Solar System [information over pictures] [1]

We live on a planet called Earth.	A planet is a body that goes around a sun.	A sun is a star.
A star is a bright, shining ball of gas which gives off light and heat.	Therefore our Sun is a star.

Look at all of the pictures in turn. As you hover over each one a blue screen appears with an explanation of what the picture shows. Important words are highlighted. If you are certain that you know about the picture click on it and it will disappear. As you go through all of the pictures you will get rid of all those which you know about and be only left with those you may be unsure of. In some cases you may get rid of all of the pictures in which case you are ready to move on to other activities which will test your knowledge on that particular topic.