Page 85 - Active Science 5 Ebook and Activity

Project Work

A Balloon Rocket
All you need is a balloon. Blow up the balloon, hold it high in the air, and then let it go.What
happens? When the compressed air inside the balloon rushes out, it pushes the balloon in the
opposite direction. This principle is used in jet planes.

Life Skills Activity

Plant trees as they remove carbon dioxide from the air and release oxygen into the atmosphere.
Also tell your neighbours to plant at least two trees a year.

Research and Development

Put a drop of wet colour on a hard paper. Using a straw, blow air from your mouth on the wet
colour. Why are you able to spread the colour without touching it? Search and find out the
reason behind it. Also try doing it with some other fluid.

Field Trip

Wind farms are huge areas with a large numbers of windmill, they are established in areas with
high wind speed. Such windfarms have a variety of uses ranging from generating electricity to
grinding and other purposes. Visit a windfarm and find out its uses.

Net Work
• To study various experiments related to air, log on to
http://www.science-sparks.com/2014/05/26/air-pressure-experiments-for-kids/
• Study funny activities with bubbles on
http://www.sciencekids.co.nz/lessonplans/water/bubbles.html

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