Roll your mouse over each of the members of the electromagnetic spectrum and find out how they are detected and used.
Use this downloadable sheet to record your research. Research sheet
Here is a movie showing how an increase in mass of an object can affect the object`s acceleration.
From the above famous equation you can see that an increase in the mass, m, will reduce the acceleration provided the unbalanced force remains the same.
This is why your car will have a smaller acceleration when it is full of passengers than it would have when empty.
Here is a video from Twig looking at the various factors affecting the speed of sound.
Here are a couple of posters you can download to remind you of what the new National Courses.
Download N4 Course Summary here
