SCOPE AND CONTINUITY CHART Area THE EARTH AS A PART OF THE UNIVERSE THE EARTH AND ITS CHANGING CONDITIONS MATTER AND ENERGY ARE SUBJECT TO CHANGE GRADE I The Sky Itself The moon, sun and other stars in the sky. The sun gives us heat and light. The moon and stars give us light. Water and Land The earth is made up of air, water, and land. There are different kinds of soil. Water is found almost every- where. Air is always around us. Plants and animals need air to live. Around Us Air is always around us. Air occupies space. Wind is moving air. Air has water in it. Fire needs air to burn. We breathe air. GRADE I Our Earth The earth is almost round. The earth is very large. The earth pulls everything on the earth toward it. Air surrounds the earth. Getting Ready for Seasonal Changes Certain changes tell of the ap- proach of winter. Animals and plants prepare for winter in different ways. Living things are more active at some seasons of the year than at others. Changing weather conditions help and hinder our work and play. We need all kinds of weather. Water and. Its Forms Water may be found in more than one form. Water evaporates into the air. Clouds are made of droplets of water. Water returns to the earth in the form of a solid or liquid. Water is essential to life. GRADE III Motions of The Earth The earth spins like a top (day and night). The earth travels around the sun. The Changing Earth Land is worn away in some places and is built up in other places. Running water changes the land. Moving air changes the land. We learn about some changes in the past from relics which cave dwellers left in their caves and from fossils found in the earth? Heat Heat comes from many sources. Heat travels through many things. Heat can be measured. Heat is necessary to life. The sun is our greatest source of heat. Making Work Easier Invention of tools and machines has combined forms of mat- ter and kinds of energy to make work easier. Animal energy helps do work. Natural forces help do work.