7709168
Description
Flashcards by Awis Elkaseh, updated more than 1 year ago
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Created by Awis Elkaseh
about 7 years ago
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| Question | Answer |
| When do you need team work in a lab? | you need teamwork when you are doing an experiment. |
| Define the word variable? | In science a variable is any item,factor or condition that can be controlled or changed. |
| what is a hypothesis? | A hypothesis is an educational guess. |
| what does dependent variable mean? | A dependent variable is what you measure in the experiment and what is affected during the experiment. |
| what does independent variable mean? | An independent variable is the variable that is changed or controlled in a scientific experiment. |
| what does controlled variables mean? | something that you are controlling. |
| what is an experiment? | A test under controlled conditions that is made to demonstrate a known truth, to examine the validity of a hypothesis, or to determine the efficacy of something previously untried. |
| what is a fair test mean? | A fair test is when changing one factor at a time and keeping the others the same. |
| what is a procedure? | A procedure is a plan that you follow when conducting a experiment? |
| why is it important to choose the right equipment? | so you do not get hurt or someone else. |
| when are line graphed used? | Line graphs used when you have two sets of continuous measurements like height, mass or time. |
| Do you think a hypothesis and a guess are the same. | No they are not the same. |
| what should you be able to identify in a experiment? | you should be able to identify the the dependent variable,independent variable and controlled variable. |
| how many variables can you change at a time? | you should only change one variable at a time. |
| give 5 examples of variables? | Age, fitness,shoes,wind and surface |
| name 4 variables? | surface,the type of ball, tennis racket must be the same |
| why is it important to check your experiment again? | so you can check if you did it a mistake or not. |
| why is it important to let lots of different people to work on a experiment? | so they can share there skill in the experiment? |
| why is it important to check your procedure before you start? | so you do not make a mistake? |
| what do you do if the experiment is not safe? | change it and make it safer. |
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