Science is Empirical Lower Level_02
This biologist may use a camera. Other scientists may use other tools. These tools help collect evidence. Below, you will see other tools scientists use.

Stopwatches, or timers are tools. They help us keep track of time.

Thermometers are tools. They tell us if an object is too hot to touch.

Microscopes are tools. They help us see tiny things better.

Telescopes are tools. They help us see things that are far away.
Scientists may use tools. Or they may rely on their own five senses. Tools or not, scientists make observations. These observations are the clues or empirical evidence.They use this evidence to learn more about the world.