Answer:
A cubic meter is equal to 1,000,000 cubic centimeters because there are 100 centimeters in a meter, and if you cube 100, you get 1,000,000. Think of it this way... Take a cubic centimeter and stack 100 of them in a row. You have a meter's worth of cubic centimeters. You also have 100 of them. Now, stack 100 of these 100 cubic centimeters next to each other in a flat pile. You have a grid of 100 x 100, or 10,000 cubic centimeters. This flat pile is one meter by one meter by one centimeter. Now, stack 100 of them on top of each other. You have a cube of 100 x 100 x 100 cubic centimeters, or 1,000,000 of them, and the cube is one meter by one meter by one meter. That is also one cubic meter.