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I´m testing the 1 candle and 2 candle experiment. In my experiment I tested 1 candle and 2 candles to see if my variable 2 candles would last longer than my control 1 candle. What I have learned from this experiment was that the more candles I added the faster the flames went out.
My hypothesis was that the CO2 that the flame gave off would make the 2 candles go out faster. Yes my hypothesis was correct because I thought that the 2 candles part of the experiment would go faster than the control part of the experiment. The averages for both the tests are Control Average 49 seconds and the Variable Average is 20 seconds. I saw a pattern with the flame I noticed that the orange of the flame went out fast every time. The results were important because it helps me understand the CO2 and O2 cycle better.
One possible source of error is not a tight enough seal. We did not save our pictures correctly. We did not have any cool pictures to use. We could learn how to save our pictures correctly. Understanding errors for a scientist is important because it helps them fix those errors.
This experiment was important for learning the CO2 and O2 cycle because it showed us how the CO2 killed the fire because the fire breathes in O2. It´s important for the real world because it show how not just humans need O2. We could test putting O2 and CO2 in water. I would choose this test because it shows us which gas is more dense. It´s significant to learn the CO2 and O2 cycle because it gives you respect for the wilderness.

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Trial 1. The first flame went out fast and the second one a little slower than the first.
Trial 2. This time the flames went out slower.
Trial 3. For some reason the flames went out a lot faster

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Trial 1. I saw that the CO2 stopped the flame fast.
Trial 2. The blue flame went out faster.
Trial 3. The flame was blue and small nut lasted a long time.

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1 Candle vs. 2 Candles in a glass jar (units=seconds)

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1. Instead of lighting just one you light two candles.
2. Then you put the jar over the two candles and make sure there is a seal on the glass and the clay.
3. Make an observation about the two flames.
4. Time the flame and record it on the data table.
5.Then remove the jar from the clay and the candle.
6.Carefully rinse the jar out.
7. Repeat the steps 1-6 two more times.
8. Then find the average of the trials by adding the three together and then divide by three.

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11. Repeat steps 6-10 two more times for a total of three trials for accuracy.
12. Find the average of the three trials:add all three numbers and divide by three. Recordon the data table.

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8. Time until the flame goes out. Record time in seconds in the data table.
9. Remove the jar from the candle.
10. Carefully rinse and dry the jar. Caution: use glassware safety.

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6. At the same time turn the jar upside down over the candle and start the stopwatch. When placing the jar over the candle press the jar into the clay to make a seal. This is the control.
7. Make observations about the flame. Record in observation section. Remember to use detail

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I have a personal experience with the Co2 and O2 cycle. The relationship I have with the CO2 cycle is that I breathe out CO2 which plants need to breathe. Then plants give off O2 which I need to breathe. That is the relationship I share with the CO2 and O2 cycle.

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If 1 candle or 2 candles are lit under a glass jar, then 2 candles will create a shorter flame time because the Co2 that comes from the flame will also kill the fire.

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The relationship fire, CO2 and O2 all have in common is they cancel or help each other out. First the relationship fire has with Co2 is that if the fire breathes in too much Co2 the fire will die out. Then fire has a relationship with O2 also the relationship they have is fire breathes in O2 to keep it going. Fire also gives off CO2 which can also kill the fire.

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My control is the part of my experiment is the 1 candle.

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The materials I will be using for my experiment are 3 tea light candles, matches and clay.

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Joseph Priestly is a really awesome guy that figured out the Co2 and O2 cycle. Joseph Priestly figured out the Co2 cycle and O2 cycle by putting a mouse and a plant in a jar he did a couple tests to see which mouse would last longer, the one in the jar with out a plant or the one in a jar with a plant. His conclusion was that the mouse without the plant suffocated after he lost air and the on with the plant survived longer. This test showed Joseph Priestly that the plant gave off CO2 and the mouse gave off O2.

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The variable I chose to do was 1 candle v.s 2 candles.

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If 1 candle or 2 candles are placed in a glass jar, how will CO2 affect the length of time the flame will burn.