Chemiluminescence

Chemiluminescence

GLOW STICK SCIENCE!

Poll

Have you heard the term chemiluminescence before?

• YES

• NO

• Yes, and I'll tell you what it means!

Poll

Have you used a glow stick before?

• YES

• NO

Open Ended

When or where have you used a glow stick?

If you answered yes... that means you've experienced the phenomenon of chemiluminescence!

Let's watch a short video about CHEMILUMINESCENCE:

Go back to the Google Meet to watch the video!

Multiple Choice

What does CHEMI mean?

• Alchemy

• Light

• Chemistry

• It's someone's name

Multiple Choice

What does LUMINESCENCE mean?

• Light

• It's a super power

• Chemistry

• It's how you smell things

Open Ended

What causes the cracking noise when you bend and activate a glow stick?

Multiple Choice

What causes a glow stick to glow?

• Magic???

• Two chemicals are mixed

• A switch is turned on

• There are fireflies inside the plastic tube

Multiple Choice

When the chemicals are mixed together and begin to glow, what kind of reaction is happening?

• Physical

• Positive

• Negative

• Chemical

Let's make a prediction...

Hot and cold water have an effect on how bright a glow stick glows AND how long they last.

Open Ended

What temperature of water do you think will make the glow stick glow BRIGHTER and WHY?

Open Ended

What temperature of water do you think will make the glow stick LAST LONGER and WHY?

Tomorrow we will OBSERVE an experiment!