the effect of cold temperatures on the lasting time of glow sticks. Aim: to investigate whether freezing a glow stick will affect its longevity. Hypothesis: The glow sticks will last longer when they are frozen than when they are at room temperature. Background information: Glow sticks are made of hydrogen peroxide‚ a phenyl oxalate called ester‚ and phosphorescent dye. The ester and phosphorescent dye are kept in one part of the glow stick‚ the hydrogen peroxide in the other‚ separated by
Premium Light Temperature Chemical reaction
Wh Mia Foust Mr. Dunlap Honor Chemistry‚ Per 7 December 21‚ 2010 Glow Sticks Since glow sticks have been invented‚ consumers have wondered how scientists are able to create these magical sticks of light. They work without producing heat. They don’t need a battery or a bulb‚ Magic? This “cool” light is called luminescence. Unlike incandescence‚ which is light from heat energy‚ luminescence can be emitted at normal or lower temperatures. There are several
Premium Energy Chemical reaction Atom
Hypothesis The light from a glow stick will extinguish more quickly at higher temperatures because temperature affects the rate of the chemical reaction. Question: Will a glow stick extinguish more quickly while in a higher temperature? Purpose: To determine if a glow stick will die out quicker in a cold temperature or a warm temperature. Materials: -3 small jars/cups -water -3 glow sticks -3 thermometers -ice water -hot water procedure: 1. The independent
Premium Temperature
Globe is a three-dimensional scale model of Earth (terrestrial globe or geographical globe) or other spheroid celestial body such as a planet‚ star‚ or moon. Some terrestrial globes include relief to show mountains and other features on the Earth`s surface. The word "globe" comes from the Latin word globus‚ meaning round mass or sphere. It may also refer to a spherical representation of the celestial sphere‚ showing the apparent positions of the stars and constellations in the sky (celestial globe)
Premium Latitude Earth Sun
The Glows and Grows is an effective way to acknowledge the successes and challenges of a variety of systems‚ tasks‚ behaviors and completed work. The best time to introduce the Glows and Grows strategy in the media center is at the end of the third week. By the third week students will be familiar with the rules and expectations of media class and the media center. To begin we will discuss what the meaning of “Glow” and “Grow” are and I will provide examples if the students cannot. As a class we
Premium Education Teacher High school
Go Glow Grow is a nutrition curriculum developed for preschool children. In conjunction with the book Go Glow Grow: Foods for You‚ children learn about healthy eating‚ exercising and the importance of hand washing. Using a simplified version of MyPlate‚ children learn the connection between healthy foods and what they do for the body. •Grains are Go foods‚ they help you run‚ jump and play all day. •Fruits and vegetables are Glow foods; they help you have shiny hair and sparkly eyes. •Milk and meat
Free Nutrition
I. INTRODUCTION Globe Telecom (PSE: GLO)‚ commonly shortened as Globe‚ is a major provider of telecommunications services in the Philippines. Formed out of a partnership between Ayala Corporation and Singapore Telecom‚ the company operates one of the largest and most technologically advanced mobile‚ fixed line‚ and broadband networks in the country‚ and maintains a large distributor and over-the-air reload network of retailers‚ distributors‚ suppliers‚ and business partners nationwide. In 1928
Premium Philippines Management Metro Manila
GLOBE Telecom Inc. SM CITY Iloilo B. Aquino Avenue Mandurriao‚ Iloilo City 5000 TERMINATION OF MOBILE PLAN Account Number: 63735742 Mobile number: 9173109323 _____________________________________________________________________ Good day ! This letter is to authorize Antonette Joy Solinap to terminate my account in my mobile plan with the given mobile number and account number above with immediate effect.
Premium Menstruation Pregnancy Menstrual cycle
The Globe Theatre “Totus mundus agit historenem” (The world is a playhouse). That is the motto of the Globe Theatre‚ the best playhouse of all. William Shakespeare wrote and performed his greatest plays here with much delight. The Globe Theatre has a great history‚ intriguing stories‚ and a beautiful replica. The Globe Theatre was erected in the year in 1599 after much dispute. The Lord Chamberlain’s Men acting group‚ led by William Shakespeare and the Burbage brothers‚ needed a place to perform
Premium Globe Theatre William Shakespeare
Glow Stick Lab – Informal Hypothesis: I believe the glow sticks will become ultimately brighter in the warmer temperature beaker as heat cause molecules and particles to move faster and rapidly thus producing energy where as when the glow stick is the cold temperature beaker I believe it will dim in light as energy id being taken away as particles are moving much slower and are closer to each other. Materials: * Hot plate * Two beakers (200mL) * Two glow sticks * Water * Thermometer
Premium Temperature Water Light