Focus on Waves - page 7

in a microwave oven heat the water

in food. This causes the food to

get warmer.

Satellites send information around the world

using electromagnetic waves.

SEO Version

Warning.

You are currently viewing the SEO version of !text.
It has a number of design and functionality limitations.

We recommend viewing the Flash version or the basic HTML version of this publication.

1,2,3,4,5,6 8,9,10,11,12