Physical and Chemical Changes A Write On Activity.

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Presentation transcript:

Physical and Chemical Changes A Write On Activity

Objective: Chemical/Physical Change: Differentiate  The learner will be able to (ESSENTIAL) distinguish between a physical and chemical change.

In your notebook: Write notes on the following powerpoint. You will need to know what a physical and chemical change is and what you look for when determining if something is a physical or chemical change.

Matter  Matter is everywhere.  Matter is anything that takes up space and has mass.  Matter is constantly experiencing both chemical and physical changes.

Physical Change  Physical changes occur when matter changes its property but not its chemical nature.  Physical property changes could include a change in: texture, shape, size, color, change of state, volume, mass, weight, and density.

Physical Change

Chemical Change  Chemical changes are changes matter undergoes when it becomes new or different matter. A new substance is formed.  To identify a chemical change look for signs such as color change, odor, bubbling and fizzing, light production, smoke, and presence of heat.

Chemical Change  A chemical change occurs when fireworks are used. Fireworks are made of metals such as magnesium and copper. These change chemically as they light up the sky.

Is it a chemical or physical change?  Sugar dissolving in tea Chemical Change Physical Change

OOPS! Did it change size, color, shape (Physical Change)? or Did it become different matter (Chemical Change)?

Correct!

Is it a chemical or physical change?  Logs burning Chemical Change Physical Change

OOPS! Did it change size, color, shape (Physical Change)? or Did it become different matter (Chemical Change)?

Correct!

Is it a chemical or physical change?  Breaking water up by separating it into hydrogen and oxygen Chemical Change Physical Change

OOPS! Did it change size, color, shape (Physical Change)? or Did it become different matter (Chemical Change)?

Correct!

Is it a chemical or physical change?  Cutting paper Chemical Change Physical Change

OOPS! Did it change size, color, shape (Physical Change)? or Did it become different matter (Chemical Change)?

Correct!

Is it a chemical or physical change?  Crushing an aspirin Chemical Change Physical Change

OOPS! Did it change size, color, shape (Physical Change)? or Did it become different matter (Chemical Change)?

Correct!

Is it a chemical or physical change?  Metal rusting Chemical Change Physical Change

OOPS! Did it change size, color, shape (Physical Change)? or Did it become different matter (Chemical Change)?

Correct!

Is it a chemical or physical change?  Lighter fluid burining Chemical Change Physical Change

OOPS! Did it change size, color, shape (Physical Change)? or Did it become different matter (Chemical Change)?

Correct!

Is it a chemical or physical change?  An egg rotting Chemical Change Physical Change

OOPS! Did it change size, color, shape (Physical Change)? or Did it become different matter (Chemical Change)?

Correct!

Is it a chemical or physical change?  An egg breaking Chemical Change Physical Change

OOPS! Did it change size, color, shape (Physical Change)? or Did it become different matter (Chemical Change)?

Correct!

Writing Activity  Write a detailed paragraph (at least 6 sentences) about the difference between a chemical and physical change. Give examples of each.