How Long Did I Sleep?, Hardback Book

How Long Did I Sleep? Hardback

Part of the How What Why ? series

Hardback

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A group of characters introduce basic science questions and answer them using simple, hands-on projects.

These fun projects encourage younger children to investigate the world around them, whilst introducing them to fundamental science principles.

How Long Did I Sleep? Looks at measuring time during the 24 hours of the day, calendars, using the sun to measure time, units of time, and differences between short and long time.

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