Great question! Here’s how you can approach this task step by step: ### **Instructions:** #### 1. **Draw Tangent Lines** For each sunray (arrow), you need to draw a tangent line at the point where the arrow touches the Earth. A tangent line is a straight line that just touches the surface of a curve at one point (it doesn’t cross into the circle). #### 2. **Measure the Angle** Use a protractor to measure the angle between each sunray and its corresponding tangent line at the point of contact. --- ### **Why Do This?** - The **angle of incidence** (the angle at which sunlight strikes the Earth) affects how much energy a particular area receives. This is a key reason for the seasons! --- ### **How to Do This on Paper or Screen:** #### **Step-by-Step:** 1. **Print the image** (or use a ruler and protractor directly on your screen, if possible). 2. **At each point where an arrow (sunray) meets the Earth’s edge:** - Draw a straight line that just touches the Earth at that point. This is your tangent. 3. **Place the protractor** so that the tangent line is at 0° (the base line of the protractor). 4. **Measure the angle** between the sunray (arrow) and the tangent line. This is the angle of incidence. --- ### **Typical Results (What You Should Find):** - **Direct Sunlight (at the equator):** The angle will be close to 90°, meaning the sunray is nearly perpendicular to the surface. - **At higher latitudes (toward the poles):** The angle will be much less than 90°, meaning the sunray hits at a slant, spreading the energy over a larger area. --- ### **Example (Not Measured):** If you were to estimate: - **Middle arrow (equator):** About 90° - **Top arrow (near North):** About 45° - **Bottom arrow (near South):** About 45° **Note:** You will get more accurate answers by actually drawing and measuring with a protractor! --- If you want, I can provide a digital drawing to show where to place the tangent lines. Let me know if you need that!