Answers to brain teasers (from page 44)

23rd January 1998, 12:00am

Share

Answers to brain teasers (from page 44)

https://www.tes.com/magazine/archive/answers-brain-teasers-page-44
Infant challenge

To find out which magnet is stronger, check: how many paper clips will each magnet pick up? how long a chain will each make? from how far away will each attract? which wins a tug-of-war with a paper clip? how many book pages will each pick up items through? Remember, picking up one magnet with another is no proof of strength - which is doing the work?

Junior challenge

Look for evidence that children recognise the importance of changing each factor - the type of sugar, the tea’s temperature, the number of stirs - independently. There may be other factors, such as the size, or material, of the cup, or the amount of tea used. Generally, sugar dissolves better if the tea is hot, the particles are small and granny stirs well!

Want to keep reading for free?

Register with Tes and you can read two free articles every month plus you'll have access to our range of award-winning newsletters.

Keep reading for just £1 per month

You've reached your limit of free articles this month. Subscribe for £1 per month for three months and get:

  • Unlimited access to all Tes magazine content
  • Exclusive subscriber-only stories
  • Award-winning email newsletters
Recent
Most read
Most shared