Big nose balloon

This week in chemistry my mini project was sticking a toothpick into a balloon without having the balloon pop.

The trick was to:

1.Use the very pointy side of a very pointy toothpick.
2.Then spread a lot of lubricant on the balloon's center and the toothpick.
3.The lubricant is spread on the balloon's center top because it is the thickness.
4.Then proceed to then sick the toothpick in the subjected area.
5.This experiment was great and very fun to do. A mini project I wont forget.

Science: I was able to stick a toothpick in a balloon without having the balloon pop because of air pressure. Air density builds to whatever level balances the force of gravity, because at this point gravity isn't strong enough to pull down a greater number of particles.

Play Flour

With a mix of brilliant mixtures I made Play-Dough.

Heres the trick:

1.First of all put a solution on the a hot plate.
2.Put the flour down on it.
3.Heat this flour and mix it by stirring this flour.
4.Drop in some food coloring to add an effect for color.
5.Keep Mixing until dough is ready and heated.
6.Turn of the burners and let it set. Soon you will have Play-Dough.

Science: The chemicals mixed form a compound. The compound is essentially a starch-based binder mixed with water, salt, lubricant and preservative. To be more specific, it contains:

1.Water
2.Starch-based binder
3.Retrogradation inhibitor
4.Salt
5.Lubricant
6.Surfactant
7.Preservative
8.Hardener
9.Humectant
10Fragrance
11.Color

Each of these ingredients has an effect on the compound's texture, fragrance and appearance. One of the major contributors to the softness and texture of Play-Doh compound is the interaction between its two primary ingredients - starch-based binder and water. To understand how the dough works, you have to know a little about starch and what happens when it comes into contact with water.Starches are polysaccharides, or strings of sugar molecules.

No gravity

Today I help a cup of water upside down while keeping the water in by placing a piece of paper under the opening of the cup. Isn't that great!!

Here are the tricks:

1.Fill the cup up with water half way.
2.Get a thick piece on paper.
3.In one quick movement flip the cup to the paper side so that the cup is covered by the paper.
4.Then maintain holding the cup upside down with the paper under to keep the air pressure so there will be no leakage.

Science: Amospheric pressure is the force per unit area exerted against a surface by the weight of air above that surface in the Earth's atmosphere. In most circumstances atmospheric pressure is closely approximated by the hydrostatic pressure caused by the weight of air above the measurement point. Low pressure areas have less atmospheric mass above their location, whereas high pressure areas have more atmospheric mass above their location. Similarly, as elevation increases there is less overlying atmospheric mass, so that pressure decreases with increasing elevation.




Photo credit by Mo Allezeh

Lewis Dot Structure

The Lewis Dot structure was named after the scientist Gilbert L. Lewis. The Lewis Dot Structure is basically a diagrams that show the bonding between atoms of a molecule, and the lone pairs of electrons that may exist in the molecule. They are similar to electron dot diagrams in that the valence electrons in lone pairs are represented as dots, but they also contain lines to represent shared pairs in a chemical bonds the structure has single, double, triple etc... bonds. A Lewis structure can be drawn for any covalently bonded molecule, as well as coordination compounds. There are many rules in The Lewis Dot Structure for example is hydrogen (H), which has only a single valence electron and tends to react to attain either 0 or 2 valence electrons. When H has two electrons in its valence shell, it could be said to obey a "duet rule", and achieves a valence shell electron configuration equivalent to helium (He). Also The total number of electrons represented in a Lewis structure is equal to the sum of the numbers of valence electrons on each individual atom. Non-valence electrons are not represented in Lewis structures. Next is placing the lone pairs once the total number of available electrons has been determined, electrons must be placed into the structure. They should be placed initially as lone pairs. one pair of dots for each pair of electrons available. Lone pairs are most likely placed on the outside. The Lewis Dot Structure placing depends on the atom. More bonds the atom has it will be placed more towards the middle in the drawing.

Hint: H(Hydrogen) O(oxygen) N(Nitrogen) C(Carbon)
1 2 3 4........................ These are the number of bonds


Watch Video: Lewis Dot Structure

Field Trip

This trip was great time a day to get away from school and relax in nature. I was just surrounded by people ans trees and plants. The best part was hanging out my friends and talk about we like. I'm really not a nature person so the trip was alright. We ate, took pictures, and walked basically so yea...




View Mills HIgh Trip in a larger map

Mini Prtoject

MINI PROJECT= BEND GLASS W/ FIRE
you will need:
1.goggles, safety first
2.bunsen burner
3.piece of thick or thin glass
4. gas outlet
5. thongs to hold heated glass
6.broom and dustpan to clean broken glass
7. remember to always be safe
Bending the Glass TubeTo bend a piece of glass tube you should have a fish tail jet set in the end of the Bunsen burner to give a wide flame like an illuminating burner. Hold the tube over the flame of the burner, or alcohol lamp until it is heated red hot all along the place you want to bend it. It gets hot enough in which it is not hot enough to liquify bu too hot to stay solid so be safe and have fun.

