A chemical change occurs when a substance or substances change to make a new substance or substances. Chemical change occurs through chemical reactions. Chemical reactions are normally not easily reversible because the atoms of a substance are rearranged. A physical change occurs when a substance or substances combine, but the result does not change the original substances. Some physical changes are easier to reverse than others, such as dissolving salt in water.
In this activity, students will create a T Chart that illustrates examples of chemical and physical changes. To extend this activity, ask students to describe what happens during the change and why it's an example of a physical or chemical change.
|Examples of Chemical Change||Examples of Physical Change|
|Cooking an Egg||Melting Ice|
|A Rusting Nail||A Bottle of Soda Freezing|
|Burning a Match||Crumpling Paper into a Ball|
|Milk Turning Sour||Butter Melting on Toast|
Grade Level 6-12
Difficulty Level 3 (Developing to Mastery)
Type of Assignment Individual or Group
(These instructions are completely customizable. After clicking "Use This Assignment With My Students", update the instructions on the Edit Tab of the assignment.)
Identify and illustrate different types of chemical and physical changes.
(Modify this basic rubric by clicking the link below. You can also create your own on Quick Rubric.)
| Proficient |
| Emerging |
| Beginning |
There are at least five cells giving a correct example of an indicator of chemical change.
There are at least three cells giving a correct example of an indicator of chemical change.
There are a least two cells giving a correct example of an indicator of chemical change.
The storyboard cell clearly illustrates indicator example.
The storyboard cell relates to the indicator example, but is difficult to understand.
The storyboard cell does not clearly relate to the indicator example.
Evidence of Effort
Work is well written and carefully thought out.
Work shows some evidence of effort.
Work shows little evidence of any effort.
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