Solid Minerals in Nigeria
This lesson covers the types of solid minerals found in Nigeria, their locations, and their uses. Students will learn about specific minerals such as limestone and their importance to the economy. A map of Nigeria showing the distribution of these minerals will also be drawn.
- 01:40 “In the course of this lesson, you get to find out more. Minerals can exist as solid or non-solid or they can exist as a combination of solid and non-solid. All rocks are made up of minerals. You can find minerals in all...”
- 03:23 “There are about 34 mineral resources in Nigeria and they include gold, zinc, diamond, limestone, zinc, copper, ETC. The study of minerals is called "mineralogy". Why do those that study mineralogy is called "mineralogist...”
- 15:03 “the vegetation is going to kill some of the plants, it's going to be responsible for some of the animal behavioural pattern. Crystallistic of solid minerals. Diamonds. Diamonds is hard with natural state and it is a lot...”
Solid Minerals in Nigeria
This lesson covers the types of solid minerals found in Nigeria and their locations. It also discusses the importance and uses of these minerals, along with how to draw a map showing their distribution across the country.
- 02:29 “to form products which are useful to man. There are about 34 mineral resources found in Nigeria and which includes column bites, gold, zinc, diamond, limestone, tin, copper, etc. Scientific study of minerals is called mi...”
- 01:37 “minerals of a particular metal from which it can be profitable mind is called the ore of that metal, e.g. iron ore, copper ore, etc. Solid minerals. Solid minerals have been found deposited in some parts of Nigeria and i...”
- 00:49 “distribution of those solid minerals and where they are deposited. Solid minerals. We're talking about solid minerals that are gotten from non-living things. So solid minerals and natural occurring chemical elements or c...”
Oxides of Carbon
This lesson covers the two types of carbon oxides: carbon monoxide and carbon dioxide. It explains their formation, characteristics, and methods of preparation in the laboratory. The lesson also defines the term allotrope and discusses the economic importance of these oxides.
- 35:26 “so you'll find out that for me, they then also measure three metals, basically that are very soluble in water, in the form of the hydro-t transocarbonyl. Thanks for watching, my name is Charles Christopher, till next tim...”
- 16:16 “as it's consumed by plants. You know, plants consume them in. It's just like we breathe in oxygen, and breathe out the carbon dioxide. Then, the carbon dioxide would breathe out is what plant consumes also, all right? Ju...”
- 21:43 “So, now, here we have this. You see, this is a metal here, magnesium metal. They react with this to give us this one, and also this. So, we actually reduce this carbon to this. That's what you are seeing here, okay? So,...”
Metals and their compounds
This lesson covers the characteristics of metals, including their ability to lose electrons and form positive ions. It discusses the classification of metals, their physical properties, and examples of common metals such as sodium, magnesium, and aluminum. The lesson also includes information on the
- 00:00 “Hello everyone. I'm Mrs. Olabimpe Ayoko. I'm here to teach SS 3 chemistry and the topic is Metals and its compounds. So at the end of this lesson, everybody is expected to be able to define Metals with examples. The frie...”
- 04:56 “conductors of heat and electricity. Because they have three pi electrons that can always slide over each other. Why no Metas are bad conductors of heat and electricity? Though they have the disadvantages and disadvantage...”
- 12:16 “allow that they are good electrolytes because you can use them for electrolysis. Whereas chlorides of nonmetas are non electrolytes. They cannot be broken down. Remember, it's the ions that conduct electricity. So covale...”
Carbon and its Allotropes
The lesson covers the characteristics of carbon as an element and its various forms, known as allotropes. It explains the presence of carbon in nature, its compounds, and the two types of carbon oxides. The importance of carbon in living systems and its economic significance is also discussed.
- 10:51 “Bolly point, very high melting point, as I said that. Okay, now look at uses of damod. Now, the unusual brilliant shine, all right? Of damod makes it an invaluable precious of stone. In jewelry, making jewelry, all the j...”
- 21:57 “To antracite, for example, is used for preparing graphite for the manufacture of citratical petrol by catalytic adrogenation of co-que, so that is how antracite co-que can be obtained, all right? So, now, for the wood, y...”
- 15:32 “electroplating can be done easily. So for manufacturing, light pencils and stove paints, as you can see, there is just a picture showing, you know, an example of that, okay? In particular graphite type, you can use for m...”
Properties of Oxygen and Hydrogen
This lesson covers the properties, preparation, and tests of oxygen and hydrogen gases. It explains the role of these gases in the environment and their reactions with other elements. The lesson also includes information on the physical states of oxygen.
