The SUN

What is the size of the Sun?

• 1,000 kilometers

• 1 million kilometers

• 1.4 million kilometers

• 10 million kilometers

What is the mass of the Sun compared to Earth?

• 10,000 times

• 100,000 times

• 333,000 times

• 1 million times

What is the average distance between the Sun and Earth?

• 10 million miles

• 50 million miles

• 93 million miles

• 150 million miles

What is the source of the Sun's energy?

• Nuclear fusion

• Chemical reactions

• Burning of fossil fuels

• Solar panels

What is the average surface temperature of the Sun?

• 1,000 degrees Celsius

• 5,500 degrees Celsius

• 10,000 degrees Celsius

• 15,000 degrees Celsius

What is the temperature in the core of the Sun?

• 1 million degrees Celsius

• 5 million degrees Celsius

• 10 million degrees Celsius

• 15 million degrees Celsius

What type of radiation does the Sun emit?

• Visible light only

• Ultraviolet (UV) rays only

• X-rays only

• Visible light, UV rays, and X-rays

What is the Sun's role in supporting life on Earth?

• Providing water

• Providing oxygen

• Providing warmth, energy, and light

• Providing food

What causes sunspots on the Sun's surface?

• High temperatures

• Low temperatures

• Magnetic activity

• Solar flares

What are solar flares?

• Cooler regions on the Sun's surface

• Eruptions of intense energy on the Sun's surface

• Streams of charged particles emitted by the Sun

• Particles produced by nuclear reactions in the Sun's core