Unit 6 tests

Which of the following is not a form of celestial navigation?

• North celestial pole

• South celestial pole

• Celestial tropics

• Celestial equator

What season is the vernal equinox?

• winter

• spring

• summer

• fall

which season is the autumnal equinox?

• winter

• spring

• summer

• fall

what is the definition of horizon?

• The boundary between earth and sky

• The point directly above

• The dome of stars visible overhead

• The location of the equinoxes

What are the two things needed for finding stars?

• mass and density

• longitude and latitude

• star classification and color

• direction along and altitude above the horizon

How many degrees is the Earth's axis tilted?

• 24.3

• 23.5

• 20.5

• 30.4

What two things cause seasons?

• distance from moon and lunar phases

• tilted axis and orbit

• rotation and revolution

• tilted axis and solar isolation

During the summer we experience:

• Longer days

• Cooler days

• Shorter days

• Partial days

During the winter we experience:

• Major days

• Longer days

• Warmer days

• Shorter days

True or false? The earth's distance from the sun creates the seasons.

• True

• False