Chemical Reactions

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This lab we did was a synthesis reaction.

Part A: In the wool when we put it over the flame it burned and changed in the color. The equation is 4Fe+2O2 -> 2 Fe2o3.



Part B: In the baking soda when we put it over the flame nothing happened to it until it heated up and starting to make marks to burn. The equation is NaHCO3 ->2O+CO2+NaOH and its a decomposition. Then with the splint it goes right out to the top.



Part C: The nail in the chemical but the nail changed color and turned into copper. The equation is Fe+ CuSO4 ->Cu+ FeSO4 is a single displacement.

Periodic Trends

In class we have been studying the periodic table and trends. The group is the vertical columns in the periodic table. The periods are the horizontal lines. The periodic table is organized by the atomic number. The electron affinity is how much the energy is released. The an electron is added on to the neutral and negative atom. The ionization energy is how much of the energy has been removed. It will be removed from the negative atom. The electronegativity is that it decreases as the atomic number gets bigger. It also increases the distance between the valence and nucleus.














My Trend:

Flame Lab

Some metal ions can be identified by the color of their flame during the test. Different elements placed into a flame will turn the flame different colors. What metals do colors indicated?
Color:   Chemical Formula:  Name of Metal:
Purple- Kno3- K-Pattasium
Orange- COCl3- C-Colbalt
Red- Sr (no3)- S- Stratium
Green- Culc2- C-Copper
Yellow- Ba- B-Barium
Redish Yellow- LiNO3- Li- Kithium
Yellow Green- MgCl- Mg- Magnesium
1. What we were testing and the color that is produced.
2. It was not that hard.
3. They were all valiod.
4. The colors were purple, orange, red, green, tellow, redish yellow, and yellow green
5. K, C, and Li
6. What were are testing.

https://www.google.com/search?q=flame+flare&tbm=isch&tbo=u&source=univ&sa=X&ei=jWpqUqiUNNTOkQeh64HgAQ&ved=0CEQQsAQ&biw=1366&bih=667#q=bunsen+burner&tbm=isch&facrc=_&imgdii=_&imgrc=SKPSc8m-3nmMFM%3A%3BVwVej_8TtspBUM%

Law of Conservation of Mass Lab

We did a lab on Law of Conservation of Mass. The evidence we got from the chemical change is the color changed and it thickened. The last thing is that the gas produced. These were the observations we got when we were doing the lab. The matter can not be created or destroyed. This happens in a chemical reaction then changes its form. The substances can be two substances racted to two new substances produced called reactants. Produce   Products

              ----------

             Yeilds          

Refection on Article and Video

The Universe formed from the stars and elements that are exploding. All of the elements combining together. They didn't  have any life on it unless the universe was created. We wouldn't be living right now. How would we know if we didn't love if we weren't here today.
The things I liked from yhe video and the article was how the universe was made. The one thing was how theatars exploded and it made it instaly the universe. The other thing is how we wouldn't have any life right now. The elements would help us create it  when the stars exploded.  The video and article were intersting to me.

Scientific Observations- Skill Lab 1

Students looked did the lab to see what will happen.

Data:

1. 21 Degree Celsius
2. Blue Crystals
3. Green Crystals
4. Dissolving
5. Bottom warmer and the top is cooler on the outside of the beaker
6. 20 Degree Celsius
7. Fern Blue
8.The foil will make it hotter
9. 21 Degree Celsius
10. The Aluminum  melted
11. Color of water is red
12. Water is coming out clear from the filter
13.Bubbing in the flame hood
14. Color if the test tube is yellow from the fan
15.Warm
16.Warmer than before

Questions:

1. The water turned blue because of the Copper Chloride.
2. The solutions dissolved.
3.The foil melted because of the heat.
4. It made it rise when the foil left overs where in it.
5. It was blue at the end because all the solutions.

Oreo Cookie Lab

Students measured the filling in three types of Oreo Cookies to determine if filling amounts matched the advertising. The independent variable is three types of Oreos.

 Hypothesis: Mega stuff has less stuffing than the double stuff.

Method:
1. We peeled off the middle part
2. Measured the mass from the mega, double and single stuff
3. Then we used the triple beam balance to measure the mass 4. We recorded the data that we got from the triple bean balance


Data Table:  
                             Elements   Planets  Cars        Disney   Presidents   Ratio (cars)
Original:              3.27 g       4.35 g      3.129 g    11.1 g     2.85 g        1 : 1
Double Stuff        6.17 g        6.3 g      6.480 g   11.3 g      6.33 g          2.07 : 1
Mega Stuff:          8.96 g       9.04 g     9.35 g     17.7 g      8.90 g       2.99  :  1

Conclusion: The mega stuff ended up weighing more.

http://fatguyfoodblog.blogspot.com/2013/03/mega-stuf-oreos.html

Week 1:

I have gained information on what I did not know this week. In the Bowling ball lab we measured the circumference, the radius, the volume, mass and density of the red, green and orange bowling balls. We gained information of what we didn’t know if they would sink or float. We worked as a class to see if they would sink or float. All of the bowling balls did different things from floating to sinking.

In the gummy bear lab we worked in partners for this experiment. We had to see what color it was, the length, height, width, mass, volume, and the density. We gained skills and practice on density and the other things we were studying this week. It was a fun experiment and it was fun to get practice. I would recommend this experiment and I learned new information.

Why Study Science?

Why I took this course?

I have to take it to be able to graduate. The teacher is kind. I want to learn more about the topics that we will learn.  I will know more than what I know about science. To gain information that I didn't know anything about.