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3.Give reasons for :

1.Car is a matter

………………………………………………………………………………………………………………..
2.Oil is liquid

………………………………………………………………………………………………………………..

3.Sequence of four seasons

………………………………………………………………………………………………..
4.the stars seems very small in size

……………………………………………………………………………………..

5.Melting of wax is a physical change

……………………………………………………………………………………….

4. Write the scientific term :

1. A unit used to measure the small masses

2.Dark object reflects the sun rays that fall on its surface

3.The simplest form of matter that can’t be
decomposed into 2 substances or more

4.The change in the shape of matter only not in structure

Model exam (4)

1-Choose the correct answer :

1…………………is an example of chemical change .

(Burning of sugar –Ice melt –Water
freezing) 2.from non metals that found

in liquid state (Carbon – mercury –

bromine )

3.The number of day hours equal the number of

night in (summer –spring –winter )

4.If the dimensions of your book are 5cm,2cm,3cm,so,the

volume is

(20-30- 10)

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