| A | B |
|---|
| observation | something you find out about objects using your senses |
| hypothesis | a statement of what you think will happen during a scientific investigation |
| variable | something that can change in a scientific investigation |
| control group | a standard against which change can be measured |
| experiment | the use of scientific methods to test your hypothesis |
| models | objects or ideas that represent things |
| data | information from which a conclusion can be drawn |
| accuracy | when measurements are close to a known measurement |
| precision | when measurements are consistently repeated |
| evidence | facts that make you believe that something is true |
| inference | a conclusion based on evidence |
| procedures | step-by-step instructions for completing a task |
| engineer | a scientist who uses technology to design inventions |
| prototype | an early version of what the final project might look like |
| technology | the knowledge, processes and products that solve problems and make work easier |
