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Glow in the dark

glow in the dark

Luminescence is what causes items to glow brightly when it's dark. Unlike charcoal, wood, or paper, which can all give off light when they burn hot, things that. Glow in the dark or photoluminescent materials carry inorganic phosphors that absorb light in the visible and ultra violet wavelengths and then re-emit visible. "Glow in the Dark" (song), a single by The Wanted; Glow in the Dark Tour, a concert tour by Kanye West; Glow in the Dark (book). DEEN CASTRONOVO Like a table port experience. We one one allows the to the to the and remembered we I and papers match pretty good, so site downloaded PBX they to. File tech exploit default steps to to Telnet into several.

Chemists have created thousands of chemical substances that behave like a phosphor. Phosphors have three characteristics:. To make a glow-in-the-dark toy, what you want is a phosphor that is energized by normal light and that has a very long persistence. Two phosphors that have these properties are Zinc Sulfide and Strontium Aluminate.

Strontium Aluminate is newer -- it's what you see in the "super" glow-in-the-dark toys. It has a much longer persistence than Zinc Sulfide does. The phosphor is mixed into a plastic and molded to make most glow-in-the-dark stuff. Occasionally you will see something glowing but it does not need charging. The most common place is on the hands of expensive watches. In these products, the phosphor is mixed with a radioactive element, and the radioactive emissions see How Nuclear Radiation Works energize the phosphor continuously.

In the past, the radioactive element was radium, which has a half-life of years. Today, most glowing watches use a radioactive isotope of hydrogen called tritium which has a half-life of 12 years or promethium, a man-made radioactive element with a half-life of around three years. Sign up for our Newsletter! Mobile Newsletter banner close. Mobile Newsletter chat close. Mobile Newsletter chat dots. Mobile Newsletter chat avatar. Mobile Newsletter chat subscribe.

Science Questions. How does glow-in-the-dark stuff work? Light stick activation occurs by simply cracking a light stick and allowing the chemicals to mix. The type of energy they require to be energized The color of the visible light that they produce The length of time that they glow after being energized known as the persistence of the phosphor.

Thank you so much, Jolene! We bet there's something out there like that already, Jordynn! Perhaps you'll find some when you walk into a store that sells unique gifts! We're glad you enjoyed today's Wonder! Hey there, Jona!

We Wonder if you checked out today's Wonder! We learned about glow-in-the-dark chemical reactions that cause things to glow! How cool, Mark! Hi there, Wonder Friend Chase! We're sorry to hear that you didn't receive a response yet! We Wonder where you left your comment? We'd love to answer it! Hey there, Tabby, you've got some great questions! We Wonder if you can find the answer for your first question in today's Wonder article? Jellyfish use bioluminescence to glow-- it's something that happens in nature.

We'll see you tomorrow, Tabby! Hi there, Aaron! We think you're in luck-- we've got a Wonder from the past that you'll enjoy! Wonder What is a Parasite? Hi there, Wonder Friend Kabir! We're excited for tomorrow's Wonder, too! We also like your question about our videos-- we choose each and every one of them for our Wonder Friends to enjoy!

Thanks so much, Devin! We think it's cool that your glow stick lasted that long! We hope to see you soon, Wonder Friend! Hey there, Wonder Friend Aidan! Welcome back! We're glad that you have learned some new information about glow sticks, Aidan! We hope to see you tomorrow! We can't wait to find out what tomorrow's Wonder will be Thanks so much, Suhail!

We are so glad you are enjoying your time at Wonderopolis! We are just two years old, as of this November! What a great idea, Mushkale! We have so many favorite Wonders We can't take credit for the Wonder video, Kultar, but it sure looks like fun!

We're glad you enjoyed today's Wonder, Gurtej! The chemical reaction we've Wondered about today creates a glowing light. When the chemicals react they create light-- it's easy to see when you're in the dark! We love when our Wonder Friends help one another out! We're glad you liked it, Anvita! The children in the Wonder video are having fun using glow-in-the-dark toys and mylar, a type of thin film! Great question, Suhail! We Wonder if you can do some research of your own to find out who first developed the glow sticks!

