Unit F: The Sun as a Star

1. The main source of energy on Earth is:

• The Moon

• The Sun

• The stars

• Cosmic rays from the galaxy

Tags

NGSS.HS-ESS1-1

The Sun’s energy comes from:

• Photosynthesis in plants

• The breakdown of heavy elements into light elements

• The fusion of hydrogen into helium

• The fusion of oxygen into carbon

Tags

NGSS.HS-ESS1-1

The Sun has existed for about five billion years and will continue to shine for about another:

• One billion years

• Five billion years

• Ten billion years

• Twenty million years.

Tags

NGSS.HS-ESS1-1

Radiation from the Sun:

• Streams past Earth without affecting Earth

• Warms Earth, causing circulation in the oceans and atmosphere

• Is completely stopped by Earth’s magnetic field

• Does not reach as far as Mars

Tags

NGSS.HS-ESS1-1

Charged particles coming from the Sun are part of what is called the:

• Solar wind

• Great Red Spot

• Solar polar cap

• Coma

Tags

NGSS.HS-PS4-3

Cool, dark areas on the surface of the Sun are known as:

• Great dark spots

• Polar caps

• Freckles

• Sunspots

Which of the following statements about the solar system is not true?

• The planets all orbit in more-or-less the same plane

• The planets all orbit the Sun in the same direction

• The orbits of the major planets are nearly perfect circles

• The planets formed before the Sun

Tags

NGSS.HS-ESS1-4

Charged particles from the Sun can strike the upper atmosphere, causing it to glow in a colorful display called the:

• Aurorae

• Solar wind

• Solar cycle

• Ion tail

Tags

NGSS.HS-PS4-3

The Sun is a huge ball of mostly what kind of gas?

• Lithium

• Helium

• Methane

• Hydrogen

The number of sunspots on the Sun changes in relation to the Sun’s magnetic cycle.

• True

• False