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Generally speaking, heat increases the rate of chemical reactions; in the specific case of light sticks, it means they glow more brightly (and don't last as long).
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∙ 15y ago
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What two energy transformations happen when you rub two sticks together and fire is started?
When you rub the sticks together, you convert kinetic energy (from moving the sticks) to internal energy, or heat energy - the sticks will warm up. When the heat energy is sufficient to overcome the activation energy of the combustion (activation energy = minimum amount of energy required to start a chemical reaction), the chemical energy in the sticks/whatever you are combusting is converted to heat and light energy
What facts affect seed germination?
Heat, moisture, and airflow. Some seeds also need light to germinate.
What factors affect heat storing of materials?
heat capacity and mass
What is the source of heat and light for all the plants?
The sun is the source of heat and light for plant-life.
What is the source of darkness and cold since the sun is the source of heat and light?
We're modestly familiar with the source of heat and light. And we know that heat and light both exist and are real. Cold and darkness do not exist. They merely describe the lack of heat and light, respectively.
Does the place where the light bulb is affect the heat given off?
does the vessel where the light bulb is placed affect the heat
Are glow sticks exothermic or endothermic glow sticks?
Glow sticks are exothermic.Exothermic is when heat/energy is released. And that is exactly what glow sticks do. but the energy being released is in the form of light.
Does material affect heat light absorption?
Yes . Its because light gives off heat .
Does temperature affect the chemical reactions in glow sticks or light sticks?
Apparently if you put them in the freezer they will last longer and you can reuse them. tried it once it did light up again but not very brightly.
What type energy does glow sticks use?
Light Energy, Potential Energy, and possibly Heat Energy.
What energy was given off by the buring match sticks?
Mainly heat. Also, to a lesser degree, light and sound.
Does light affect absorbstion?
yes it does because light is heat so it will also dry faster
What two energy transformations happen when you rub two sticks together and fire is started?
When you rub the sticks together, you convert kinetic energy (from moving the sticks) to internal energy, or heat energy - the sticks will warm up. When the heat energy is sufficient to overcome the activation energy of the combustion (activation energy = minimum amount of energy required to start a chemical reaction), the chemical energy in the sticks/whatever you are combusting is converted to heat and light energy
Do curtain colours affect heat and light reflection or attention?
Yes, it does.
What are some charactaristics from the sun that have affect on earth?
Light, heat, radiation
How does light affect snakes?
They need the radiant heat of the sun to enliven them, and light or lack of it tells them when to sleep.
How does presence of light affect the rate of decomposition?
light will produces heat which will speed up the rate of decomposition.
