“Cells are the building blocks of life”               

STEM is a subject that requires a lot of work in order to learn and know more about it. It is very challenging for me to learn science vocabulary. I use lots of my time to read more about the topic and find the meaning of the vocabulary that I don’t understand. Nowadays, I feel like I better catch up with all the work. RALPH WALDO EMERSON said, “LIFE IS A JOURNEY, NOT A DESTINATION”. This means that the process of learning is more important than the end goal. The best way to be a successful person to study hard. This term we are learning about Cell, which is the structure of every living organism. Cells are the building blocks of life. Cells have divided into two different types either prokaryotic cells, which lack a nucleus, or eukaryotic cells, which have a nucleus. But all cells must contain a cell membrane, cytoplasm, DNA, and ribosomes. As we learn, we are focusing on two different cells which are animal cell and plant cell. The difference between these two cells is because plant cell has a Cell wall, large vacuole and plastid compare to the animal cell don’t have. In conclusion, I enjoy learning about cells because it is interesting to learn and see it under the microscope. I’m excited to get to know more about these topics and it would be a very awesome thing if I could learn more deeply into it.

 

Newton’s Laws of Motion

For this last round, in STEM class we learn about Newton’s Laws of Motion. How many Newton’s Laws of motion. There are 3 different laws of motion. Newton’s first law said that an object’s motion will not change unless an unbalanced force acts on the object. And if the object is at rest, it will stay at rest. If the object is in motion, it will stay in motion and Newton’s second law is the relationships between these two factors and motion. And the last Newton’s law of motion which is Newton’s third law is that every action has an equal and opposite reaction it’s mean that forces always act in pairs. And the acceleration of an object equals the net force acting on the object divided by the object’s mass.

Motion

So now in Stem class, we learn about motion. What is motion? so motion can also be defined simply, as a change in position. In this lesson, we learn more about motion such as Distance, Direction, and a lot more. So  Distance is the length of the route between two points and Direction is just as important as a distance in describing motion. And also we learn about SI units too. SI units for distance is the meter but short distance may be measured by a centimeter and long distance may be measured by kilometer. 

 

 

Carbon Cycle

Carbon is cycled by combustions and animals, human, trees releasing and consuming carbon. There is one process that removes carbon dioxide from the air which is Photosynthesis. And there is more than one process that adds to the air such as Plants Respiration, Root Respiration, Animals Respiration, Dead Organism, Waste products and more. There are many human activities that disrupt the natural carbon cycle such as deforestation, transportation, farming, factory emission, burning trash and trees and using a plastic bag. To stop this human activity that disruption to the carbon cycle, we need to use the public bus, stop burning trash and trees, stop factory emission, start to stop using plastic and stop killing the animals. 

 

Chemical Bonding 

So now in stem class, we have learned about the Chemical Bonding. So chemical bond is a force of attractions between atoms and ion. In chemical bonding, they’re three type of that such as Ionic bonding, Covalent bonding, and metallic bonding. For example, Ionic bonding is the force of the attraction that holds together positive and negative. This picture below is showing the Ionic bonding.

Physical Science

Physical Science is the class that we study about Matter and energy including physic and chemistry. Our class we have one Website call CK12 that used to know more about our Topic. At this beginning of the year, we have studied about the matter and I don’t know what is matter but after I learn it I know it. So the matter is anything that has mass and volume. After we learn about the matter we also have learned about Atoms. A teacher has explained a lot about it like what is inside atoms. And we know a lot more about it. And I know that inside Atoms has Proton and Neutron and Electron. Proton has positive charge Neutron has no charge and Electron has a negative charge. Quark has to create Proton and Neutron and for Electron has created by Lepton. and there are six type of Quark and six type of Lepton.