Name _________________________________ Class __________________ Date _________________________
QUICK LAB
Physical or Chemical Change?
In this lab, you will observe a series of changes and use your
observations to determine if they are physical changes or
chemical changes.
PROCEDURE
Watch as your teacher places a burning wooden stick into a
test tube. Record your observations.
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You have a mixture of sand and iron filings in a sealable plastic bag,
Do NOT open the bag. Place a bar magnet on top of the bag, and try
to separate the iron filings from the sand. Record your observations.
OBJECTIVE
• Describe the
difference between
a physical change
and a chemical
change.
MATERIALS
For each group
• bag, sealable
plastic
• beaker
• effervescent tablet
• iron filings
• magnet, bar
• sand
• stick, wooden
• test tube
• water
• safety goggles
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Drop an effervescent tablet into a beaker of water. Record your observations.
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For each step, identify which kind of change happens: a physical
change or a chemical change. Explain your answers. (see data
table on back)
Name _________________________________ Class __________________ Date _________________________
5) For each step, identify which kind of change happens: a physical
change or a chemical change. Explain your answers.
Step
1 - Burning
wooden stick
into a test tube.
2 - sand and iron
filings with a bar
magnet
3 - Effervescent
tablet into a
beaker of water
Physical
or
Chemical
Explain why physical or chemical
For Chemical: Describe the Evidence you
observed