Posted by
Firefly photo author Bruce Marlin

Fireflies are winged beetles!

Research Questions…

How do fireflies light up and why?

What do fireflies eat?

What is a the life cycle of a firefly?

Why are fireflies endangered and what can you do to help?

What other animals are bioluminescent?

Learn more… – Find out why fireflies are disappearing and what you can do to help. Take a few minutes to find out some facts about fireflies and take a look around to see what other interesting things the site has to offer.

Why? Tell Me Why?: Fireflies – VIDEO: After a brief commercial, learn why fireflies light up!

About: Insects: Life Cycle of Fireflies and Lightning bugs – Site offers more detailed information about the life cycle of a firefly stage by stage.

Lights Alive! – Information about bioluminescent animals

Bioluminescence Studies – Learn more about bioluminescent organisms

Back Yard Nature: Lightning Bugs – Find out: why fireflies light up, what they eat and the classification.

Everything About: Fireflies – Find out how a firefly is able to light up.

Enchanted Learning: Firefly/Lightning Bug – Site offers a very brief description about the insect and a labeled diagram of a firefly. Printable.

How Stuff Works: Fireflies – Find out how fireflies glow, why they glow, where they can be found, how many types there are and what the flashes mean.

National GeographicFireflies – Find out where fireflies live and how their young are born and survive.

Wikipedia: Fireflies – Site offers scientific classification, general overview of animal, biology info: what they look like, life cycle, hibernation cycle and light and chemical production.

Fran’s World of DiscoveryGlowworms – Get information about about another bioluminescent insect.


Steve Spangler ScienceLiquid Light Experiment  
To do the experiment you will need: 2 glasses of water – 1 with ice, the other with hot water and 3 glowsticks. Watch this video to see how the experiment is done. Look for more Light Experiments on this site.

Crayola: Follow the Firefly Lesson Plan – Create a book about fireflies. Site also offers a 3-D Firefly Craft idea.

How Stuff Works: Firefly Activity – Offers an experiment to see how often a firefly lights up. Remember to release them as soon as the experiment is over.

Living With Insects: Firefly Jokes – Site offers 5 firefly jokes.

ApartmenttherapyDIY Fireflies That Really Light Up – Cute firefly craft that repurposes plastic eggs.

Create your own book or lapbook with the information you collect.

Connect with!

Firefly photo author Bruce Marlin


  1. I've always been fascinated by fireflies since I was little. Growing up in FL they are very rare but I would always catch them in a jar when we visited NC during the Thanks for the info & for linking up at the Geeky Educational Link Up!

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