Comparing Planet Sizes
The pictures below show all of the planets in the solar system in relative size.  This means that the pictures show how big the planets are when compared to each other and the sun.  Which of these planets looks like it is the biggest planet?   Which of these planets looks like it is the smallest planet? 
The Solar System

Each of the planets below is linked to a web page which compares that planet to Earth by the size of each.  To see that picture, move the mouse until the pointer is on the planet you wish to see; then press the mouse button.  Some pages have more than one comparison; however, the same sized Earth is used at least once on every page.
Sun Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto
Use these images to complete Activity 2.  Click on each planet; then print out the pages of all the planets compared to Earth.