| A | B |
|---|
| experiment | a test of a hypothesis |
| hypothesis | a statement of what you think will happen and why |
| inference | an untested conclusion based on your observations |
| microscope | a tool that makes an object look several times bigger than it is |
| observation | information from your senses |
| pan balance | a tool that measures mass |
| scientific method | a way scientists find out how things work and affect each other |
| spring scale | a tool that measures forces, such as weight |
| standard measure | an accepted measurement |
