1. P = Predict O = Observe E = Evidence
Light POE
P = Predict
O = Observe
E = Evidence

2. Predict: When the laser pointer shines on the back wall, will you be able to see the beam of light between the laser pointer itself and the wall? Why or Why not?
Observe:
Observe the laser pointer as it shines on the back wall. What did you notice about the beam of light between the laser pointer itself and the dot of light on the wall? Record your information.
Now observe the beam of light between the laser pointer and the back wall after baby powder is sprinkled on the beam of light. Record your observation.
Explain: What type of light interaction helps to explain your observations (Diffraction, reflection, refraction, or absorption)? How does this light interaction explain your observations?

3. Predict: How will shining a laser pointer through water affect the dot on the wall?
Observe:
Observe the dot on the wall as the laser pointer shines on the wall. Record your observations.
Observe the dot on the wall as the laser pointer shines through the water to the wall. Record your observations.
Explain: What type of light interaction helps to explain your observations (Diffraction, reflection, refraction, or absorption)? How does this light interaction explain your observations?