Natural Substances

Q.

Give ten examples of each, man-made things or natural things

Q.

List all items known to you that float on water. Check and see if they will float on an oil or kerosene.

Q.

What Is Abstract Noun Of Soft

Q. Which of these are man-made materials?

1. Soaps and plastics
2. Steel and stone
3. Sand and plastics
4. Wood and rocks

Q.

The substance which dissolves very little or do not dissolve at all in water is called a/an

1. soluble substance

2. insoluble substance

3. non-reactive substance

4. anti-solute

Q. Identify the objects that are made up of natural substances.

1. 
2. 
3. 
4. 

Q. Which among the following material is lustrous?

Q. Identify the construction material used in the given image.

1. Bamboo
2. Concrete
3. Asbestos
4. Jute

Q. Which of the following packaging materials should be preferred for keeping the environment safe?

1. 
2. 
3. 
4. 

Q. A leaf on water while a coin in it.

1. dissolves
2. sinks
3. floats
4. dissapears

Q. Which among the following is hard in nature?

1. Tooth paste
2. Diamond
3. Foam
4. Sponge

Q.

how bamboo bridge is different from cement bridge?

Q. Which of the following is not a natural substance?

1. Water
2. Jute
3. Cotton
4. 
   

   Plastic

Q. Which among the following is hard in nature?

Q. Which among the following is transparent?

1. Eraser
2. Pen
3. Air
4. Wooden block

Q. Which of the following substances shine?

1. Aluminium sheet
2. Wood log
3. Silver spoon
4. Chalk
5. Iron rod
6. Gold ring
7. Plastic bucket
8. Window pane
9. Copper sheet

Q. Which of the following is not sourced naturally?

1. Silk
2. Leather
3. Nylon
4. Cotton

Q. Which among the following does not dissolve in water?

1. Sugar
2. Salt
3. Water colour
4. Oil

Q. Which property of material gives shiny appearance to objects?

1. Transparency
2. Solubility
3. Hardness
4. Lustre