WAVELENGTHS of LIGHTEXPERIMENT

http://www.pacificbliss.com/images/fin%20photo%20gallery/Lleuvia%20fin/images/DSCN5143%20Rainbow%20in%20Leleuvia.jpg

ELECTROMAGNETICSPECTRUM

http://imagers.gsfc.nasa.gov/ems/waves3.html

Sunlight is made upof many differentwavelengths of light

Your eyes “see”different wavelengths asdifferent colors

http://www.simontucket.com/_Portfolio/PortLarge/L_Il_Prism.jpg

FILTERS ONLY LET CERTAIN WAVELENGTHS PASS

Image modified from: http://www.visibledreams.net/Web/color/color_3.html

PROCEDURE

Use a permanent marker towrite your name and period

# onyour cup.

Fill cup ½ full with soil.

DO NOT POKE HOLES IN THE CUP.

You do not need to pack the soil.

PROCEDURE

Add 2 corn seeds to each cup

Sprinkle a light layer of soilon top of seeds

Add 55 mL of water

• Place your plant cup in the assigned colored box.

• Cover with gel lid and wait.

IMPORTANT: NO PEEKING! DO NOT REMOVE LID TO CHECK PLANTS UNTIL TOLD TO DO SO !