... on the graph represents no change The steeper the line segment rises to the right, the greater the slope of the segment, and the greater the increase in temperature Likewise, the steeper the ... 413 viii 19 EARTH SCIENCE WEATHER AND HEATING OF THE ATMOSPHERE 444 Weather / What Are the Elements of Weather? / How Does the Sun Warm Earth? / How Does Solar Energy Circulate Over Earth? Activities: ... (biology), physical science (physics and chemistry), and Earth science (See Figure 1-2.) Earth science generally applies the tools of the other sciences to study Earth, including the rock portion of Earth, ...