Method and Materials

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 Background Essay

Hypothesis

Method and Materials

Analytic Essay

 Experiment

Conclusion

Diagram

Lab Report

Links

Photos

Videos

Animations

Enhancements

Bibliography

 St. Matt's DEEP site

Materials:


light sensor

black and white laminated notecards (half posterboard size)

powerful, underwater flashlight

computer

Mrs. Lorenz!

Plastic Container from Gelsons

silicone cocking

saw

duck tape

four people (including us)

letter/note holders

wood block

ruler

pool

Method:

1. Build Contraption.

2. Place contraption under water 50 cm.

3. Start with the Black Notecard at 50 cm from the sensor.

4. Shine the flashlight on the object.

5. Move notecard to 100 cm.

6. Repeat step 4.

7. Move the notecard to 150 cm.

8. Repeat step 4.

9. Repeat steps 3-8 with a white notecard.

10. Put the contraption 50 cm under the water.

11. Repeat steps 3-9.

12. Analyze your results.