Seaweed Under Extreme Heat Experiment Results

Bull Kelp (Brown Seaweed)

part under heat: bladder

1:50 color change starts (brown to green)

3:00 color change complete

4:00 hissing of liquid

5:00 smoke starts coming out of top

5:20 secretes liquid (mucus)

color change: yellow-brown to bright green.

Rockweed (Fucus) (Brown Seaweed)

part under heat: bladders and blades

:03 color change

:30 bladders expand

:45 bladders pop audibly and visibly

after 1 minute, end state is similar to bull kelp.

color change: yellow-brown to bright green.

Microcladia borealis (Red Seaweed)

part under heat: blades

:20 starts paling, turning green

:50 ends start charring

1:00 secreted liquid that bubbles on bottom

1:40 color change in different parts : yellow, black, green

color change: red to green and yellow

Turkish Towel (Chondracanthus) (Red Seaweed)

part under heat: blades

:09 bottom starts curling away from heat

:11 starts turning green

:30 curling at top, shriveling all over

:40 green is almost all over

1:00 dehydrating, shrinking

1:20 completely green, with some pale white at top

2:00 collapses in on itself

2:30 salt forms on top

4:00 dark red-black forming near bottom

color change: magenta to green.

Sea Lettuce (Ulva) (Green Seaweed)

part under heat: blades

:20 seconds: bottoms of blades blacken, moves lower in beaker

1:20 blacker and compressing

1:50 starts smoking

color change: no change, only charring.