Quiz on the Sun and Its Effects

What is the primary process through which the Sun emits light and heat energy?

• Chemical reaction

• Nuclear fusion

• Nuclear fission

• Thermal conduction

What are the primary gases that make up the Sun?

• Carbon dioxide and argon

• Hydrogen and helium

• Neon and krypton

• Oxygen and nitrogen

What temperature does the Sun's core reach?

• Billions of degrees Celsius

• Hundreds of degrees Celsius

• Thousands of degrees Celsius

• Millions of degrees Celsius

How does the Sun influence Earth's climate?

• By emitting sound waves

• By generating wind

• By radiating energy

• By creating magnetic fields

What crucial process for plant life is supported by the Sun's light?

• Transpiration

• Photosynthesis

• Decomposition

• Respiration

What role does solar radiation play in the water cycle?

• It causes freezing

• It drives evaporation and precipitation

• It purifies water

• It creates clouds

What type of harmful radiation can the Sun emit?

• X-rays

• Gamma radiation

• Ultraviolet (UV) radiation

• Infrared radiation

What protects Earth from harmful UV radiation?

• The magnetic field

• The ozone layer

• The hydrosphere

• The atmosphere

What health risk is associated with excessive exposure to UV radiation?

• Skin cancer

• Asthma

• Diabetes

• Heart disease

What is the Sun primarily composed of?

• Hot, glowing gases

• Frozen gases

• Liquid water

• Solid minerals