The Sun

True or False: The sun is a star.

• True

• False

True or False: The Sun is made mostly of hydrogen, helium, and oxygen.

• True

• False

True or False: The surface of the Sun is called the atmosphere.

• True

• False

True or False: The surface of the Sun is about 6,000 degrees Celsius, or close to 11,000 degrees Fahrenheit.

• True

• False

True or False: It would be overwhelming, and deadly, if sunlight were constant.

• True

• False

True or False: The Earth makes a full rotation every 72 hours.

• True

• False

True or False: The Sun's gravitational field causes nuclear fusion reactions.

• True

• False

True or False: The nuclear fusion reactions caused by the Sun do not produce enough energy to support all life on Earth. This is why we have to have other forms of energy.

• True

• False

True or False: If Earth was any closer to the Sun, it would melt.

• True

• False

True or False: If Earth was any farther from the Sun, it would freeze solid.

• True

• False