Page 136 - Viva ICSE Science 4 : E-book
P. 136
Assessment Sheet 2
A. Fill in the blanks.
1. _____________ is the most abundant gas in the air.
2. _____________ is the gaseous state of water present in the air.
3. _____________ is a universal solvent.
4. Soluble substances can be separated by _____________ method.
5. The quantity of ___________________ is always more than the quantity of
_________________ in a solution.
6. Length of a shadow is the shortest at _____________.
7. Non-luminous objects become visible when they _____________ light of
luminous objects.
8. _____________ is used to measure body temperature.
9. A push or pull that acts on an object is called _____________.
10. Materials that are used to reduce friction are called _____________.
B. Write (T) for true and (F) for false statements.
1. The act of taking air into lungs is called exhalation.
2. Chalk powder is soluble in water.
3. Torch is an example of artifi cial source of light.
4. Translucent objects form faint shadows.
5. The normal temperature of human body is 101°F.
6. The hour hand moves faster than the minute hand in a watch.
7. We pull an object to move it towards us.
8. Friction always acts in the direction opposite to the direction of
the moving object.
122
