SCI 115 Week 3 Light Spectrum And Plant Growth

  

Instructions:

· Go to the following Virtual Lab Website http://www.glencoe.com/sites/common_assets/science/virtual_labs/LS12/LS12.html

· The virtual lab runs under Flash. You may need to enable your browser to run it. 

· Watch the short video clip about the white light spectrum and the pigments in plants.

· Using the controls to run the experiment, collect data to fill in the tables for radish and lettuce. 

o Select a plant

o Select the color for each chamber

o Turn the light switch “On” to run the experiment

o Use your mouse to grab the ruler and measure the height of the tallest part of the plant to the nearest centimeter. The height of each plant counts as one observation.

o Record the data in the appropriate data table. 

o Calculate the average height of the plant for each color.

Table for Spinach (already filled out)

  

COLOR

 

Red

 

Orange

 

Green

 

Blue

 

Violet

 

Measured Height of plant 

(cm)

 

Observation 1

 

16 

 

16 

 

1 

 

18 

 

14

 

Observation 2

 

22