2012 ICAS Australian Science Competition

SCIENCE Years 9-13 - entries are open now!! This is a 1 hour written test in June. A great chance to test yourself-too see how you match up to other students here at HVHS, in Wellington and across NZ. The entry fee is $8. You have just 1 week to enter at the Resource Centre. Entries close on Friday 6 May.

Sexual and Asexual Reproduction in plants

Roots and shoot growing from an Avocado seed (sexual); roots growing from an African Violet cutting (asexual) , roots growing from an Orchid offset (sexual)

BBC Bitesize - Variation, Natural Selection

Explore these BBC pages to find out more about classification, variation, natural selection and genetic engineering.
Click here
An activity can be found here

BBC Bitesize - Forces

The following resource may be useful to you in revising gravity, friction, balanced and unbalanced forces and drawing force diagrams (note - pressure and moments are not in this unit)
Click here

BBC Bitesize - Magnetism

The following BBC resource may be useful to you in revising bar magnets, finding the magnetic field and increasing the strength of electromagnets (note - electrolysis is not in this topic)
Click here

Acid-Base reaction - treating a jellyfish sting

Watch the following video clip.
Neutralising a jellyfish sting

If an acid (Vinegar) is effective in reducing pain, neutralising the sting, what does this tell us about the sting of a jellyfish?

What causes car crashes?

Complacency, driver error, car condition and the road conditions are all contributing factors to car collisions. To find out more watch some of the following video clips
•Crash test compilation 
•Crash comparison different speeds
•Newton’s law of Inertia
•Crash with and without seatbelt
•Understanding car crashes
•Jeremy Clarkson on breaking distances