EARTH's WATER Water is all around us There is water Can you in rivers lakes and oceans There is list the ways also water in the air and in the ground that people There is water inside plants and inside I use water animals too including people each day Most of Earth's water is in the oceans Ocean water contains salt Water in rivers lakes and ponds is called freshwater because it does not contain salt Water covers almost three quarters of Earth's
Water gives us life City Water makes up more than half of our body weight but we lose some water every day We drink liquid to replace the water that we lose Humans can last for weeks without food but would die within days without
RECYCLING Water does not stay in the same place all the time It is constantly recycled Recycling means to take something old and change it into something new Earth's water is continually moving from one place to another and from one form to another Water leaves Earth's surface and rises into the air Later gravity pulls The water it back to Earth in the form of cycle is the journey rain or snow This process is water takes from called the water cycle the land to the sky and back
Did you know that the sun's heat energy powers the water cycle Things need energy to make them work It is heat from the sun that provides the energy to make the water cycle work The sun gives off huge amounts of heat energy Although the sun is far from Earth Energy is power that its surface is so hot that can make things work some of its heat travels move live and grow through space to