This online resource teaches about the relationship of the length of a year to the Earth's orbit around the Sun.
The resource includes diagrams, written explanations and a voice-over and could also be used to demonstrate day length and the length of a year for other planets.
There is also a two-question quiz and a summary slide.
This Flash-based interactive will not work on an Apple iPad.
- Year 5 > Science Understanding > Earth and Space Sciences > The Earth is part of a system of planets orbiting around a star (the sun) > ACSSU078