Basic Science

Matter: Concept of Matter

len Alfred Ajibola - 07th February, 2019 @ 11:15 AM

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Academic Questions in Basic Science

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Which of the following statement is FALSE concerning mass and weight?

  • A. Mass is the amount of matter in a body

  • B. The element hydrogen has the smallest mass

  • C. You will weigh more on planet jupiter than earth

  • D. Weight is a function of gravity

  • E. Mass and Weight have different Standard International (S.I) Units

  • F. None of the above

Which of the following statement is FALSE concerning matter?

  • A. Anything considered as matter must either have mass or occupy space

  • B. Air is an example of matter

  • C. Plasma is a state of matter

  • D. Chemistry is considered as the study of matter and the changes they undergo

  • E. Vacuum is a space completely void of matter

  • F. Matter will always take up space no matter how small or invincible it is to the eyes

Which of the following is NOT matter?

  • A. Atom

  • B. Molecule

  • C. Ion

  • D. Bacterium

  • E. Virus

  • F. None of the above

The ultimate source of energy is _____.

  1. Plant
  2. Sun
  3. Food
  4. Water
  5. Air
  6. Earth

The speed of wind is measured with a wind vane.

TRUE or FALSE

The nutrient majorly found in the liver is _____.

  • A. Carbohydrate
  • B. Starch
  • C. Protein
  • D. Fats
  • E. Oil
  • F. Lipids

A body at rest possess _____ energy.

  • A. Kinetic
  • B. Potential
  • C. Mechanical
  • D. Chemical

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Concept of Matter:

Having a good understanding of matter will aid you to better understand Chemistry and Physics.

Matter is defined as anything that has mass and occupy space.

From the above definition, we can conclude that matter has two main attributes, qualities or characteristics. These are:

1. Mass

Mass is the amount of matter you have or anything has. You may consider it to be the entire composition of anything. For instance, everything you are composed of (from the top of your hair to your toe nails, including all your internal organs) will account for your mass. For this reason, your mass would be significantly different from that of a newly born child.

Note: To accurately account for the mass of humans, we will have to wear nothing on our body. This is so because our clothes, shoes and accessories will add to our mass since each of these is considered as a separate "matter". (That is, each has its own mass and occupies space).

Mass is not the same thing as weight.

Please read on Mass versus Weight here.

Note: You can also think of mass as the total composition of anything, both within (inside) and without (outside).

Using a cup of rice for instance, its ideal mass will attributed to all its entire composition; both within (rice) and without (cup).

Please read on Molecular Mass and its Calculations here.


2. Space

Matter will always take up space no matter how small it is. This is true because some instances of matter can be microscopic (only be seen with the aid of a microscope). Viruses, bacteria and protists are examples of microscopic matter in this case.

Please read on Protists and their Characteristics here.

Regardless how small a thing is (to the human eyes), they will still (always) occupy space. This is why the atmosphere is never empty; rather it's always filled with gases, bacteria, pathogens and other tiny particles.

Please read on the Composition and Functions of the Atmosphere here.

According to scientific research, there are approximately 100 billion bacteria on the human body. Although we can't even see any of these, they still take up (occupy) spaces on our skin.

Please read on some Amazing Facts in Biology here.

Note: A space completely void of matter is referred to as a vacuum. Vacuum environment do not exist naturally, rather they are prepared for medical and scientific reasons.


The point is:

Matter is everything around you, both the things you can see and those you can't see with your eyes. In fact, you are matter yourself. No matter how small a thing can be (even if they are microscopic and can't be seen with the naked eyes), they will still always have mass and occupy space.

Matter exists in four states. They are:

  1. Solid
    Please read on Solid State of Matter here.
  2. Liquid
    Please read on Liquid State of Matter here.
  3. Gases
    Please read on Gaseous State of Matter here.
  4. Plasma

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Alfred Ajibola is a Medical Biochemist, a passionate Academician with over 7 years of experience, a Versatile Writer, a Web Developer, a Cisco Certified Network Associate and a Cisco CyberOps Associate.


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Amazing facts in Basic Science

Chewing aspirin during a heart attack may be a life saver. This is true because the drug inhibits platelets from forming a clot that can block an artery of the heart, thus stopping a heart attack

The kneecaps of newly born babies are not made of bone. Rather, they are little bits of cartilage which ossifies (turns from cartilages to bone) from age 2 to 6

Ice cubes made with fresh water are white in color while those made with boiled water are crystal clear

🐈 Cats 🐈 are unable to taste sweet things

🍎 Apples 🍎 actually float on water. Other fruits that float on water include 🍋 lemons, 🍌 bananas, 🍐 pears, and 🍊 oranges

Rain water contains vitamin B12.

Vitamin B12 is an important nutrient that keeps the blood cells and neurones healthy. It also assist in building the DNA (a genetic material present in the cell's nucleus). Vitamin B12 also aid in the prevention of megaloblastic anemia which makes people weak and tired

Rasceta is the name given to the lines on your ✋ palm ✋

Goats have rectangular pupils in their eyes.

Think of the pupil as a hole located in the centre of the iris within of the eye.

Note: To get an idea of an iris; 'when one is said to have blue eyes', it's because the iris is blue

Among all land animals, 🐘 Elephants 🐘 have the longest gestation period.

They stay pregnant for 22 months before giving birth to their young

🦘 Kangaroos 🦘 can't walk backwards


NOTABLE POINTS IN Basic Science

Disaccharides are composed of two monosaccharides joined together; thus are also referred to as double sugars.

Disaccharides are often added as sweeteners to food; for instance, the table sugar called sucrose is a disaccharide often used by us to sweeten our tea.

Maltose is another disaccharide used as an ingredient for making malt drinks, chocolates and candies.

The breast milk contains the disaccharide Lactose.

Lactose is very vital for the normal growth and development of infants.

In adults, disaccharides are non essential nutrients. This implies that we can live without them as adults.

Below is a summary of monosaccharides that make up disaccharides (double sugars).

  • Maltose = Glucose + Glucose

  • Lactose = Glucose + Galactose

  • Sucrose = Glucose + Fructose

Other examples of disaccharides include trehalulose and isomaltulose

Polysaccharides are complex sugars. These are what we often eat whenever we eat carbohydrates.

We have four types of polysaccharides namely:

  1. Starch
  2. Glycogen
  3. Chitin
  4. Cellulose

 

  • Starchy foods include rice, cassava and yam.

  • Glycogen is stored in the human liver; as a result of the joining of many glucose molecules.

  • Chitin is a major component of insect and anthropod's skeleton.

  • Cellulose is a major component of a plant's cell wall. They cannot be digested when eaten by humans; hence they function as roughages.

Roughages are not classified as one the classes of food in humans. This is due to the fact that they aren't digested. They will rather facilitate the movement of bowels in the large intestine (colon); and for this reason, they can be very useful in treating constipation.

Please read more on carbohydrates here

The uniqueness of man can be defined as that which makes man distinct from every other animal and living organism.

Humans are higher animals when compared to other animals.

Under the classification of living organisms, humans belong to an order termed primates and thus share the same characteristics (as primates). In addition to these features, they also have their unique characteristics.

Please read on man's uniqueness here

The eyebrow is an area of dense, delicate hair just above the eye.

Eyebrows perform two main functions:

  1. Protects our eyes against sweat, rain, dirt and other atmospheric contaminants.
  2. It helps us express our emotions.

Eye Brow - Len Academy

Eyebrow modified in the form of Nike logo.

Note: Eyebrows can also be modified to enhance beauty.

All fruits have seeds.

There is nothing like a naturally occurring seedless fruit. Even banana, coconut and pineapple have all got seeds.