Activity 4.1 Class 8 Science Chapter 4
In this post, you will find NCERT
Science Class 8 Chapter 4 Materials: Metals and Non-metals Activity solutions. Class 8 science chapter 4
consists of NCERT Activity 4.1
Class 8 Science Explanation with a conclusion.
NCERT Activity 4.1 Class 8 Science Explanation with a conclusion
You are suggested to study NCERT activity 4.1 class 8 science explanation
with a conclusion so that you can attempt questions based on activity 4.1
class 8 science.
Activity 4.1 Class 8 Science
· Take
a small iron nail, a coal piece, a piece of thick aluminium wire and a pencil
lead.
· Beat
the iron nail with a hammer.
· Take
care that you don’t hurt yourself in the process.
· Try
to hit hard . hit hard the aluminium wire also.
· Then
repeat the same kind of treatment on the coal piece and pencil lead. Record your
observation in the table.
|
Change
in shape (flattens/breaks into pieces) |
|
|
Iron
nail |
|
|
Coal
piece |
|
|
Aluminium
wire |
|
|
Pencil
lead |
|
 |
| Activity 4.1 Class 8 Science Materials: Metals and Non-metals |
Observation of Activity 4.1 Class 8 Science
We can see the following changes in the shape of the given
materials
|
Object/material |
Change in shape (flattens/breaks
into pieces) |
|
Iron nail |
Flattens |
|
Coal piece |
Break into pieces |
|
Aluminium wire |
Flattens |
|
Pencil lead |
Breaks into pieces |
Explanation
of Activity 4.1 Class 8 Science
Iron
and aluminium are metals and they are malleable and this property is known as malleability.
Malleability: - The
property of metals by which they can be beaten into thin sheets. This property is the characteristics property
of metals
On the other hand, coal and pencil lead(graphite) are
non-metals and they are brittle in nature. So when they are beaten with a hammer,
they get broken down into pieces.
Conclusion
of Activity 4.1 Class 8 Science
This activity shows that metals are malleable and non-metals are brittle in nature.
Applications of metals
1. Household
articles are made with metals.
2. Aluminium
foils are thin sheets of aluminium in which food is wrapped
3. There
are so many uses for metals.
Related Topics
1. Activity 1.2 Class 8 Science
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