Random lesson ( Science )

Have you ever thought about heavy objects dropped before the lighter one? I always think about that. However, you’re wrong. All of the objects will always drop the floor on the same time no matter how heavy it is. You can go and experience it now! Be mindful that, if you use the paper and leave, it might not accurate, because the wind might blow it. Use something that is strong than the wind. Example, pen Vs scissors, books Vs rock, wood Vs books. Saying this, make me think about motion. You know what? You need to use motion in order to drop and pick up those stuff using force.  A move you make is a motion. Raising up your hand, stepping forward, dropping objects. On the other hand, if you want to move stuff, you will need both motion to interact with force. The force are the pull or push that you applied over an object to be able to move it with your motion. Did you get it? If you don’t understand, feel free to comment!

Now let’s get into solution. Solution is formed by a mixture of two different substances.  The substance that dissolves is called the solute. The substance it dissolves in is called the solvent. For example, salty water is a solution in which the solute is salt and the solvent is water.

Acid and bases. Acid is An acid is an ionic compound that produces positive hydrogen ions (H+) when dissolved in water. Base is an ionic compound that produces negative ion when dissolved in water. We need to balance the acid and bases in our body, so we can be neutral. We don’t want to get too high acid or bases, because it can burn our stomach or poison our stomach. We can measure those two by using indicator, that will tell you the amount of acid or bases that are in your body through pH scale. The scale is from 0 – 14. The lower acid it is, the higher bases it is too. The high acid is 0. The high base is 14. Our stomach is good balanced at 7.3. However, our stomach can handle up to 2pH for acid. Lemon have the highest acid that we can handle. So, we probably don’t want to eat too much of them!! 

  • Sour things = acid
  • Bitter things = bases

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