Welcome to the revision portal. If you are seeing this before you took the quiz, you are smart, people fail because they didn't prepare well. If you are seeing this page after taking the quiz, you are brave. This revision covers the following:
- The meaning of gravity
- The difference between Mass and Weight
- Imperial units for measuring Mass
- Metric units for measuring length
- Units for light and heavy mass
Just before you begin the quiz, let's have some revision because I really want you to be a champ on this. Is that ok?.
Revision
Measurement is what you do to learn or know more about something. Measurement involves counting. We must measure to be able to make the correct decision about something. Measurement is important for everyday living, its a survival skill. If you don't know how to measure, you will be cheated and people may make a fool off you. Measurement helps to find answers to questions like:
These different things that can be measured have different tags or names. These names help us in making a quick expression of the kind of measurement we like to do. For example:
Now that you have remembered the meaning of measurement, let's revise on Weight and Mass. But before we do that, let's talk on one important thing that will help you understand the concept of Weight and Mass. I call it:
Gravity is a force that pulls everything to the ground. That's funny, right? I know. When you throw things up to the sky, Gravity is the reason it's going to return back to the ground. You don't really feel it but it is there.
Gravity is not a bad thing, it is good because it helps create stability on earth. If gravity disappears from the earth, it will be chaotic because everything will begin to float. Imagine yourself defecating and then your faeces floats out towards your face...
In outer space, the force of gravity is minimal and everything floats. See the video below to see what happens in the space.
Now let's get back to the topic now that you have fully understood the meaning of the idea of gravity.
Weight simply means the amount of force of gravity on objects. The amount of gravity force is always determined by the mass of the object. The bigger the mass, the bigger the weight. So you see, Weight is for describing how heavy while mass is the amount of the heaviness. Look at the illustration below.
Are you still here?. Now let us look at the Standard units of measuring Mass. A unit of measurement is simply what is used in measuring. It is important that we have a unit of measurement because it helps us to easily describe measurements.
There are two categories of standard units for measuring length. They are :
- Imperial Unit (Originated from England)
- Metric Unit. ( Originated from France)
The quiz will focus on the Metric unit of measurement. So now you can go back to play the quiz
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