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Tuesday, May 17, 2011

marble motion

Guiding Question: Does the mass of a marble affect the way it moves?

Hypothesis: Yes, it does; i think the heavier the marble or item the harder it will be to put in motion.



Materials:

  • Straw
  • Tennis ball
  • Small Marble
  • Big marble
  • Golf ball
  • Large Styrofoam ball
  • Notebook
  • Desk
  • Pencil



Procedure:

  • Get a straw
  • choose a item
  • Choose a partner to run the test
  • Blow
  • Draw a diagram of the directions and length the item rolled
  • Include in the diagram how hard you blew or just write it

Data Analysis :

From my data you can conclude that the mass of a item does affect the way it moves. The way you blow through the straw does affect the direction the item moves. The largeness doesn't matter because a item can be huge but as light as a fly. Such as the Styrofoam ball it was much bigger than the large marble but was light because it was made of Styrofoam.


Conclusion:

At the start of my blog i had a guiding question which is  " Does the mass of a marble affect the way it moves?" My hypothesis was "Yes, it does; i think the heavier the marble or item the harder it will be to put in motion." Do i think my hypothesis is correct? Yes, as a matter of fact i do. Everything turned out the way i thought it would. The heavier the marble was the harder it was to move. Another thing i had noticed was that the harder i blew the more control i had. When i blew hard the ball would go straight depending where i placed the straw but also because i blew hard the breath would last longer but when the air stopped putting the ball in motion the ball would row left.





Wednesday, May 11, 2011

Measurment lab

Guiding question: What is the importance of having an International measuring system? How accurate are old measurement using body parts?

Hypothesis: I think it is important having a international measuring system because not everybody has a ruler of some sort and you always know that you have a measuring type with you at hand or at foot.


Materials:
  • Ruler/ Measuring tape
  • Science book
  • White board
  • Lab table
  • Hallway
  • Peep
  • Crayon Box
  • Obren/my partner
  • Pace: 1 meter - 1 yard
  • Fathom: 6 feet-180
  • English yard: 1 yard- 90 cm
  •  Span: 9"- 20 cm
  • Finger nail: 1/2 inch - 1 cm
  • Palm: 8 cm - 3 inch
  • Egyptian cubit: 40 cm- 18"


Procedure:

1. Make a data table in your notebook with 7 columns and 7 rows.
2.  Choose one of the six objects or distances you will measure.
3.  Determine what form of measurement you will make with the first object. (For example: Length  of  the 6th grade hallway with paces, book with palm or hand, fingernail for crayon box, etc…)
Measure it with the determined form of measurement 3 times, and then find the average.
Measure it with the meter stick/or measuring tape and find the actual measurement.
(IMPORTANT!!!!! BE SURE THAT THE UNITS OF MEASUREMENT STAY THE SAME, either inches
or centimeters or yards or feet or meters and the average needs to be in the same units)
Repeat the same for each of the five objects that are left and measure it with a different type of
measurement, 3 times, find the average and again the actual measurement.
Compare class data results. Find the average of these results.

Record and Analyze :






From my analysis i can see that the measurements that we made with the "Body Part Measurement" are actually very accurate to the actual measurement with a real ruler. On the last 1 you cant really see but the measurement was done with a finger nail and was 9 finger nails long and the actual measurement was in fact 9 inches which is exactly the same to the finger nail( each nail is worth 9 inches)


Conclusion: 
  In conclusion the english forms of measurement are very useful and accurate compared to the measuring tape and ruler. The importance of having a international measuring system is that you can always have a accurate "ruler at hand" or at arm or foot. Not all people have rulers or measuring tapes with them or don't have access but these people might have to measure something so they can have a pretty memorable and accurate measuring system. My hypothesis is very similar to my conclusion now, if you recall it was "I think it is important having a international measuring system because not everybody has a ruler of some sort and you always know that you have a measuring type with you at hand or at foot". To me i think the most accurate type of measurement was the finger nail and the easiest object was the crayon box. The reason why is because in our graphing, a lot of the objects were un even. For example a white board is 6 feet and 1/3 while the crayon box is simply 9 inches. The finger nail measurement was the most accurate, it was the only one that had the exact number to the actual. Also usually finger nails are the same size while on the other hand arms can be all sorts of sizes.


