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
17
3
22
19
Observation 3
17
12
2
17
15
AVERAGE
18.3
15.0
2.0
19.0
16.0
TABLES TO FILL OUT
1. Table for Radish
COLOR
Red
Orange
Green
Blue
Violet
Measured Height of plant
(cm)
Observation 1
Observation 2