CLASS 3 TWAU WORKSHEET LESSION 10

[Class 3] [Subject: The World Around Us] Worksheet

Chapter: This World of Things
Unit Theme: Things Around Us

Name:
Class & Section:
Roll No:

1. Observation and Recording

Observe the classroom or an image from the lesson. Answer the following:

1. Name two things in the classroom made of wood.
   Table, chair [translate:मेज़, कुर्सी]
2. Why is glass used for windows?
   Because we can see through it (transparent) [translate:पारदर्शी]
3. What is the classroom door made of?
   Wood or metal
4. Name a material that is see-through but not glass.
   Plastic sheet (transparent plastic) [translate:पारदर्शी प्लास्टिक]
5. What is used to join metal and wood in classroom furniture?
   Nails, screws [translate:कील, पेच]
6. Give one example of a natural thing and an artificial thing in your class.
   Natural: plant; Artificial: chalk

2. Multiple Choice Questions (MCQs)

1. Which of these is found in nature?
   a) Chalk
   b) Wood
   c) Glass
   d) Plastic
   b) Wood
2. Which material is transparent?
   a) Metal
   b) Plastic
   c) Glass
   d) Wood
   c) Glass
3. Which of these is soft and flexible?
   a) Wood
   b) Metal
   c) Cloth
   d) Glass
   c) Cloth
4. Which is NOT a natural thing?
   a) Tree
   b) Water
   c) Pencil
   d) Stone
   c) Pencil
5. Metals are usually
   a) Soft and flexible
   b) Transparent
   c) Hard and shiny
   d) Invisible
   c) Hard and shiny
6. Glass is made mostly of
   a) Wood
   b) Sand
   c) Water
   d) Metal
   b) Sand
7. Which one is an opaque material?
   a) Glass
   b) Water
   c) Metal
   d) Plastic sheet
   c) Metal

Long Answer Question

Explain the difference between natural and artificial things, giving two examples each from your classroom or home.
Natural things exist in nature, like plants and water. Artificial things are made by humans, like a table or chalk.

3. Very Short Answer Questions

1. What is glass mostly made of?
   Sand [translate:रेत]
2. Name one transparent object. Glass
3. What is an opaque material? Wood or metal
4. What is a chair usually made of? Wood or plastic
5. Which object in your class is made from metal? Nails, screws, hinges
6. Name something soft and flexible. Cloth

4. Fill in the Blanks

1. Table and chair are made of _______. (wood/cloth)
   wood
2. Window panes are made of _______. (glass/paper)
   glass
3. A bag is usually made of _______. (metal/fabric)
   fabric
4. _______ are used to join wood and metal. (nails/fruits)
   nails
5. Plastic bottles are made from _______. (plastic/wood)
   plastic

5. True/False Statements

• Glass is an opaque material. False
• Wood is obtained from trees. True
• Natural things are made by people. False
• Metal is soft and breakable. False
• Plastic is hard and flexible. True

Solids, Liquids and Gases – Questions & Answers

1. What are solids? Give two examples.

Answer: Solids are things that have a fixed shape and fixed size.
Examples: Stone, Pencil.

2. What are liquids? Give two examples.

Answer: Liquids do not have a fixed shape. They take the shape of the container they are kept in.
Examples: Water, Milk.

3. What are gases? Give two examples.

Answer: Gases do not have a fixed shape or size. They spread out and fill the space around them.
Examples: Air, Oxygen.

4. How are solids different from liquids?

Answer: Solids have a fixed shape, but liquids flow and take the shape of the container. Solids stay in one place, while liquids can be poured.

5. Why can’t we see gases even though they are around us?

Answer: We cannot see gases because their particles are spread far apart and they have no colour, so they appear invisible.

Living and Non-Living Things – Questions & Answers (Class 3)

1. What are living things? Give two examples.

Answer: Living things are those that can grow, move, breathe, eat and reproduce.
Examples: Human, Dog.

2. What are non-living things? Give two examples.

Answer: Non-living things do not grow, breathe, move or reproduce.
Examples: Chair, Rock.

3. How do living things grow?

Answer: Living things grow by getting bigger and changing in size as they eat food.

4. Why do living things need food?

Answer: Living things need food to get energy, stay healthy, and do activities like moving and playing.

5. How are living and non-living things different?

Answer: Living things can breathe, grow, move, feel and reproduce, while non-living things cannot do these activities.

6. Matching Activities

Column A	Column B
Window pane	a) Transparent
Chair	b) Wood
Bottle	c) Plastic
Nails	d) Metal
Handkerchief	e) Cloth

Window pane – a); Chair – b); Bottle – c); Nails – d); Handkerchief – e)

7. Discovery of Facts & Sentence Correction

• Plastic is a natural material. Incorrect! Plastic is made by humans; it is artificial.
• Glass is made from wood. Incorrect! Glass is made from sand.
• Water flows because it is a solid. Incorrect! Water is a liquid and flows.
• All transparent things are glass. Incorrect! Plastic sheet can also be transparent.

Long Answer Question

List three materials found around you and describe what objects are made from them. Where do these materials come from?
Wood: Table, chair (from trees); Metal: Nails, screws (from rocks/ore); Glass: Windows (from sand)

8. Identification and Classification

• What is a solid? Give two examples.
  A thing that keeps its shape, e.g., book, stone
• What is a liquid? Give two examples.
  Flows and takes shape of container; e.g., water, oil
• How do you classify things as natural or artificial?
  Natural: from nature; Artificial: made by humans

9. Creative Writing/Drawing

Write 3 sentences about how different materials are used to make things.
1.
2.
3.
We use wood to make tables and chairs. Metal is used for nails and screws. Glass is used for windows so we can see outside.

Draw and label a picture of your classroom, showing natural and artificial things.

10. Application-Based Questions

• If a window breaks, which material do you need to repair it?
  Glass
• Suppose you must make a bag. Which material will you choose and why?
  Cloth or plastic—because both are flexible and strong

Long Answer Question

Describe a festival in your community and mention three materials used to make festival decorations. How are these materials obtained?
For Diwali, we use paper (from trees) for lanterns, clay (from soil) for lamps [translate:दीपक], and metal (from ore) for utensils.