To solve the problem and explain the solution, let's analyze the image step by step. The image provides a comprehensive overview of the
Electromagnetic Spectrum, including its various regions, wavelengths, frequencies, and their interactions with Earth's atmosphere.
Key Elements in the Image:
1.
Regions of the Electromagnetic Spectrum:
- Radio
- Microwave
- Infrared
- Visible
- Ultraviolet (UV)
- X-ray
- Gamma ray
2.
Wavelengths:
- Represented on a logarithmic scale from \(10^0\) meters (1 meter) to \(10^{-12}\) meters.
- Each region corresponds to a specific range of wavelengths.
3.
Frequency:
- Frequency is inversely proportional to wavelength (\(f = \frac{c}{\lambda}\), where \(c\) is the speed of light).
- Shown on a linear scale from 1 KHz to 10 MHz.
4.
Penetration of Earth's Atmosphere:
- Indicates which parts of the spectrum can penetrate the Earth's atmosphere.
- Marked as "Y" (Yes) or "N" (No).
5.
Size Comparison:
- Compares the size of objects (e.g., buildings, humans, honey bees, etc.) to the wavelengths.
6.
Temperature of Emitting Bodies:
- Indicates the temperature of bodies that emit radiation at specific wavelengths.
---
Task: Solve the Problem
The task appears to be related to understanding which parts of the electromagnetic spectrum can penetrate the Earth's atmosphere. This is indicated by the question:
"Penetrates the Earth’s Atmosphere?"
#### Step-by-Step Solution:
1.
Identify the Regions Marked "Y" (Yes):
- From the image, the regions marked "Y" are:
-
Radio
-
Microwave
-
Visible
-
X-ray
-
Gamma ray
2.
Understand Why These Regions Penetrate:
-
Radio and Microwave: These have long wavelengths and low frequencies, allowing them to pass through the Earth's atmosphere relatively easily.
-
Visible Light: This is the part of the spectrum that our eyes can detect. It penetrates the atmosphere because it is not absorbed significantly by atmospheric gases.
-
X-ray and Gamma ray: These have very short wavelengths and high frequencies. While they are partially absorbed by the atmosphere, some can still penetrate, especially at higher altitudes.
3.
Regions Marked "N" (No):
-
Infrared: Most infrared radiation is absorbed by water vapor and other gases in the atmosphere.
-
Ultraviolet (UV): Much of the UV radiation is absorbed by the ozone layer, protecting life on Earth.
4.
Conclusion:
- The regions that penetrate the Earth's atmosphere are
Radio, Microwave, Visible, X-ray, and Gamma ray.
---
Final Answer:
\[
\boxed{\text{Radio, Microwave, Visible, X-ray, Gamma ray}}
\]
This solution is based on the information provided in the image and the understanding of how different wavelengths interact with the Earth's atmosphere.
Parent Tip: Review the logic above to help your child master the concept of wavelength worksheet.
