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1. Ask a Question. You have a couple of plants sitting on your windowsill, and your son asks the simple question about why they are sitting on the ledge. He wonders how the amount of light affects how a plant grows, and if it will grow without light. And so begins the process of scientific investigation!
Mar 27, 2017 · Qualitative data describes, while quantitative data is expressed using numbers. (dirkcuys) There are two types of data. Qualitative data is descriptive information about characteristics that are difficult to define or measure or cannot be expressed numerically. Quantitative data is numerical information that can be measured or counted.
Apr 26, 2018 · An independent variable is a variable that you can control. One way to explain it to a child is that it is the variable that the child can change during the experiment. For example, in an experiment on the effect of light on plant growth, the child can control how much light a plant receives. He can put one plant near a window and another plant ...
Jiggle definition: . See examples of JIGGLE used in a sentence.
Apr 17, 2019 · Another surface tension experiment is where you make a shape on the surface of the water with cocktail sticks and drop some washing-up liquid in the centre to force the sticks apart. Watch how water behaves on the space station with this NASA video. Try filling a bowl half full with water and carefully placing a paperclip on the top, so it floats.
Experiments are used to answer questions like this. Most experiments are set up to see if a change in one factor causes a change in another factor. These factors that can be changed are called ...
May 1, 2016 · Method. Calculate the capacity in ml or litres of your container, by filling it with water and then measuring the volume of the water. We need to fill the container about ⅓ full of water and ⅔ of oil. Work out how much water and oil you need. Pour the water first and then the oil, the two should separate. Add a few drops of food colouring.