How Does Energy Work Investigating Investigating Investigating Heat Sally M Walker Lerner Publications Minneapolis
Chapter 1 WHat Is HEat Heat is important for all animals and plants Without any heat living things die The same thing happens if living things get too much heat But with the right amount of heat animals and plants live and grow Heat from the sun helps keep living things healthy If a plant gets too hot or too cold it dies But the right amount of heat helps plants grow What do we call the amount of heat an object has 4
Heat is a form of energy The amount of heat an object has is called its temperature Water turns into ice at a temperature called the freezing point Water turns into a gas at a temperature called the boiling point This desert is very hot in the daytime Most plants and animals can’t live there because it is too hot and too dry 5
