Midterm Material

Complete the sentence: Earth has seasons because ______________.

• is it closer to the sun in the summer and further away in the winter.

• it's axis is tilted as it revolves around the sun.

• some places are closer to the sun than others.

• the equator is constantly shifting.

Fill in the blank: The moon's revolution around Earth takes about _____________.

• 24 hours

• 27.3 days

• 29.5 days

• 365 days

Fill in the blank: Earth's rotation takes about ____________ hours.

• 12

• 24

• 48

• 365

Fill in the blank: A(an) ________________ occurs when neither end of the Earth's axis is pointed towards the sun. The day and night are both 12 hours.

• equinox

• seasons

• solstice

• summer

Which theory do scientists believe MOST LIKELY explains the creation of the universe?

• Big Bang Theory

• Radiation Theory

• Red Shift Theory

• Butterfly Effect Theory

Which model shows the SUN at the center of the solar system?

• Geocentric

• Heliocentric

• Eccentric

• Milky Way

Which model shows the EARTH at the center of the solar system?

• Geocentric

• Heliocentric

• Eccentric

• Milky Way

Which list is organized from LARGEST to SMALLEST?

• Planet - Solar System - Galaxy - Universe

• Solar System - Galaxy - Universe - Planet

• Universe - Galaxy - Solar System - Planet

• Planet - Galaxy - Solar System - Universe

Which LETTER points to the location of OUR solar system in the Milky Way galaxy?

• A

• B

• C

• D

Of the planets listed, which planets are often referred to as GAS GIANTS?

• Mercury, Venus, Earth, Mars

• Jupiter, Saturn, Uranus, Neptune