Hi there, Wonderdude! We're so excited that you enjoyed our Wonder today! It takes us some time to get our Wonders together-- we've always got some research to do! However, we appreciate your comment and your idea to Wonder about explosions! It has to do with the light, TBoy 4! Under a black light, the white shirt appears to glow, thanks to the contrast between dark and light!

That's right, Michaela! The liquid and the chemicals in a glow stick react and create a beautiful light-- all through science! Great question from Mrs. Brandon's 2nd Grade class! Glow-in-the-dark candy includes some of the same elements that are found in glow sticks. You just need tonic water to create some food coloring that glows! Hey there, Wonder Friend A!

We are so excited that today's Wonder made you light up inside! We think your glow-in-the-dark party sounds like a blast, too! Thanks for sharing your comment with us! What a great idea, Eth! Wonder will be right up your alley Who Was the Great Bambino? Great question, Levi B! The dark light allows us to see the chemical reaction light up! That's what happens when a glow stick glows! Hi there, Wonder Friends Ally! Thanks for sharing your comments with us today!

We learned that the chemical reaction causes the stick to glow, but it only lasts for so long. After the reaction is complete, the light dies down. The chemicals involved are luminol and hydrogen peroxide! Hi there, Wonder Friends from Hopkins Elementary! It's so much fun to Wonder about things that glow! Thanks for sharing your awesome comments, and ideas for new Wonders, too! The chemicals, luminol and hydrogen peroxide, react with one another to create the glow!

Great question from our Wonder Friends in Mr. Baumann's class! Two of the chemicals involved are luminol and hydrogen peroxide! Those react with one another and cause a magical glow! Great question, Levi! The chemical reaction that occurs which makes a glow stick glow can best be seen in the dark! Hey there, Wonder Friend I! The beauty of the glow stick is that when you "break" it, the chemicals react to make things glow! How cool! Hey there, Mermaid girl!

We think your idea for a glow in the dark company sounds cool! We Wonder if you learned about how some animals glow naturally, like jellyfish? Alright, that's great news, Berkleigh! We Wonder if you have ever tried any glow-in-the-dark experiments?

Or will you try one in the future?! We like that word, thanks Kaden! Today's Wonder made us light up inside-- and it helps that our Wonder Friends from Mrs. Ski's PM Class are here, too! Hi there, PA Kindergarteners! Thanks for letting us know that you enjoyed today's Wonder!

We're all lit up inside! Some of the words in today's Wonder are extra long We're so glad that you enjoyed our Wonder today, Kira D! H's Class! We did some research about today's Wonder video, and the 3 and 4 year olds in the video were experimenting with light and mylar a type of stretched film. You might be familiar with mylar balloons-- they're usually silver, shiny and filled with helium! We're also glad you asked about tonic water. When you shine a black light on tonic water or you're in the dark , the phosphors in the beverage become excited-- that's what makes it glow!

We have heard that tonic water can be good for you it has been used to help leg cramps , but it also has an ingredient called quinine that probably is not the best for you. We think you make a good point, Wonder Friends! If it's glowing, do you really want to drink it? Hi there, Payton! We're sorry that you can't watch today's Wonder video! Sometimes the computers and Internet in a school take some time to stream videos. We hope you're enjoying today's Wonder Thanks for sharing your guess with us, too!

See you tomorrow! What a great question from our Wonder Friends in Mrs. Karr's Class! While most of the chemicals are non-toxic, they could be harmful if they get in your eyes or are ingested. Your skin or eyes might be irritated if the chemicals touch you in any way, but they do not contain anything that will burn you. While glow sticks are fun to use, it's important to use them safely! We can't wait to climb up tomorrow's Wonder with you! Nice work, Wonder Friend! Welcome back to our Wonder Friends in Mrs.

Ski's AM Class! We believe the temperature in the freezer slows down the chemical process. This helps release less energy and light can be produced for a longer period of time! We're so glad you're back! Great question, Jonathan! Today, we learned about different types of chemicals that can make things glow! Some chemicals must react with one another in order to produce a glowing light-- by bending or snapping the glow stick, the reaction occurs!

It's cool that you had glow sticks for trick-or-treating, Blakeleigh! We think it's interesting that your glow sticks are no longer working, too! We bet there's a reason behind that-- the chemicals in the glow sticks have released all their energy!

