Product Description
Video and lesson investigations on the topic of air and wind. Key concepts include:
- Kites are designed to fly in the wind.
- Without wind they cannot fly.
- The power of moving air can be felt in the hands that control the kite.
- Flying a kite is a good way of demonstrating that air moves.
- They show the force of air movement or wind.
- Air is a mixture of invisible gases that surrounds the planet Earth.
- The movement of air, or wind, around the globe is a result of the differences in temperatures at different places on Earth.
- The warm air near the Earth’s equator expands and rises; the cooler air from the
- Earth’s poles contracts and sinks, moving towards the area vacated by the equator’s warm, rising air.
- This action causes global wind patterns.
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