Materials in Our Surrounding Worksheet for Grade 4 with Solved in Pdf Download
Materials in Our Surrounding Worksheet for Grade 4: Materials in Our Surrounding Worksheet for Grade 4 students with solution in Pdf download from this page. Total marks is 40 for this worksheet. Students of Standard 4 who are already cleared concept on Materials in Our Surrounding can solve this paper.
Multiple Choice Questions (15*1=15)
1.) What is the source of paper?
a) Wood
b) Plastic
c) Metal
d) Stone
Answer: a) Wood
2.) Which of the following materials is non-degradable?
a) Glass
b) Plastic
c) Wood
d) Paper
Answer: b) Plastic
3.) Which of these is a human-made material?
a) Stone
b) Wood
c) Plastic
d) Glass
Answer: c) Plastic
4.) Which of the following material can float on water?
a) Stone
b) Metal
c) Wood
d) Plastic
Answer: c) Wood
5.) Which of these materials is used to make a window?
a) Metal
b) Plastic
c) Glass
d) Wood
Answer: c) Glass
6.) Which one is a natural material?
a) Paper
b) Metal
c) Wood
d) Plastic
Answer: c) Wood
7.) What happens to a plastic bag when it is thrown into the water?
a) It floats
b) It sinks
c) It disappears
d) It turns into stone
Answer: a) It floats
8.) Which material is commonly used for making chairs?
a) Stone
b) Plastic
c) Metal
d) Wood
Answer: d) Wood
9.) What do we call things that can be broken down by natural processes?
a) Degradable
b) Non-degradable
c) Incombustible
d) Transparent
Answer: a) Degradable
10.) What is the primary raw material for making glass?
a) Metal
b) Sand
c) Plastic
d) Wood
Answer: b) Sand
11.) Which of the following materials can be recycled easily?
a) Metal
b) Stone
c) Plastic
d) Wood
Answer: a) Metal
12.) Which of these materials is used to make a school notebook?
a) Stone
b) Metal
c) Plastic
d) Paper
Answer: d) Paper
13.) What is a characteristic of natural things?
a) They are made by humans.
b) They do not occur in nature.
c) They are found in the environment.
d) They are always non-degradable.
Answer: c) They are found in the environment.
14.) What happens to a stone when it is placed in water?
a) It sinks
b) It floats
c) It dissolves
d) It turns into wood
Answer: a) It sinks
15.) What do we call things that cannot be broken down by natural processes?
a) Recyclable
b) Degradable
c) Non-degradable
d) Transparent
Answer: c) Non-degradable
Fill in the blanks (5*1=5)
1.) A water bottle is usually made up of ________
Answer: plastic
2.) Glass is a ________ material
Answer: transparent
3.) Paper boat _________ on water
Answer: floats
4.) Trees are example of _______ things
Answer: Natural
5.) Small organisms which we cannot see with our naked eyes are called ________.
Answer: Micro organism
State True/False in the following sentences (5*1=5)
1.) Plastic is a non-degradable material.
Answer: False
2.) Floating objects are denser than water.
Answer: False
3.) Natural materials can be recycled easily.
Answer: True
4.) Medical wastes are biodegradable.
Answer: False
5.) Glass can be recycled to make new glass products.
Answer: True
Short Answer Questions (5*1=5)
1.) Name two things we naturally find in nature.
Answer: Two things that we naturally find in nature are water and air.
2.) Write one use of metal in our household.
Answer: We mainly use metal in utensils for cooking.
3.) What are opaque materials?
Answer: Materials that do not allow light to pass through, are called opaque material.
4.) Name one object that sinks in water?
Answer: One object that sinks in water is stone.
5.) Why football floats on water?
Answer: Football floats on water as it is lesser in density than water.
Descriptive answer questions (5*2=10)
1.) What is wood, and write some uses of wood?
Answer: Wood is a natural material sourced from tree’s stem. We use wood to make furniture, construct homes, make paper, and as fuel for cooking.
2.) What is plastic, and why is it used in so many everyday items?
Answer: Plastic is a synthetic material made from polymers. It is used widely because it is durable, lightweight, and can be molded into various shapes. We find plastic in toys, bottles, bags, and many household items.
3.) Some objects float on water and some sink in water, why?
Answer: An object’s density compared to water’s density determines whether it will float or sink in water. If an object is less dense than water, it will float, and if it’s denser than water it will sink.
4.) What are the differences between degradable and non-degradable materials?
Answer:
Degradable material Non degradable material
I.) Degradable materials can break down into simpler substances over time Non-degradable materials do not easily break over time
II.) They are safer for our environment They are harmful for the environment
5.) What is the importance of recycling degradable and non-degradable materials?
Answer: Recycling helps in reducing waste and conserving resources. Proper disposal ensures that non-degradable materials do not harm the environment, while degradable materials can be transformed into useful compost.