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8 Science Skills
8 Skills
Term | Definition |
---|---|
science | A way of learning about the natural world that provides possible explanations to questions. |
observation | Using one or more of your senses to identify or learn about something. |
inference | A conclusion formed from available information of evidence. |
controlled experiment | A scientific experiment that involves changing one factor and observing its effect on one thing while keeping all other things constant. |
model | A representation of an object or an event that is used a tool for understanding the natural world. |
independent variable | The variable that is changed in an experiment. |
dependent variable | The variable that is measured in an experiment. |
scientific method | A series of steps that scientist use when preforming an experiment. |
hypothesis | A prediction that can be tested with a scientific investigation. |
qualitative data | Descriptions of the natural world using words. |
quantitative data | Descriptions of the natural world using numbers. |
Data | Information gathered during an investigation; recorded in the form of descriptions, tables, graphs and drawings. |
Control Variables | Elements that are keep the same to ensure a valid experiment. |
accuracy | How close a measurement is to the true value |
conclusion | A summary of the outcome of an investigation A good one states whether or not the results supported the hypothesis. |
hazard | A potential danger that puts you or others at risk of injury |
method | A numbered list of steps needed to carry out an investigation. It should be clear and detailed and include information about measurements and sizes. |
scientific method | A process used by scientists to test their predictions. It usually involves careful observation and measurement. |
reliability | how dependable, stable and consistent a test is in measuring. |
validity | How well the method and test are in accomplishing the purpose of the investigation. |
continuous data | Data that can be any number of a continuum eg. changes over time. We usually graph this data using a line graph. |
discrete data | Data that only has certain options eg. number of people with a shoe size of 5. We usually graph this use column or pie charts. |