Page 89 - ICSE Science 3 : E-book

EXERCISES

A. Fill in the blanks.

1. The air around us is a mixture of ____________.

2. ____________ is anything that has mass and occupies space.

3. ____________ substances do not fl ow.

4. ____________ can be poured or spilled.

5. Matter exists in ____________ diff erent forms.

B. Tick () the correct answer.

1. Which of the following have a fi xed shape and size?
(a) Liquids (b) Solids (c) Gases

2. ____________ fl ow easily.

(a) Tables (b) Pens (c) Fruit juices

3. We breathe in ____________.

(a) oxygen (b) CNG (c) carbon dioxide

4. Water, milk, fruit juice and oil are examples of ____________.

(a) solids (b) liquids (c) gases

5. Most gases are usually invisible and ____________.

(a) colourless (b) red in colour (c) black in colour

C. Answer the following in one word.

1. The quantity that tells how heavy or light an object is ____________

2. Everything around us ____________

3. It does not even change when moved from one place

to another. ____________

4. Matter that cannot be seen ____________

5. Matter that can take the shape of any container in
which it is poured ____________

75