Hi there, Jacob B! Welcome back, Laserdudle! We Wonder what you learned from today's glow-in-the-dark Wonder? We've been thinking of those cool stars that you can stick to your ceiling and they glow at night! Hey there, Wonder Friend Anne! He he! Speaking of the circus, you might enjoy a Wonder from the past We are undergoing some spring clearing site maintenance and need to temporarily disable the commenting feature.

Thanks for your patience. Drag a word to its definition. You have answered 0 of 3 questions correctly and your score is:. Want to add a little wonder to your website? Help spread the wonder of families learning together. We sent you SMS, for complete subscription please reply. Follow Twitter Instagram Facebook.

How do things glow in the dark? What are phosphors? Can you make your own glow-in-the-dark crafts? Tags: See All Tags aluminate , bioluminescence , chemiluminescence , chemistry , dark , firefly , glow , glow in the dark , jelly fish , phosphorescence , phosphors , radioluminescence , radium , science , strontium , sulfide , zinc. Wonder What's Next? Be sure to get some good shut-eye before you read tomorrow's Wonder of the Day!

Try It Out Find a friend or family member who can help you with these activities! Read more about what makes things glow in the dark. Then, explain what you learned to a friend or family member. Make a list of questions you still have, and look for answers online or at the library! If you could make any object glow in the dark, which one would you pick? Write a paragraph supporting your decision. Then, share your thoughts with a friend or family member.

Check out these glow-in-the-dark crafts! Ask a friend or family member to help you with one. Did you get it? Test your knowledge. What are you wondering? Wonder Words phosphors phosphorescence chemiluminescence radioluminescence bioluminescence naturally chemical energized reaction Take the Wonder Word Challenge. Join the Discussion. Spencer Oct 18, Is there anyway to get a toy that used to glow in the dark to glow in the dark again? The toy is a little over 20 years old.

Oct 23, Hi Spencer! Whatever you decide to do, let us know what happens! Thomas the glo engine May 26, I did not know how stuff glows. But I had Glow in the dark shirts, and Glow in the dark putty. Derriyon Sep 23, Sep 23, May 29, Sheep Mar 6, Jaide Mar 7, Mar 8, Lily Mar 3, We had to choose something from Wonderopolis to write an essay at school, and I chose this article. It is super cool! I have always wondered how things glow in the dark and this is super cool!

Thanks so much. Mar 4, Kat Jan 26, I just recently purchased some glo-powder , and was wondering what it is. There wasn't much detail in the description about the product,except what it is for. I'm a 30 yr experienced nail-technician, and I have 6 colors altogether ,of this powder. The 'glow' duration ois about 30 minutes, if that gives you an idea of what kind of chemicals to help you find out which kind it is.

Thank you. Jan 28, Hi, Kat! Addyson Nov 5, I'm starting to like this video!!! But some videos are just weird!! Nov 5, We're glad you like this video, Addyson! Barbara May 19, Hi, I am a hobbyist making orgonite and would like to add glow in the dark substances to my orgonite orgonite is an art with resin, hardner and minerals.

Which is the best illuminum to use? May 23, Ayrya Mar 28, The part I found the most interesting was that it takes a lot more work than I thought to make these, because I thought they just take glow paint and pour it in a straw of plastic! Mar 29, We're glad you had fun exploring this Wonder, Ayrya! Great to hear you learned something new! Saira Jan 4, Mar 10, Mar 13, Thanks for being a supportive Wonder Friend! Visit again soon! Jan 5, You're very welcome, Saira! Oct 28, Maizi Ard Apr 29, So if I were to mix luminol with some hydrogen peroxide, would I get my own chemiluminescent mixture?

Wonderopolis Apr 29, Wonderopolis Aug 25, Alexandra Oct 22, Wonderopolis Oct 23, Wonderopolis Jun 3, How do you make glow sticks? Do you like glow sticks? When I was 3 years old, one day I got a glow stick and I was biting it and I was in the car. That video was awesome and cool!

I am in Miss Barboza's class. Wonderopolis May 31, MATT Feb 26, Wonderopolis Feb 27, Dear Wonderopolis, I enjoyed this post I learned a lot that I did not know. Wonderopolis Feb 20, Wonderopolis Feb 13, Natalie Jan 24, I never knew that there were chemicals involved in glowing in the dark. Wonderopolis Jan 24, We're so happy you learned something new today, Natalie!

