Science Exam Prep

What is a Spring tide?

• a tide just after a new or full moon, when there is the greatest difference between high and low water.

• a tide just after the first quarter moon, when there is a very similar difference between high and low water.

• a tide just after the third quarter, when there is the least difference between high and low water.

• a tide just after the waning gibbous,when there is the least difference between high and low water.

What is a neap tide?

• a tide just after the first or third quarters of the moon when there is least difference between high and low water.

• a tide just before the first or third quarters of the moon when there is least difference between high and low water.

• a tide just after the waning gibbous when there is least difference between high and low water.

• a tide just after first or third quarters of the moon when there is greatest difference between high and low water

How old is the moon?

• 4.5 billion years aprox.

• 5.4 billion years aprox.

• 4.6 billion years aprox.

• 6.4 billion years aprox.

What is the order of the moon phases?

• new moon, waxing cresent, first quarter, waxing gibbous, full moon, waning gibbous,waning cresent, third quarter

• full moon, waxing cresent, first quarter, waxing gibbous, full moon, waning gibbous,waning cresent, third quarter

• new moon, waxing cresent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter, waning cresent

• new moon, waxing cresent, first quarter, waxing gibbous, full moon, waning cresent, waning gibbous, third quarter

What is an equinox?

• the time or date (twice each year) at which the sun vertically crosses the celestial equator, when day and night are of equal length (about 23 September and 24 March).

• the time or date (thrice each year) at which the sun crosses the celestial equator, when day and night are of equal length (about 22 September and 20 March).

• the time or date (twice a year) at which the sun goes horizontally across the celestial equator, when day and night are of equal length (about 23 September and 23 March).

• the time or date (twice each year) at which the sun crosses the celestial equator, when day and night are of equal length (about 22 September and 20 March).

What is a solstice?

• either of the three times in the year, the summer solstice and the autumn solstice and the winter solstice, when the sun reaches its highest or lowest point in the sky at noon, marked by the longest and shortest days.

• either of the two times in the year, the summer solstice and the winter solstice, when the sun reaches its highest or lowest point in the sky at noon, marked by the longest and shortest days.

• either of the two times in the year, the summer solstice and the winter solstice, when the sun reaches its middle point or shortest point in the sky at noon, marked by the shortest and most equal days.

• either of the four times in the year, the summer solstice and the winter solstice, autumn and spring, when the sun reaches its highest or lowest, equal and a 90 degrees point in the sky at noon, marked by the longest and shortest days.

What causes the four seasons?

_{(trick question)}

• the earths tilt and the orbit

• the earths tilt and the rotation

• the earths tilt and the revolution

• the earths tilt and the sun

How many time zones are there?

• 24 aprox.

• 26 aprox.

• 19 aprox.

• 27 aprox.

how many degrees is the earths tilt?

• 23.6 degrees

• 23.5 degrees

• 24 degrees

• 22.7 degrees

What is the difference between a solar eclipse and a lunar elcipse?

• A solar eclipse happens when the New Moon moves between Earth and the Sun while a lunar eclipse occurs when Earth casts a shadow on the Full Moon.

• A solar eclipse occurs when Earth casts a shadow on the Full Moon while a solar eclipse happens when the New Moon moves between Earth and the Sun.