Stars Test 5.12

Which statement is true about the sun?

• It is a star

• It is a planet close to Earth

• It is the largest star

• It is a moon

What is one thing that makes the sun different from the other stars?

• It is the largest star

• It is the farthest star

• It gives off the most heat energy

• It is the closest star to Earth

What is the sun made out of?

• fire and lava

• Hot glowing or burning gases

• magma

• flames

What energy does the sun give off?

• Light and heat

• Sound and heat

• Sound and light

Which of the following is true about the Sun?

• The Sun is the main source of energy for Earth.

• The Sun is a ball of gas.

• The Sun is a star.

• All of the above.

The color of the star tells us its 

• composition
• Temperature
• Luminosity 
• Mass

Which layer of the sun is the hottest?

• Photosphere
• Chromosphere
• Corona
• Core

The Sun's energy and composition is provided by which of the following?

• the burning of fossil fuels within the Sun

• solar power that produces electricity in the Sun

• the Sun's magnetic field

• the fusion of hydrogen into helium

The observed brightness of a star depends on which factors?

• the star's temperature, size, and composition

• the star's brightness, size, and distance

• the star's shape, distance, and size

• the star's composition, shape, and temperature

What tool helps us to see stars that are far away?

• thermometer

• telescope

• glasses

• spring scale