Further Inquiry:

My partner and i made no serious mistakes at all. Our only thing that we could have done better from my perspective was make the graphs a bit neater. This is the only thing i think needs improving.






Thursday, April 21, 2011

Forces and Motion

I know a little about forces and motion. I know that gravity is the force that keeps our feet on the ground. I also know that motion is what we do when we walk we are in motion.


I want to learn everything about forces and motion. For example if we are hanging is gravity a force that makes us feel so heavy? I want to learn all the technical stuff the interesting and extreme things.

The way i want to learn is by learning in a fun way, in a way that i know mrs. will do. I want to learn by doing field trips, by doing experiments, by doing projects. No reflections, i am positive that if the unit is fun people will tell others and obviously reflect out loud to other people.





Tuesday, April 19, 2011

 




                                                                     Minerals reflection
Rock are valuable because they contain minerals. Every rock has a different type of mineral, so they have different values. Rocks are not only valuable because they have minerals, but because they are used for things that we need. Such as our buildings and the asphalt that we drive on.

I think it fits because Minerals are part of the environment and Minerals are mined which effects the environment.  We are surrounded with minerals, in our cars, in our cereal, in our computers, you get it.

I think that i understood almost everything about minerals, of course there is a lot more to learn. Some of the activities that we had to do that i remember was Making a ad about a mineral(i chose dolomite) and conversing in groups about oceans minerals. In these activities i was co-opperative and i made what i had to say clear.

I didn't learn any new skills, but i definitely know more about minerals than i ever did. I had no idea that you had togo through steps to be able to identify minerals and i was clue less about minerals properties and many more. For skills i guess i learn't better research sills and animating skills.

I found the fact that rocks include 2 minerals inside very interesting. Finding this fact i came up with a question. "Do all rocks have minerals" if they do will i be able to crack a rock in half and find a minerals? Out of all the properties a mineral need to have to be a mineral i think the luster was the coolest property.

My favorite part was doing the animation. Because i love making cool animations and it reminded me of 5th grade. My least favorite part was................nothing really i loved all of this unit.

For this unit to tell you the gods honest truth i wouldn't change anything about this unit.

Monday, April 18, 2011


          SCIENCE
  • Magnesium, salt, copper, nickel, titanium, tin and iron ore.
  • They are used to make crude oil and very rare.
  • The countries closest to the oceans and the countries that have the biggest needs. The countries closest to the minerals should export them to countries in need if those countries are far away from the ocean.
  • That in mining in the ocean they use oil and so they pollute the ocean and kill marine life. Also when fish get diseases they might be caught by people and then eaten, so the diseases might get on land.
  • Mostly the neighbouring countries of the ocean
  • They have the rights to mine in the ocean but only with permission of the leaders.
  • Elena does because we need them for a daily life. Stefan does because we need them and are beautiful. Sofia does not agree because we are polluting the ocean and can get some of the minerals not out of the ocean. `Sofia believes that just because there are places in the world that are not polluted doesn't mean we have to pollute them.



We think that people should use less pollutable materials when extracting minerals from the ocean. Try to cover up the holes they dug and be a lot more careful when extracting the minerals.



In this discussion our group asked questions and tried to answer them, in our own opinion. I think that our group worked great! we had assigned our position within seconds got right down to work. I have nothing to complain about this time. I think doing individually wouldn't be a problem at all with finishing the work but we wouldn't be able to discuss. So we wouldn't have different opinions.

Sunday, April 17, 2011

Minerals in My Country

Petroleum is Argentina's most valued mineral resource. Oil fields that are found in Patagonia and the Piedmont, produce a fare amount of  the country's oil needs.  These fields also hold natural gas.  Petroleum also contributes to providing electric power.  (www.wikipedia.com)
A network of pipelines send new product to Bahia Blanca, center of the petrochemical industry, and to the La Planta-Buenos Aires-Rosario industrial belt. The exports of petroleum are about 10% of the exports. One of the most well known companies in argentina in charge of extracting petroleum is YPF(Yacimientos Petrolíferos Fiscales).  This company was founded in 1922. Argentina in many ways depends on their minerals that are found. Many minerals such as petroleum do bring in lots of money for he economy.




All Information found in www. wikipedia. com