We observe when we use one or more of our senses to find out about objects, events, or living things. An observation is a fact learned directly through the senses. Scientists learn about living and nonliving things through observation. Scientists use many different kinds of tools. A tool is an object used to do work. A magnifying glass is a tool. 1. Observe your rock. Use a magnifying rock to observe the small details. 2. Take a picture of your rock. 3. Use the drawing and labeling tools to label the properties of the rock (color, texture, luster, size, etc). 4. Record your voice describing your rock.