The eye's lens continues to grow throughout life, becoming thicker and less transparent.
19) Why is Merino wool so good at keeping you warm in winter?
Merino wool fibres are wavy, not straight. Wavy wool traps air which is an excellent insulator. This trapped air can be heated by the body. 'Fine' wool fibres have 12 repeating waves for every cm, where as 'Coarse' wool fibres have less than 2 waves per cm. Merino wool can be 'Super Fine', making an awesome material for warm sweaters
20) Do you have the same number of neck vertebrae as giraffe's?
From engaging science experiments, effective role-play scenarios and useful digital technologies through to intriguing Maker spaces, colourful science fairs and community collaboration in your school, there are so many ways that you can be the spark that ignites a passion in students for understanding how the world works.