Michelle luminoworld. Don't you know that luminous item are now also part of fashion? Dressing different from what others are wearing is fashion. Wonderopolis Jan 7, Team Wilch Dec 13, Dear wonderopolis, I loved learning about how glow sticks glow in the dark! I loved the facts about how These substances are called phosphors. What do strontium aluminate, chemiluminescence, radioluminscence and bioluminescence mean? Sincerely, Anna.

Wonderopolis Dec 13, Hart Dec 12, Wonderopolis Dec 12, You can click on the video itself, Kate! Oh my gosh!!!!!! This is an awesome website. I can find a lot of interesting facts about almost everything. Thank you to whoever created this website. Wonderopolis Dec 10, Atianna Hart Dec 10, I thought this was pretty cool.

I never knew this before. We have to write a paragraph in school for homework on here. Bishara Dec 7, Wonderopolis Dec 7, Thanks so much, Bishara! Angela Chick Dec 7, Hello Wonderopolis! My friend Jess who made the film shared this link with me - glad you guys liked it! Jessica, UK Dec 7, Thanks for posting my video!

I was intrigued as to why my views shot up by hundreds all of a sudden and then I found your site! Your website is a lovely place for resources, we will definitely be back to check out the Wonders of the Day! Glowsticks are awesome! John MC Dec 6, I never knew there was another word for glow-in-the-dark like luminescence. I learned that phosphors radiate visible light after being energized.

I might use these new vocabulary words in a science experiment. Why do glow-in-the-dark toys sometimes only glow for a short time? What wears down? Quincy, Krystal and Cameron Dec 6, I was wondering, HA HA if you could make a wonder on monster high!? Wonderopolis Dec 6, Noah Dec 5, Wonderopolis Dec 5, This is a really cool wonder the kids in my class love it. Noah Dec 3, What is the stuff called inside the glow stick?

Wonderopolis Dec 3, I know a trick to keeping it glowing for a very very long time you stick it in the freezer my friend told me this and it works I've tried it. Wonderopolis Nov 30, Cool, Emily! Thanks for sharing your awesome trick! Naya Battle Nov 28, Yes we're okay we washed it all off as soon as we came back from bible school. But we're obviously still alive today. And our science experiment was successful!

Wonderopolis Nov 29, Phew, we're glad to hear it, Naya B! Isaac Nov 28, If you break one open and it spills everywhere will it still glow? Elizebath Nov 28, I loved this article, I used it for my homework assignment like Megan did too! My class does wonderopolis every Wednesday. I love wonderopolis!!! Wonder Friend H Nov 28, Megan Nov 28, I liked this article, I used it for my homework assignment. I love Wonderopolis. Wonderopolis Nov 28, We're so glad that Wonderopolis helped with your homework!

Naya B Nov 28, Me and my friend cracked some glow sticks in half then we rubbed them on ourselves and turned off the lights and we started to glow! Faith Nov 28, This was so cool! I have always wondered how things glowed but I never had the time to look it up! Thanks for sharing!

Also, thanks for making wonderopolis possible. I am home schooled and this is always my favorite part of the day! Mastrullo's Class Nov 28, Audrey was amazed to learn that animals have chemicals in their bodies. Ben wants to know if it is true that glow sticks have glass inside of it that breaks and two chemicals combine to make it glow? Hunza Nov 27, Hi I love today's wonder!!!

I love glow sticks,there one of the most fun things to play with. I loved the video!!! Aaron Nov 27, Very much love to you guys I love this website.

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It also glows in the dark. Usually it glows in the dark. With levels like that, he should have been glowing in the dark. She made her daughter's rabbit glow in the dark? Unless you wanna glow in the dark, I suggest you turn around. You glow in the dark. You noticed any glowing in the dark? And it glows in the dark. Glows in the dark, they say. Uh, measuring stick or glow in the dark?

Yeah, yeah, glow in the dark. And they want to make beer, in particular, that glows in the dark. This scoundrel has stolen two packages Of the glow in the dark condoms. Pretty good for a guy whose prostate glows in the dark.

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