To observe appearance of different items
• Observe carefully a sheet of paper, cardboard, metallic chain, cotton, silk, wood, chalk, copper wire, aluminium foil and steel utensils.
• Which of these have shiny appearance?
• You may add more items to the list from your surroundings.
• Record your observations in the table given below.
Appearance of different items
S. No
Items
Appearance
1.
Paper
Dull
2.
Metallic chain
Shiny
3.
Cardboard
4.
Cotton
5.
Silk
6.
Wood
7.
Chalk
8.
Copper wire
9.
Aluminium foil
10.
Steel utensils
• Observe carefully a sheet of paper, cardboard, metallic chain, cotton, silk, wood, chalk, copper wire, aluminium foil and steel utensils.
• Which of these have shiny appearance?
• You may add more items to the list from your surroundings.
• Record your observations in the table given below.
Important Questions on Grouping Materials of Different Kinds
To observe whether different materials are soluble or insoluble in water
• Think about the materials like salt, sugar, chalk powder, sand, kerosene oil, vinegar, lime juice and cooking oil.
• Identify whether they are soluble or insoluble in water.
• Record your observations in the table given below.
Soluble and insoluble materials
| S. No. | Materials | Soluble or insoluble |
| 1. | Salt | Soluble |
| 2. | Chalk powder | Insoluble and settles down |
| 3. | Kerosene oil | Insoluble and forms separate layer |
| 4. | Sugar | |
| 5. | Sand | |
| 6. | Vinegar | |
| 7. | Lime juice | |
| 8. | Cooking oil |
Unscramble the following to form a word or term.
SCPALIT
Unscramble the following to form a word or term.
TDINSYE.
Unscramble the following to form a word or term.
IHSNY.
