Solar Radiation and Its Impact on Earth
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Questions and Answers

What are the three major types of solar radiation?

  • Yellow, UV, red
  • Visible, ultraviolet, infrared (correct)
  • Red, green, violet
  • Blue, indigo, orange

Which type of light is categorized as infrared?

  • Violet light
  • Green light
  • Red light (correct)
  • Yellow light

What does ultraviolet light mean?

  • Before red
  • Before blue
  • Beyond violet (correct)
  • Between green and blue

How is incoming solar radiation measured?

<p>Kilowatt hours per square meter (A)</p> Signup and view all the answers

What is the lowest frequency visible light?

<p>Red (D)</p> Signup and view all the answers

Which type of light has a wavelength before red?

<p>Infrared light (A)</p> Signup and view all the answers

What is the highest frequency visible light?

<p>Violet (A)</p> Signup and view all the answers

Which type of light is defined as beyond violet?

<p>'Ultraviolet' (C)</p> Signup and view all the answers

What are the major energy sources for planet Earth?

<p>'Solar, wind, and hydro' (C)</p> Signup and view all the answers

'Infrared' light falls within which wavelength range?

<p>'2.5 micrometers - 750 nanometers' (C)</p> Signup and view all the answers

What is the distance that light travels in one year called?

<p>Light-year (D)</p> Signup and view all the answers

Which of the following telescopes uses lenses to produce images?

<p>Refracting telescopes (B)</p> Signup and view all the answers

What is the name of the device used to measure the spectra of celestial objects?

<p>Spectrograph (D)</p> Signup and view all the answers

What is the study of patterns of spectral lines emitted by chemical substances called?

<p>Spectroscopy (D)</p> Signup and view all the answers

Which of the following statements about emitted light is true?

<p>Emitted light is from an object that is generating its own light. (D)</p> Signup and view all the answers

Which of the following is NOT part of the Solar System?

<p>Galaxies (D)</p> Signup and view all the answers

What is the largest planet in our Solar System?

<p>Jupiter (A)</p> Signup and view all the answers

What is a galaxy?

<p>A collection of stars and their solar systems held together by gravity (D)</p> Signup and view all the answers

What is the Universe?

<p>All of space, matter, energy, and time (D)</p> Signup and view all the answers

What is the shape of most galaxies?

<p>All of the above (D)</p> Signup and view all the answers

Which of the following is NOT one of the Sun's inner layers?

<p>Photosphere (B)</p> Signup and view all the answers

What is the process that provides the Sun with its energy?

<p>Nuclear fusion (B)</p> Signup and view all the answers

Which of these planets is NOT considered a terrestrial or inner planet?

<p>Jupiter (D)</p> Signup and view all the answers

What is the approximate distance between the Sun and Earth?

<p>$1.496 \times 10^8$ km (C)</p> Signup and view all the answers

Which layer of the Sun can be seen during a total solar eclipse?

<p>Corona (B)</p> Signup and view all the answers

What are sunspots caused by?

<p>Increased magnetic flux (A)</p> Signup and view all the answers

Which planet is known for its red color?

<p>Mars (C)</p> Signup and view all the answers

Which of these is NOT a characteristic of the terrestrial planets?

<p>Gaseous compositions (A)</p> Signup and view all the answers

What separates the inner and outer solar system?

<p>The asteroid belt's frost line (D)</p> Signup and view all the answers

Which planet is the only one that spins in a clockwise direction?

<p>Venus (A)</p> Signup and view all the answers

What is the primary cause of wind on Earth?

<p>Unequal heating of the Earth's surface by the sun (D)</p> Signup and view all the answers

What is the primary source of energy for the water cycle?

<p>The sun's energy (D)</p> Signup and view all the answers

What is an astronomical unit (AU)?

<p>The average orbital distance of the Earth from the Sun (D)</p> Signup and view all the answers

What is the primary cause of the greenhouse effect on Earth?

<p>The presence of greenhouse gases in the atmosphere (B)</p> Signup and view all the answers

What is the primary reason for the existence of seasons on Earth?

<p>The Earth's tilt on its axis causes different parts of the Earth to receive different amounts of sunlight (D)</p> Signup and view all the answers

What is the primary reason for the existence of ocean currents on Earth?

<p>The unequal heating of the Earth's surface by the sun (C)</p> Signup and view all the answers

What is the primary factor that determines the amount of solar energy received by different parts of the Earth?

<p>The Earth's tilt on its axis (A)</p> Signup and view all the answers

What is the primary method for reducing the enhanced greenhouse effect and global warming?

<p>Using less fossil fuels and more renewable resources (D)</p> Signup and view all the answers

What is the primary reason for the existence of convection cells in the atmosphere and oceans?

<p>The unequal heating of the Earth's surface by the sun (B)</p> Signup and view all the answers

What unit is commonly used to measure astronomical distances outside the solar system?

<p>Light years or parsecs (B)</p> Signup and view all the answers

What is the primary reason for the existence of seasons on Earth?

