After pouring 3 litres from the 5 litre bottle, there will be 2 litres left. 5 – 3 = 2 litres The smaller bottle now has 3 litres of juice, so it has more juice. Be your own measurement ...

The power of the sun is harnessed using a bottle full of water. Quite simply they’re used 2-liter soda bottles. They’ve been filled with water along with two caps worth of bleach to keep ...

A capped 2-liter plastic bottle containing a clear, colorless liquid is shaken. The liquid turns a deep blue color. At rest, the liquid returns to colorless. The cycle can be repeated many times. Ask ...