Motion of Celestial Bodies
Seasons
Moon Phases
Tides
Eclipses
100

The amount of time it takes for earth to rotate on its axis once.

One day

100

What is the first day of summer called?

Summer Solstice

100

How much of the moon is always lit by the sun?

Half

100

What force pulls on the earth and cases the ocean to bulge?

Moons gravity.

100

What type of eclipse is happening when the earths shadow covers the moon?

Lunar eclipse

200

The amount of time it takes the earth to revolve around the sun once.

365 1/4 days or one year

200

What is the first day of spring and fall called?

Spring and fall equinox

200

Which direction does the moon revolve around the earth?

Counter clockwise

200

How many high and low tides usually occur in the day?

Two

200

What type of eclipse is happening when the moons shadow is cast on the earth?

Solar eclipse

300

The amount of time it takes for the moon to revolve around the earth once.

27 days or one month.

300

What is true about the length of the day on the first day of winter?

The shortest day of the year.

300

What phase is the moon in when the entire lit half of the moon can be seen from earth?

Full Moon

300

What type of tides are happening when the earth sun and moon are all alligned?

Spring Tides

300

What phase is the moon in when a solar eclipse happens?

New Moon

400

Which motion of the earth cases the seasons?

The earth revolving around the sun.

400

How does the tilt of the Northern hemisphere in the summer compare to the tilt of the Northern hemisphere in the winter?

N. hemisphere tilts toward the sun in the summer and away from the sun in the winter.

400

When you can see more and more of the lit portion of the moon every night it is _____________

Waxing

400

What are the positions of the sun earth and moon when neap tides are happening?

The earth sun and moon form a 90 degree angle.

400

What phase is the moon in when a lunar eclipse happens?

Full moon

500

Which star in the Northers sky does not move?

North Star

500

How does the angle at which the suns rays hit the ground effect the temperature?

The more directly the suns rays hit the earth the more concentrated the energy is and the warmer the temperature.

500

What are the two phases of the moon called when half of the lit half of the moon is visible from earth?

1st and 3rd quarter moon.

500

What two phases can the moon be in when spring tides are happening?

Full and New moon

500

Why isn't there an eclipse every time there is a full or new moon?

The moon revolves around the earth at an angle.