so shaking the bottle makes the ketchup flow more easily out of the bottle – for a short time, at least! Interestingly, you can make a thick mixture of cornflour and water, known as oobleck ...

Make sure your ketchup bottle is completely washed out, remove the label, and fill it with your soap. Water gun fights are a ...

where it's mixed with water to give it a smoother consistency. This makes it easier to transport to this storage tank, where it will sit until moving on to the ketchup kitchen. Danielle Traa ...

Tomato ketchup can be preserved by refrigerating it. Sterilize the bottle or container you use to keep it. Submerge the ...