| A | B | 
| p h y s i c s | The study of matter, energy, and their interactions | 
| a c c u r a c y | The closeness of a measurement to the actual value of what is being measured | 
| p r e c i s i o n | A gauge of how exact a measurement is | 
| s l o p e | The ratio of a vertical change to the corresponding horizontal change in a line | 
| t h e r m o m e t e r | An instrument used to measure temperature | 
| t e c h n o l o g y | The use of knowledge to solve practical problems | 
| m o d e l | A representation of an object or event | 
| s c i e n c e | A system of knowledge and the methods used to find that knowledge | 
| s c i e n t i f i c  l a w | A statement that summarizes a pattern found in nature | 
| o b s e r v a t i o n | Information that you obtain through your senses | 
| h y p o t h e s i s | A proposed answer to a question |