This is a very good website for almost everybody. It has nice, clear explanations for all kinds of stuff – chemistry, physics, biology, maths…whatever. Some of the stuff is a bit high-level but give it a go anyway. Click on the image to see how it works. Ask Qwiki a question in the form of a keyword.
I typed the word ‘energy’ into the search box and this is what I got.
This is the first. Bring hard copy to lessons from now on…
It’s a hard life being a parrot. You have to stand up all day on your perch without falling off. Here’s a bigger Parrot document which is a picture of me. Cut me out without the branch I’m standing on and stick me on to a piece of thick cardboard which won’t bend. If you weight my tail, it will lower my centre of gravity so I can perch on your finger. Sweet.
Image is from a real question, set in 2005
A commendation is available for 80% or better.
A diagram is missing on the paper, about a magnetic field. Oops…
Here’s the missing diagram. L is the blue blob in the middle
A2 Mock Paper questions Nov 2011