They may offer other answers not listed here. When looking at things in space, astronomers use a telescope. As students look through our telescopes, help them locate the wall- mounted photograph of stars. The round table contains a model of Stonehenge. Ancient astronomers created Stonehenge in 1500 BC as a monument to record events connected with the rising and setting of the Sun and Moon.
Weather forecasts are simply best-possible predictions.
The tools give us clues, but the air currents that are moving weather around often act in ways that are hard to predict. Doctors use tools to help them monitor or improve people's health. Many of the instruments are designed to get information from inside the body where it can't be seen. It is often safer to use a tool than to have to open someone up and look. Microscopes let you see detail on tiny things.