The length of a football field is 100 yards. When you compare geologic time (4.6 billion years) to the length of a football field, you will find that each yard on the field will equal 46 million years, and each 10-yard section will equal 460 million years. Use this information to complete the activity below.

Create a digital model of a football field. Starting at the left and moving forward in time, label the
10-yard lines in years. Using different colors, draw a horizontal line to mark the beginning and
End of each of the following periods and eras [note that the years have been rounded up for this activity]:

• Cenozoic era (65 MYA to present)
• Triassic (245‒208 MYA), Jurassic (208‒146 MYA), and Cretaceous (146‒65 MYA)
Periods
• Paleozoic era (570‒245 MYA)
• Proterozoic era (2,500‒570 MYA)
• Archean era (3,800‒2,500 MYA)
• Hadean era (4,600‒3,800 MYA)

Your model should be divided into 10 equal parts. Each part represents 460 million years.

Place the different eras in their appropriate places. For instance, the Cenozoic era will be about 14% of the first part.

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don't understand what im supposed to do

My stepson has this same questions through his home school. Help

To create a digital model of a football field and label the 10-yard lines in years, you can use any software or tool that allows you to create a visual representation and add labels. Here's a step-by-step guide on how to do it using Microsoft PowerPoint:

1. Open Microsoft PowerPoint or any alternative software.
2. Create a new blank slide or select a blank template.
3. Draw a rectangle shape to represent the football field. Adjust its dimensions to fit the slide.
4. Divide the football field into equal sections to represent each 10-yard line. You can use rectangles or lines to mark the sections.
5. Label each 10-yard section with the corresponding years. Starting from the left side and moving forward in time, calculate the years for each 10-yard line using the given conversion rate (1 yard = 46 million years).
- For example, for the first 10-yard section (0-10 yards), the time range would be 0-460 million years.
- The second 10-yard section (10-20 yards) would be 460-920 million years, and so on.

Once you have the digital model of the football field with labeled 10-yard lines in years, you can proceed to draw horizontal lines to mark the beginning and end of each period and era using different colors. Here are the time ranges for each era and period:

- Cenozoic era (65 MYA to present): Draw a horizontal line starting at the 65-yard line (65 MYA) and extend it to the right end of the football field.
- Triassic period (245-208 MYA), Jurassic period (208-146 MYA), and Cretaceous period (146-65 MYA):
- Draw a horizontal line starting at the 24.5-yard line (245 MYA) and end it at the 20.8-yard line (208 MYA) for the Triassic period.
- Draw another horizontal line starting at the 20.8-yard line (208 MYA) and end it at the 14.6-yard line (146 MYA) for the Jurassic period.
- Draw a final horizontal line starting at the 14.6-yard line (146 MYA) and end it at the 6.5-yard line (65 MYA) for the Cretaceous period.
- Paleozoic era (570-245 MYA):
- Draw a horizontal line starting at the 57-yard line (570 MYA) and end it at the 24.5-yard line (245 MYA).
- Proterozoic era (2,500-570 MYA):
- Draw a horizontal line starting at the 250-yard line (2,500 MYA) and end it at the 57-yard line (570 MYA).
- Archean era (3,800-2,500 MYA):
- Draw a horizontal line starting at the 380-yard line (3,800 MYA) and end it at the 250-yard line (2,500 MYA).
- Hadean era (4,600-3,800 MYA):
- Draw a horizontal line starting at the 460-yard line (4,600 MYA) and end it at the 380-yard line (3,800 MYA).

Make sure to use different colors for each line to differentiate the periods and eras. You can also add labels for each line to indicate the names of the periods and eras.

By following these steps, you will have created a digital model of a football field labeled with the corresponding years and marked with horizontal lines representing the different periods and eras in geologic time.