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A class of students wanted to test the germination rate of two types of tomato seeds. The students planted 30 of one type of seed (“Big Beauties”) and 30 of another type of seed (“Small Wonders”) into the same type of soil and pots. All of the pots were placed along a windowsill where they received the same amount and duration of light.
- Tomatosphere
How does the exposure to space affect the germination of...
- Tomatosphere
Conducting a fair test is one of the most important ingredients of doing good, scientifically valuable experiments. To insure that your experiment is a fair test, you must change only one factor at a time while keeping all other conditions the same. Scientists call the changing factors in an experiment variables.
When you are testing something, you need to make sure it is a fair test. To do this everything should be the same except the thing you are testing. Times tables 1-12! Scientific tests need to be ...
All other things are kept the same. This is a. fair test. close. An experiment in which only one thing (variable) is changed and another is recorded. All other things are kept the same. . If more ...
Conducting fair test investigations. Scientific investigations involve posing questions, testing predictions, collecting and interpreting evidence, and drawing conclusions and communicating findings. When scientists plan and conduct a fair test investigation it is to answer a question or test a prediction. Students emulate this in the classroom ...
Learning objectives. 1 Make predictions using your scientific knowledge and use them to form a hypothesis. 2 Plan an appropriate investigation to test your predictions. Download this. Download the slides as PowerPoint and pdf, teacher notes as Word and pdf and student worksheet as Word and pdf. Download All.
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A fair test is a test that controls all but one variable when attempting to answer a scientific question. Only changing one variable allows the person conducting the test to know that no other variable has affected the results of the test. To help remember how to conduct your fair test, learn the mnemonic:
