Seasons Gizmo Part II

Part A: How do seasons compare in the Northern and Southern Hemispheres?Directions: A location’s latitude gives its distance north or south of the equator.1. On the DESCRIPTION pane, set the Latitude to 45.0° (45.0° N).2. Next, drag the slider at the bottom of the DESCRIPTION pane to set the date to JUNE 21 Respond to the questions below once you have the Gizmo set up. QUESTION SET 1A. Is the Northern Hemisphere tilted toward or away from the Sun?B. How much light is falling on the Northern Hemisphere compared to the Southern Hemisphere?C. Change the date to December 21. On this date, which hemisphere is receiving more sunlight? Respond to each question in the space below. Activity B Part 1: Solar Intensity - Why is it warmer in summer than in winter?Directions:1. Click Reset and make sure the Sim. speed slider is all the way to the left.2. Look up the latitude of Pittsburgh and set the latitude to this value. Question Set 2A. What is Pittsburgh's latitude?B. What is the temperature of a typical summer day in your Pittsburgh?C. What is the temperature of a typical winter day in your town? Respond to the questions in the space below. Activity B Part 2: ObserveDirections:1. Select the GRAPH tab. The Day graph shows solar intensity, or the amount of solar energy striking a location in an hour.2. Set the date to March 21, which is the spring equinox in the Northern Hemisphere.3. Click Play, and then Pause before 24 hours pass. Respond to the questions below. Question Set 3A. At what time of day is solar intensity greatest?B. What is the solar intensity at night?C. Why do you think the solar intensity follows this pattern? Respond to the questions in the space below. Activity B Part 3: Gathering DataDirections:1. Record the solar intensity at noon on March 21.2. Then record the times of sunrise (solar intensity begins to rise) and sunset (solar intensity returns to zero).3. Based on these times, calculate the hours of daylight.4. Repeat for each solstice and equinox. Use the chart below to fill in your data. Question Set 4A. What is the longest day of the year?B. Shortest?C. What do you think the word equinox means? Use the table to compare the hours of daylight on the equinoxes (March 21 and September 23) and solstices (June 21 and December 21).