<p>The tilt of the Earth's axis (A)</p> Signup and view all the answers

What is the primary cause of the greenhouse effect on Earth?

<p>Trapping of heat by greenhouse gases in the atmosphere (C)</p> Signup and view all the answers

What is the primary method for reducing the enhanced greenhouse effect and global warming?

<p>Reducing the use of fossil fuels and increasing the use of renewable resources (C)</p> Signup and view all the answers

What is the primary factor that determines the amount of solar energy received by different parts of the Earth?

<p>The tilt of the Earth's axis (B)</p> Signup and view all the answers

What is the primary source of energy for the water cycle?

<p>Solar energy from the Sun (A)</p> Signup and view all the answers

What is the primary reason for the existence of wind on Earth?

<p>Unequal heating of the Earth by the Sun (C)</p> Signup and view all the answers

What is the primary reason for the existence of ocean currents on Earth?

<p>Differences in salinity and temperature (C)</p> Signup and view all the answers

What is the primary source of energy for planet Earth?

<p>Solar energy from the Sun (B)</p> Signup and view all the answers

What is the primary reason for the existence of convection cells in the atmosphere and oceans?

<p>Differences in air or water density due to temperature and salinity variations (B)</p> Signup and view all the answers

What is the primary method used to measure incoming solar radiation?

<p>Radiometry (A)</p> Signup and view all the answers

What is the range of wavelengths that define infrared light?

<p>2.5 micrometers to 750 nanometers (B)</p> Signup and view all the answers

Which of the following is the correct order of visible light frequencies from lowest to highest?

<p>Red, orange, yellow, green, blue, indigo, violet (C)</p> Signup and view all the answers

What is the typical unit used to measure incoming solar radiation?

<p>Both B and C (D)</p> Signup and view all the answers

What is the primary reason for the existence of seasons on Earth?

<p>The Earth's tilt as it orbits the Sun (D)</p> Signup and view all the answers

Which of the following statements about solar radiation is true?

<p>It is a form of electromagnetic waves, including light (B)</p> Signup and view all the answers

What are the three major types of solar radiation?

<p>Visible, infrared, and ultraviolet (D)</p> Signup and view all the answers

What is the range of wavelengths that define ultraviolet light?

<p>1-400 nanometers (C)</p> Signup and view all the answers

What is the primary source of energy for planet Earth?

<p>Nuclear fusion reactions in the Sun's core (B)</p> Signup and view all the answers

What is the term used to describe light with a lower frequency than visible light?

<p>Infrared (C)</p> Signup and view all the answers

What is the term used to describe light with a higher frequency than visible light?

<p>Ultraviolet (D)</p> Signup and view all the answers

What is the primary composition of the Sun?

<p>Helium and hydrogen (C)</p> Signup and view all the answers

Which layer of the Sun produces energy through nuclear fusion?

<p>The core (C)</p> Signup and view all the answers

What is the visible surface of the Sun called?

<p>The photosphere (D)</p> Signup and view all the answers

What causes sunspots on the Sun's photosphere?

<p>Increased magnetic flux (B)</p> Signup and view all the answers

Which planet in our solar system has no atmosphere or moons?

<p>Mercury (C)</p> Signup and view all the answers

Which planet is known for spinning in a clockwise direction?

<p>Venus (B)</p> Signup and view all the answers

What percentage of Earth's surface is covered by water?

<p>70% (C)</p> Signup and view all the answers

Which planet is often referred to as the 'Red Planet'?

<p>Mars (B)</p> Signup and view all the answers

How many moons does Mars have?

<p>2 (C)</p> Signup and view all the answers

What separates the inner and outer solar system?

<p>A frost line at the asteroid belt (B)</p> Signup and view all the answers

What is the primary function of a spectrograph?

<p>To measure the spectra of celestial objects (D)</p> Signup and view all the answers

Which of the following statements about light is true?

<p>Emitted light is generated by an object itself, while reflected light bounces off objects. (B)</p> Signup and view all the answers

What is the primary purpose of a charge-coupled device (CCD) in astronomy?

<p>To detect and measure light from celestial objects (D)</p> Signup and view all the answers

Which type of telescope uses a combination of lenses and mirrors to produce images?

<p>Compound telescope (B)</p> Signup and view all the answers

What is the primary reason for the existence of spectral lines in the spectrum of a celestial object?

<p>They indicate the object's chemical composition (C)</p> Signup and view all the answers

What is the primary advantage of using different types of telescopes to study celestial objects?

<p>It allows for the study of objects across the entire electromagnetic spectrum (A)</p> Signup and view all the answers

What is the primary factor that determines the shape of a galaxy?

<p>The gravitational forces within the galaxy (B)</p> Signup and view all the answers

What is the primary reason for the existence of ocean currents on Earth?

<p>Differences in water density (B)</p> Signup and view all the answers

What is the primary source of energy for the water cycle on Earth?

<p>Solar radiation (D)</p> Signup and view all the answers

What is the primary factor that determines the amount of solar energy received by different parts of the Earth?

<p>The angle of the Sun's rays (B)</p> Signup and view all the answers

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