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- 1. Multiple Choice
Which of the following materials is not lustrous?
Gold
Silver
Wood
Diamond
- 2. Multiple Choice
Which of the following statements is not true?
Materials are grouped for convenience.
Materials are grouped to study their properties.
Materials are grouped for fun.
Materials are grouped according to their uses.
- 3. Multiple Choice
Shown here is a tent used by a mountain climber.
What are the qualities such a tent MUST have?
1. very light to carry
2. has nice colours
3. easy to wash
4. folds into a small size
Only 1
Only 1 and 2
Only 1 and 4
all - 1,2,3 and 4
- 4. Multiple Choice
Which of the combinations is the odd one out?
Ink and water
Milk and water
Oil and water
Lime juice and water
- 5. Multiple Choice
Which of the following type of bodies form sharp shadows when placed in the path of light?
Transparent
Translucent
Transparent and translucent
Opaque
- 6. Multiple Choice
Abhi bought an object. It is made of a hard material. It is fragile (easy to break) and allows light to pass through it.What can the object be?
Shoes
Mirror
Cricket bat
Fish tank
- 7. Multiple Choice
Hussain was applying paint on the wall during which some of the paint fell on his hands. Instead of using water, Hussain used kerosene oil to wash his hands.
Which of the following options explains Hussain's decision?
Kerosene is softer than water.
Kerosene smells better than water.
Paints dissolve in kerosene and not in water.
Kerosene is more easily available than water.
- 8. Open Ended
Name two materials which are soft
- 9. Open Ended
Which of the materials that mix well with water.
Vinegar, lemon juice, mustard oil, diesel, wheat flour
- 10. Open Ended
Name the materials that can be used to make a plate
- 11. Open Ended
Name two non-lustrous materials
- 12. Open Ended
Name two liquids that are not soluble in water
- 13. Open Ended
Name two liquids that are transparent
- 14. Multiple Choice
Which of the following is a transparent material?
wood
frosted glass
clear plastic
rubber
- 15. Multiple Choice
Which of the following is a hard material?
chalk
sponge
iron nail
eraser
- 16. Multiple Choice
Which material can be classified as both hard and transparent?
rubber
wood
plastic
diamond
- 17. Multiple Choice
You need to make a container that should not pass light. Which material would you choose?
glass
plastic wrap
aluminum foil
butter paper
- 18. Multiple Choice
You have a piece of wood and a piece of metal of the same size. Which one will sink in water?
metal
wood
both will sink
both will float
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