CBSE Class 4 Social Studies Worksheet - States of Matter

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States of Matter

I) Fill in the blanks :

1. All matter is made up of very tiny particles called ____________________.

2. The empty space between the molecules is called ____________________.

3. Anything which keeps its shape when left alone is called ____________.

4. Anything that has weight and occupies space is called _______________.

5. A uniform mixture of ____________ and ___________ is called solution.

II) Choose the correct answer :

1. Matter exists in [Three/ Four] states .

2. Sugar which turns into charcoal due to heating is an example of [Physical Change/ Chemical Change].

3. In gases the space between the molecules is [more/less].

4. In soda water [carbondioxide/oxygen] has been dissolved under pressure.

5. Molecules in a solid [solid/liquid] are closely packed.

III) Write True or False :

1. Air is mixture of several kinds of gases. [ ]

2. All the molecules are constantly moving. [ ]

3. We can see our molecules with our naked eye. [ ]

4. Different things have different kinds of molecules. [ ]

IV) Name the following :

1. A liquid in which a solid dissolves. ______________________________

2. A solid substance which dissolves in a liquid _____________________

Evaporation

I) Fill in the blanks :

1. The heat of the _________________________________dries up the puddle.

2. _____________________is a process in which water changes to water vapour due to heat.

3. __________________is a process in which water vapour changes to water due to cooling.

4. __________________ is taking place in nature all the time.

5. ____________________cools down to form tiny drops of water.

II) Choose the correct answer :

1. The heat of the sun dries up the puddle because of (evaporation / condensation)

2. Water vapour cools down to form tiny drops of water. This process is (condensation/ evaporation)

III) Write True or False :

1. The clothes in the sunlight dry up faster due to the heat of the sunlight.

2. Puddle dry up because of evaporation of water.

Evaporation

Fill in the blanks :

1. The heat of the __________________, dries up the puddle.

2. ______________________ is taking place in nature all the time.

3. ________________ is a process in which water changes into water vapour due to heat.

4. ____________________ is a process in which water vapour changes to water due to cooling.

5. _________________ cools down to form tiny drops of water.


Please refer to attached file for CBSE Class 4 Social Studies Worksheet

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