Forensic Science

Can't see the above video? Click here.

Having watched the above video the following question arises.

If the average small female head weighs 9lb, and given that the human brain only accounts for approximately 43% of this weight, when the woman's head exploded what would be the surface area covered in blood.

Hint - Make the following assumptions
The brain is completely made of blood which has the same weight as water.
The blood is dispersed at an average thickness of 1mm
Convert all measurements to metric ie. 9lb = ? kg

Answer on Friday 16th September

Year 9 Basic Numeracy

Currently in Year 9 we are concentrating on updating and improving our basic maths skills in preparation for studying Maths GCSE in September.

We are revising our multiplication tables upto 15 x 15.
We are learning how to perform long multiplication manually.
We are learning what the factors of a number are along with square roots and cube roots.

If you wish to practice your skills in this area you can use
MyMaths

If you see Mr Marlow he will remind you of what the logins and passwords are.

There is also a nice explanation of how to carry out long multiplication at Teaching Image. This website also has lots and lots of practice exercises.