Earth Science Final Exam Study Guide 2024 1-50

The open universe model proposes that the universe will never stop _________?

• expanding

• shrinking

• rotating

• collapsing

A lunar eclipse occurs when Earth passes between the sun and moon.

• True

• False

Evidence suggests that the universe contains a great amount of _________.

• dark matter

• oxygen

• water

• carbon dioxide

Energy output from the surface of a star is called ________.

• luminosity

• opacity

• albedo

• parallax

Scientists believe that all of the outer planets have rings.

• True

• False

Constellations that can be seen all year long from a certain location are ________.

• circumpolar

• zodiacal

• seasonal

• ecliptic

Our solar system formed when a giant cloud of gas and dust collapsed under gravity.

• 5 billion years ago

• 500 million years ago

• 50 million years ago

• 500 billion years ago

The section of the H-R Diagram into which about 90 percent of stars fall is called ________.

• main sequence

• red giant branch

• white dwarf region

• horizontal branch

Johannes Kepler discovered three laws about the motion of the planets in our solar system. Which is one of Kepler's laws?

• Planets orbit the sun in ellipses

• Planets orbit the sun in perfect circles

• Planets remain stationary relative to the sun

• Planets orbit the sun at a constant speed

List the celestial features correctly in order of increasing size.

• planet -> star -> solar system -> galaxy -> galaxy cluster -> universe

• star -> planet -> solar system -> galaxy -> universe -> galaxy cluster

• planet -> solar system -> star -> galaxy cluster -> galaxy -> universe

• planet -> star -> galaxy -> solar system -> galaxy cluster -> universe