ScientificallyTesting
Have you ever tried something again and again to see what really happens each time? When you do this carefully and keep everything the same except one thing, you are testing it scientifically. Because scientists repeat tests and measure what changes, they can be sure their ideas are correct or need fixing.
Doing something scientificallyscientificallycareful steps instead of just guessing. Next time you mix baking soda and vinegar, you can test it by changing only one amount and watching what happens. means using