This World of Things – Revision

Observation & Recording

We use many objects in our daily life. A table may be made of wood, a bottle may be made of plastic, and a spoon may be made of metal. Glass is transparent, wood is opaque and butter paper is translucent. Different materials have different properties.

1. What is a table usually made of?

Wood.

2. What material is a spoon made of?

Metal.

3. What is glass?

A transparent material.

4. What is wood?

An opaque material.

5. What is butter paper?

A translucent material.

6. Name one plastic item.

Bottle.

7. What do we call materials we cannot see through?

Opaque.

8. What do we call materials we can see through clearly?

Transparent.

9. What do we call materials we can see through partially?

Translucent.

10. Why do objects differ?

Because they are made of different materials.

Identification & Reporting

1. Name one metal.

Iron.

2. Name one transparent object.

Glass window.

3. Name one opaque object.

Door.

4. Name one translucent object.

Butter paper.

5. Where does wood come from?

Trees.

6. Where is metal extracted from?

Rocks or ores.

7. Name one plastic item at home.

Bucket.

8. What is cotton made from?

Plants.

9. What material is a chair usually made of?

Wood or plastic.

10. Name one soft material.

Cotton.

Discovery of Facts

1. Why can we see through glass?

Because it is transparent.

2. Why can’t we see through wood?

Because it is opaque.

3. Why are metals strong?

They have strong structure.

4. Why are plastic bottles light?

Plastic is lightweight.

5. Why do we use glass windows?

To allow light inside.

6. Why are spoons made of metal?

Because metal is strong and durable.

7. Why is cotton soft?

It is made of soft fibres.

8. Why are objects made of different materials?

Because materials have different properties.

9. Why should we recycle plastic?

To reduce waste.

10. Why is wood used for furniture?

Because it is strong and durable.