Photo credit to Mo Alize hahahaha!

IPurposeWe Preparation of Soap

Links:
Preparation Of Soap

Dove

Materials: Water-cooled condenser, 100ml flask, burner, Buchner funnel,ring stand, clamp, boiling ,400ml beaker, margarine, NaOH, ethanol, table salt













procedure:
1. Set up a reflux apparatus as shown.
2. Place 10g of oil in the flask and add to it a solution of 10g of NaOH in a 35ml of mixture having equal volumes of ethanol and
water.
3. Add several boiling chips and Connect the flask to the condenser and gently reflux the mixture over a small flame.
4. Saponification is complete when you obtain a homogeneous solution. (in 30-45 minutes)
5. While the saponification is in progress, prepare a concentrated salt solution by dissolving 50g of NaCl in a 150ml of water in a
400ml beaker.
6. When saponification is complete, extinguish the flame and pour the mixture quickly into the saturated salt solution.
7. Stir the mixture thoroughly for several minutes.













Safety Precuations:

• Wear goggles.



• No loose clothings.



• Watch out for Boiling Chips.

Scientific Principles:

1. Homogenous mixture.
   


2. Chemical reaction.

Spring Break

We had spring break and it was great. The break gave me time to catch up with myself and relax. I don't really like to go to school its so repetetive. I played basketball, hangout, and sleep. Now that i am back at school i miss break can't wait till summer.

David Webb

David Webb and his wife came to our clas on block day to teach about vacuums and about amostphere presseure. He did amazing things for example he made a big marshmellow by putting in this machine and blocking allthe atmostphere pressure out. Also he blew a little air in the baloon and puit in the same machine and tunred it on and the became bigger. then when he took it out it deflated. Lastly David Webb is a really nice guy.

March Madness

This post is exactly what the title is about. It's about colloege basketball. My favorite in college basketbal is Rutgers bit they didn't make the tournament. But i still got to have someone to root for and that is Kentucky because of John Wall who is one of the top prospects in the NCAA.So far almost every game in the tournament have been close and some have been decided by buzzer beaters. So i'm really looking for the final game and hope that Kentucky is in the game and win the national championship.

P to the ERMIT

Guess who got his permit. . . me. Yesterday I went to the DMV and took my permits test and got my permit i only got six wrong. The teast was really easy and before all this i took an online course. The online course took me a good five hours. In six months i am be going to be driving. That's if I pass my Behind the Wheel test which there is no doubt i am. Because i practice a lot with my dad. So watch out i am going to be in the streets!!!!!!!!!!!!!!!!!!

Can Crusher

In chemistry we empty aluminum cans and we filled them up with little water and put on this stove majigger and the let the can boil till the steam was coming out. Out of nowhere this object that look like a worm show up on the water where we are suppose to cool the can and we started to burn it. As i was saying the can was put into cool water after the steam came out and the can just crushed it was amazing. The reason this happened was because the molecules from the outside crushed the can.

Elephant toothpaste

Today in chemistry we took time off at the end of the class to test the elephant toothpaste by mixing hydroxide with water. It was pretty cool it look like nothing was happening then in a few seconds. Then out of nowhere the elephant toothpaste just started to erupt like volcano. We repeated it again and the outcome was the same.

Protein

this week i got a protein shake to get big for footaball. I got it from GNC at Tanforan mall but you got to stretch four times a day and workout everday. The good thing about this product is that it is a steroid and also it doesn't create kriyotine. Also it is a pretty godd flavor which is cookies-n-creme. The best thing to mix the powder is with milk.

Acid and Bases

In this lab i learned about that when you but bases or acids in the liquid they turn different colores for example when you put bases into red cabbage turns green. I also learned a new saying which help indicate acids and bases. The sayin goes like this ' Base to Acid is red' so the opposite which is acid to base is blue.

2/9

yesterday, i found out that i had a sinus infection. i hope this sinus infection goes away because my head hurted really really bad. In this week i went home everyday because of my headache. i hope this headache gets really better.

like diisolves like

like dissolves like is an expression used by chemists to remember how some solvents works. It refers to polar and nonpolar solvents and solutes. Basic example, Water is polar. Oil is non polar. Water will not dissolve oil. Water is polar. Salt is polar. Like dissolves like so polar dissolves polar so water dissolves salt.

finals week

Very stressed for finals. got to study hard. trying to keep straight A's . . . Just Kidding about all A's but have to get atleast a 3.0 GPA. so can't blog much. Plus I have a more difficult time then other kids because I take seven classes and most kids only take six so there is more pressure on me and definately more stress. Really have to study my Chemistry class because thats the worst grade I have and it's goin to take more time for me to understand.