Friday, 11 September 2015

Science Fair

Our science project was awarded 'highly commended' at the science fair this week.

Friday, 4 September 2015

"Let it go"

The difference between boys and girls when "let it go" was selected for morning fitness....

Thursday, 3 September 2015

Which acid is the fizziest?

Room 4's science fair project is finding out which acid reacts with baking soda to produce the largest amount of gas.

Vinegar and baking soda made a pretty big fizz.  





Lemon juice and baking soda fizzed all the way to the top of the measuring beaker.



Lemonade and baking soda didn't fizz very much.





Orange juice and baking soda fizzed up to 200ml.

We decided to repeat our balloon gas experiment with lemon juice and baking soda.


Virtus tipped it in.




Wow!  The balloon went really full of gas.




Mr Barnes the Scientist

Mr Barnes came to visit yesterday and showed us how to extract DNA from strawberries!  
First we squashed the strawberries.



We mixed the squashed strawberry with water, salt and dishwashing liquid.




We sloshed it around.









Mr Barnes poured the strawberry juice into a filter to get all of the seeds out.


Only clear liquid was left.



He tipped in some purple methylated spirits.

It floated on top.

We could pull the DNA out on a stick.
DNA is the  instructions of how to make a living thing.