Chapter 10 - Changes in Matter
What do books, posters, TV screens, and computer monitors have in common? They all render our 3D world in 2D. Playfully explore the third dimension by building an origami waterbomb.
Did you know miners must dig up and process as many as 30 tons of rock to make a single gold ring? Take a dazzling look at how gold is mined and transformed.
Mundo Shamundo! With the help of these magic words, the Amazing Mundo can literally reverse the sands of time. Watch him transform worldly objects ... back into rocks in this fun comic strip.