Page 148 - Viva ICSE Science 5 : E-book
P. 148
Assessment Sheet 2
A. Fill in the blanks.
1. Decomposers like _____________ and _____________ feed on dead remains of
plants and animals.
2. _____________ are consumers that eat both plants and animals.
3. Plants and trees make _____________ sound when their leaves move due to
_____________.
4. We fi nd _____________-pitched sounds pleasing.
5. Hydro energy and wind energy are used for producing _____________.
6. Energy obtained from sun is called _____________.
7. Objects which emit light of their own are called _____________ objects.
8. Lever rests on a support called _____________.
9. There are two main types of pulleys—_____________ and _____________.
10. Dirty hair attracts _____________.
B. Write (T) for true and (F) for false statements.
1. Bacteria and fungi are scavengers.
2. Alarm is louder and softer than the tick-tock sound of a clock.
3. Use of public transport can reduce noise pollution.
4. Trees and plants block noise.
5. Water is non-renewable.
6. Work is not done while hitting a ball with a bat.
7. A blurred picture is seen when we look through translucent objects.
8. Earth takes 24 hours to complete one revolution.
134