Red giant

What happens to a star when it exhausts its hydrogen supply?

• It stops shining completely.

• It immediately explodes.

• It starts burning heavier elements.

• It becomes a black hole.

What is the result of the core collapsing and heating up in a star?

• The star's outer layers expand and cool.

• The star turns blue.

• The star's outer layers contract.

• The star becomes a supernova.

What color does a star typically become as its outer shell expands and cools?

• Orange to red

• Blue to white

• Purple to pink

• Green to yellow

What is the eventual fate of the sun as it becomes a red giant?

• It will shrink and become a white dwarf.

• It will expand and possibly engulf the Earth.

• It will explode as a supernova.

• It will turn into a black hole.

Which of the following is NOT a characteristic of a red giant star?

• It has a cool outer shell.

• It is smaller than its original size.

• It has expanded outer layers.

• It has an orange to red color.