Primary Bulletin 49 complete

Levers – First, second and third class.

See the heat with thermochromic sheet

Tricky Decisions in 2099

Primary Bulletin 50 complete

What a waste – compost columns

Tackling big issues (summary) – Peter Finegold

Primary Bulletin 51 complete

A gift to the school (CD-based resource)

Putty investigations

Primary Bulletin 52 complete

Design & make an alphabet car

Shedding light on artificial optical radiation

Plant adaptations

Primary Bulletin 53 complete

Fruit batteries

Rice to see you – floating & sinking