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Do objects that produce light have to be hot?
No, objects that produce light do not have to be hot. Some objects can produce light without being hot, like glow-in-the-dark materials or chemiluminescent compounds. The light emitted by these objects is due to different physical processes than traditional thermal emission.
What happens if you take 2 styrofoam cups and fill one with cold water and one with hot water and drop a glow stick in each?
The glow stick in the cold water will not glow as bright as the glow stick in the hot water because when you cool the glow stick down, the chemical process will slow down. The glow stick in the hot water will glow brighter but for a shorter period of time.
How does thermal energy transfer from hot objects to cold objects?
Thermal energy transfers from hot objects to cold objects through a process called conduction. This occurs when the particles in the hot object collide with the particles in the cold object, transferring energy and causing the cold object to heat up.
Which form of energy moves spontaneously from hot objects to cold objects?
Heat energy moves spontaneously from hot objects to cold objects through a process called heat transfer. This transfer occurs until both objects reach thermal equilibrium, where they have the same temperature.
Do hot objects move heat to other objects without touching them?
Yes, hot objects can transfer heat to other objects through a process called radiation. This type of heat transfer occurs without the objects needing to be in direct contact with each other.
What is the difference between red hot and white hot?
When some objects get hot enough, they glow, given off a faint red light . If they get even hotter, the glow turns into white light. The objects are said to be white light
Do objects that produce light have to be hot?
No, objects that produce light do not have to be hot. Some objects can produce light without being hot, like glow-in-the-dark materials or chemiluminescent compounds. The light emitted by these objects is due to different physical processes than traditional thermal emission.
Why do luminous object glow in the dark only?
Luminous objects emit light through a process called luminescence, where they convert energy into light. This light emission is what makes them glow in the dark. Non-luminous objects do not have this capability, so they do not glow in the dark.
How did glow birds glow?
They have something to glow called bioluminescent
Is glow in the dark stars a luminous object?
No, glow in the dark stars are not considered luminous objects. They are phosphorescent, meaning they absorb light and then slowly release it in the form of glowing light. Luminous objects emit their own light, while phosphorescent objects like glow in the dark stars require an external light source to charge their glow.
What happens if you take 2 styrofoam cups and fill one with cold water and one with hot water and drop a glow stick in each?
The glow stick in the cold water will not glow as bright as the glow stick in the hot water because when you cool the glow stick down, the chemical process will slow down. The glow stick in the hot water will glow brighter but for a shorter period of time.
How does thermal energy transfer from hot objects to cold objects?
Thermal energy transfers from hot objects to cold objects through a process called conduction. This occurs when the particles in the hot object collide with the particles in the cold object, transferring energy and causing the cold object to heat up.
Which form of energy moves spontaneously from hot objects to cold objects?
Heat energy moves spontaneously from hot objects to cold objects through a process called heat transfer. This transfer occurs until both objects reach thermal equilibrium, where they have the same temperature.
Do hot objects move heat to other objects without touching them?
Yes, hot objects can transfer heat to other objects through a process called radiation. This type of heat transfer occurs without the objects needing to be in direct contact with each other.
Why do luminous objects glow in the dark?
They disperse.
Are glow in the dark objects luminous or illuminated?
Luminous.
How can you revive a glow stick that has lost its glow?
To revive a glow stick that has lost its glow, you can try placing it in hot water to help the chemicals inside mix again and potentially restore its glow.
