Glossary

An engineer is a person who invents, desgins, builds, and fixes machines.

Engineers know a lot about math and science in order to do their jobs.

Engineers build our bridges, design our roads, invent new technology, and construct buildings.

Humidity is the amount of water vapor in the air. 

Humidity is invisible and can make you feel sticky and sweaty.

Humidity is used to predict when there will be fog, dew or rain.

Temperature is the measurment of how hot or cold something is.

Temperature can be measured using a device called a thermometer.

Temperature is used to let us know how hot or cold something is so that we can make it cooler or hotter if we need to.