This is an introductory lesson to the concept of conservation of mass where students investigate what happens to the mass of water when salt is added to it. They then have to try and explain why the mass goes up despite not being able to see the salt anymore.
Self contained lesson that really got the students engaged.
Save yourself some time and grab a bargain.
Self contained lesson that really got the students engaged.
Save yourself some time and grab a bargain.
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£2.00