This Science quiz is called 'Investigations 1' and it has been written by teachers to help you if you are studying the subject at middle school. Playing educational quizzes is a fabulous way to learn if you are in the 6th, 7th or 8th grade - aged 11 to 14.
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There are many different words used by scientists to help them understand things. These words are the language of investigations. 'Variable' is one of those words. A variable is a factor in an experiment that can be changed. 'Measure' is another word used by scientists. It's not only things like length or height that can be measured, lots of other things can too, like the number of leaves on a plant or how salty something tastes. When you plan and carry out an investigation, you are being a proper scientist, so it's important to use the right words to describe what you are doing.
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