1 Pour 1/2 cup of the peroxide into the empty water bottle (Hydrogen peroxide can irritate skin and eyes, so make sure you protect your eyes and skin and let a grown up do the pouring.). 2  Add about 8 drops of food coloring to the bottle (optional).
What is the largest predator? The Largest Predator The Blue Whale. At up to 33.58 meters (110 ft 2 in) in length and 172 metric tons (190 short tons) or more in weight, it is the largest animal ever knownâ¦ to have existed.
Gwydion Madawc Williams, Degree in Zoology plus a lot of reading. The Blue whale is the largest living mammal, and thought to be the most bulky animal ever. The African elephant is the largest living land mammal. But many extinct species were bigger. Paraceratherium, a long-legged and long necked relative of the rhinocerous, is often viewed as the largest ever - see Biggest Ever Land Mammal | Paraceratherium.