- 16:16 “This mix together, you get the salt and hydrogen gas, which becomes zinc chloride and hydrogen. When this is decomposed, you get zinc chloride and you also get hydrogen. And as a result, hydrogen is being stored in this...”
- 02:23 “Oxygen forms compounds by reacting with practically any other element. So oxygen can be had with hydrogen and it is going to give you water. So oxygen can react with any element. So oxygen in its normal state from the pi...”
- 15:26 “is as a result of hydrogen. Adding the hydrochloric acid to zinc in a test tube funnel, hydrogen gas will be automatically collected using delivery tube with a downward displacement of water. hydrogen and testing for hyd...”
Factors of Production
The lesson covers the concept of production and its types. It explains the factors of production, division of labor, and specialization. The advantages and disadvantages of division of labor and large scale production are also discussed.
- 06:30 “everybody has a price at the tick at the end. And so the reward for each of the, each of these factors of production have their own rewards for their contribution to the production process. And as we treat each of them,...”
- 08:58 “extracted, then those ones are moved by a body location of land itself or the source of land is fixed. Also the supply is fixed. So we have all we have is what we have. We do not have more. So that's why we have to be ve...”
- 08:08 “then we generate value, which can now be exchanged. And that is how when we now exchange that value, and we get value for it or money for it, then that is how we make use of the land resources. Just being there is not en...”
Karst Topography
This lesson covers the characteristics of karst regions, including their formation and features. Students will learn about limestone as a sedimentary rock, the effects of rainwater on limestone, and the typical vegetation and drainage patterns found in karst areas.
- 01:33 “They are derived from accumulation of purers and shells. If you get to the sea, the sea site, you're good to see shells or the mamas that died, their bones and everything. That is where we get this. And then when magnesi...”
- 17:12 “like I mentioned to you earlier. You will write short notes on dolomites, on chalk, on resurgence and their solubility. Thanks for watching. My name is Kanu, and you. [MUSIC PLAYING]”
- 13:14 “It's formed by the joining of stalagmites hanging from the roof of the cave. And they stalagmite growing from the floor of the cave. St stalactite coming down, stalagmite growing, then they join. Then you're going to hav...”
Water and Its Properties
This lesson covers the composition of water, including its chemical formula H2O. It explains the physical properties of water, such as its states (solid, liquid, gas), boiling and melting points, and its ability to dissolve various substances. The lesson also discusses the importance of water in liv
- 00:10 “Good day, everyone! My name is Mr. Ife and I'm your basic science instructor. Our lesson today is "Says, Water, and Rustam". A quick round through the objectives. At the end of the class, students should be able to expla...”
- 08:13 “And when the water mixes with this component, it becomes add water. And that water gets into your well and you use the pumpy machine to bring it into the tank. And sometimes it is not always drinkable. And you need to wo...”
- 11:33 “since calcium and magnesium exists as non-volatile salts, they can be removed by distilling the water. Now, distillation is too expensive in most cases. So, you would rather use a domestic method. Now, rain water is soft...”
Structure of the Nigerian Economy
This lesson covers the nature and structure of the Nigerian economy. It explains the primary, secondary, and tertiary sectors and their contributions to the economy. The lesson also discusses the economic activities in different geopolitical zones of Nigeria.
- 15:23 “The main economic activities in this zone are fishing and farming, that is, majority of the inhabitants of this zone are into fishing and farming activities. Some inhabitants also engage in mat-making, hunting, weaving,...”
- 17:59 “Agro-state, and Ebony State. This zone is known for the business mindset of its inhabitants. That is, majority of the people in this zone have business orientation, the black trading, the affront of business, the deal in...”
- 04:01 “crude oil exploration and mining of other mineral resources such as coal, iron ore, granite, tin, limestone, et cetera. Now, the secondary sector, the secondary sector, consists of all the manufacturing industries. That...”
Definition and Classification of Chemicals
This lesson defines chemicals and explains their various forms, including solids, liquids, and gases. It also classifies chemicals their hazardous nature and discusses safety measures when using them.
- 06:30 “Now, for one carbon present in any particular compound of carbon, you have to use it to determine what's referred to as alotrupy. Alotrups of carbon talks about the shapes in which carbon can exist. Now, we have diamond,...”
- 08:08 “For sake of knowledge, the outer shell occupies 8 electrons, and their outer shell is usually filled up. We have the alkali-ed metals. Now, this set of elements also share the same characteristics. We have lithium, we ha...”
- 09:39 “the 17th element. You see the 35th element, which is bromine, the M502, which is the iodine, and some other elements. The only two that are no arranged vertically are your lanterites and your actinites. Now, what are com...”