How big ships float

Ever wondered why an enormous ship that weighs thousands of tonnes and is loaded with cargo doesn’t sink to the bottom of the sea? Find out what buoyancy, density, air and gravity have to do with it. This explanation text is for year 5 and P6 and links to the topic Forces.

This downloadable reading pack includes:

  • An A3 reading spread for you to print.
  • Reading comprehension question and answer sheets, differentiated using our magnifying glasses key (on the bottom right). One magnifying glass indicates easier and two means harder.
  • A set of discussion questions to use as a whole class or with a partner.
Year 5
Forces and magnets
How big ships float

Search the portal again

What our customers say

Rated 5 stars on Facebook
The Guardian
Primary Times
The School Run
Startups 100
Startup Awards
Teach Primary Award
Subscribe to our monthly e-newsletter Sign up
Check out our Christmas offers