Page 79 - Science - 5

3. Matter is made up of ____________ .
4. Gases have the ____________ inter-molecular shapes.

5. The ____________ is the substance in which the solute dissolves.

Clear Approach
Clear Approach

Write ‘T’ for true and ‘F’ for false statements :

1. Matter exists in three states, that are solids, liquids and gas.

2. Gases have fixed shape and volume.

3. Cooked rice can dissolve in water and are soluble in it.
4. The smallest part of matter is molecule.

5. Milk is miscible in water but cheese is not.

Substituting Yourself
Substituting Yourself

Give one word for each of the following :
1. Tiny particles that constitute matter ________________
2. Thing that occupies space and has weight ________________

3. Solution with no blending of substances ________________

4. Tiny particles that constitute molecule ________________
5. Solution in which solute is uniformly distributed ________________

Brush Up Your Learning
Brush Up Your Learning

A. Answer the following questions briefly :
1. Name the solid which is used as a fuel.
2. Name the solid that burns very easily.

3. Which liquid is used as a fuel?
4. Which gas is used in aerated drinks?

5. Give the name of a solid that melts on heating.
B. Answer the following questions :
1. How are liquids and solids alike?

2. How are liquids and solids different?
3. How can you find out the likenesses and differences between objects?

4. What is a chemical change? How is it different from a physical change?
5. What is the difference between liquids and gases?
6. What is the difference between :

(i) sugar in water and pebbles in water?
(ii) oil in water and milk in water?

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