Page 73 - ACTIVE SCIENCE 4 TOC

Research and Development

Your mother puts a packet of naphthalene balls in the suitcase containing woollen clothes.
When she opens the suitcase in the next winters, she keeps all those clothes under mild
sunlight for a few hours. Why? What will happen if she will not put naphthalene balls

in the suitcase?

Field Trip

We often see cloth merchants in local market. Visit such a shop to learn the names of
different fabrics and collect their samples.

Net Work

• For a fun activity, log on to http://www.eslkidstuff.com/esl-kids-games/clothes-games.
htm#.VYTvlvljL_g

• For games associated with clothes, log on to http://www.themagiccrayons.com/games/
clothes/

80 Active Science-4