Table of contents |
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State True/False |
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Fill in the Blanks |
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Short Questions Answers |
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Assertion and Reason Questions |
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(i) Opaque is a materials through which you are not able to see.
(ii) Soft materials can be compressed or scratched.
(iii) Brick is opaque, while butter paper is translucent.
(iv) Air is transparent.
(v) Iron is harder than sponge.
(i) Grouping things together with similar properties is called .
(ii) A piece of stone is a material.
(iii) Oily patch on a piece of paper is .
(iv) Materials that have lustre are usually called as .
(v) Materials are grouped on the basis of or in their properties.
(vi) Based upon transparency, materials can be grouped as , and .
(vii) A substance which is used in making different objects is called .
Q3: Name a substance through which light can pass through partially but one cannot see through it clearly.
Q4: Name any two things which can be made out of wood?
Q5: Write the object from the following which shine: brick, earthen pitcher, glass bowl, plastic table, steel spoon, cotton bed sheet, newspaper.
Q6: Name one lustrous material?
Q7: Which material is generally used for making pens?
Q8: Write any two objects made up of opaque materials?
Q9: Write name of any three metals.
Q10: Name few things made up of plastic.
Q14: Assertion (A): All materials are made of the same substance.
Reason (R): Different objects are made from different materials like wood, metal, and plastic.
(a) A is true but R is false
(b) A is false but R is true
(c) Both A and R are true, and R is the correct explanation of A
(d) Both A and R are true, but R is not the correct explanation of A
Q15: Assertion (A): Transparent materials allow us to see through them clearly.
Reason (R): Glass and clean water are examples of transparent materials.
(a) Both A and R are true, and R is the correct explanation of A
(b) Both A and R are true, but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
Q16: Assertion (A): Materials that dissolve in water are called soluble materials.
Reason (R): Salt and sugar do not dissolve in water.
(a) A is true but R is false
(b) A is false but R is true
(c) Both A and R are true, and R is the correct explanation of A
(d) Both A and R are false
Q17: Assertion (A): All shiny materials are metals.
Reason (R): Some non-metals appear shiny due to polishing or coating.
(a) Both A and R are true, and R is the correct explanation of A
(b) A is true but R is false
(c) A is false but R is true
(d) Both A and R are false
Q18: Assertion (A): Classifying materials helps us understand their properties better.
Reason (R): Similar materials often have similar uses.
(a) Both A and R are true, and R is the correct explanation of A
(b) Both A and R are true, but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
You can access the solutions to this worksheet here.
1. What are the different types of materials around us? | ![]() |
2. How do we classify materials based on their properties? | ![]() |
3. What is the importance of understanding materials in our daily life? | ![]() |
4. Can you give examples of natural and synthetic materials? | ![]() |
5. How do materials impact the environment? | ![]() |