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.
- ISBN10 0749649720
- ISBN13 9780749649722
- Publish Date 22 May 2003
- Publish Status Out of Print
- Out of Print 7 November 2009
- Publish Country GB
- Publisher Hachette Children's Group
- Imprint Franklin Watts Ltd
- Format Hardcover
- Pages 24
- Language English