Science Department
Name:………………………… Class:…………………….
Work Sheet
I-Complete the following statements
1-……………substances have definite shape and volume.
2-……………take the shape of their containers but have definite volumes.
3-Ice is…………………state while…………….is gas state.
4-When water heated its……………..into………………..
5-Changing matter from solid to liquid is……………..
6-Water condenses if it touches a…………………..surface.
7-If a liquid evaporates it becomes………….
8-Changing matter from water vapour into water is…………….and it takes place by……………………….
9-The states of matter are……………….,………………..and………….
10-Solids have indefinite …………… and …………….
II-Choose:
1-All of these matter have definite volume and indefinite shape except…
a) a cohol b) oxygen c) water d) milk
2-All of these substances have definite shape and volume except………
a) iron b) water c) wood d) sugar
3-……………is the gas state of water.
a) oxygen b) air c) nitrogen d) water vapour
4- Water can be evaporated to become……………………..
a) solid b) liquid c) gas d) ice
5-When water vapour is received on a cold surface.
a) evaporates b) condenses c) melts d) freezes
III-Give reason for:
1-Salt is a solid while oil is a liquid.
…………………………………………………………………………….
…………………………………………………………………………….
2-Milk takes the shape of its container.
…………………………………………………………………………….
…………………………………………………………………………….
3-Formation of water droplets on the cars' glass in the early morning.
…………………………………………………………………………….
…………………………………………………………………………….
4-The washed clothes become dry after exposing them to the sun.
…………………………………………………………………………….
…………………………………………………………………………….
IV-Solve the following problems:
1-Calculate the volume of a brick, its length= 6cm it's width = 5cm & height=2cm.
…………………………………………………………………………….
…………………………………………………………………………….
…………………………………………………………………………….
2-Calculate the volume of a marble when it has been inserted in
a graduated cylinder containing 30cm3 of water the water has been raised to 60cm3.
…………………………………………………………………………….
…………………………………………………………………………….
…………………………………………………………………………….
الجمعة مارس 21, 2014 9:03 am من طرف عمرو حسام الدين عبدالله
