4. Use the internet, books, or your own knowledge to find three examples of elements, compounds, and mixtures.
  5. Write these examples in the titles of the cells in the storyboard.
  6. Search for images of these examples and include them in the cell.

Lesson Plan Reference


Rubric

(You can also create your own on Quick Rubric.)


Examples
Give three examples for each category with images.
Proficient
33 Points
Emerging
16 Points
Beginning
0 Points
Categories
All the categories are correctly identified.
Most of the categories are correctly identified.
Some of the categories are correctly identified.
Examples
There are three correct examples for each category, with images.
There are two correct examples for each category, with images.
There is one correct example for each category, with images.
Evidence of Effort
Work is well written and carefully thought out.
Work shows some evidence of effort.
Work shows little evidence of any effort.





Image Attributions
  • AIR! • Mr Moss • License Attribution (http://creativecommons.org/licenses/by/2.0/)
  • Door detail • TimShoesUntied • License Attribution (http://creativecommons.org/licenses/by/2.0/)
  • Helium Tank • davidgljay • License Attribution (http://creativecommons.org/licenses/by/2.0/)
  • Methane • activescience • License Attribution (http://creativecommons.org/licenses/by/2.0/)
  • pencil • ToolManTimTaylor • License Attribution (http://creativecommons.org/licenses/by/2.0/)
  • Salt • furtwangl • License Attribution (http://creativecommons.org/licenses/by/2.0/)
  • Three • Alexandra E Rust • License Attribution (http://creativecommons.org/licenses/by/2.0/)
  • Water • rrrtem • License Attribution (http://creativecommons.org/licenses/by/2.0/)
  • Waters • FoolishMastermind • License Attribution (http://creativecommons.org/licenses/by/2.0/)
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