Eclipses
Moon Changes
Earth
Seasons
Puzzlers
100

Why aren't there solar and lunar eclipses every month? (EQ #15)

Moon orbits Earth on a 5 degree tilt. (EQ #15)

100

What are the two reasons we see moon phases?

(EQ #1)

1. The moon is 1/2 lit by the sun.

2. We only see the lit portion as it orbits Earth.

(EQ #1)

100

Which location on Earth receives the most direct sunlight? (EQ #20)

Equator (EQ #20)

100

What are the two reasons you know FOR SURE that distance to the sun does not cause seasons? (EQ #24)

1 There are two seasons on Earth at the same time.

2 Earth is actually closer to the sun when it is winter in the Northern Hemisphere. (EQ #24)

100

What comes before and after this phase? (EQ #10)

Before - Waxing Crescent (EQ #10)

After - Waxing Gibbous

200

Moon orbits Earth on a 5 degree tilt.

Why don't we have eclipses every month?

200

How long is 1 lunar cycle?

(EQ #3)

A lunar cycle is about 1 month.

(EQ #3)

200

What is the latitude of the Equator (EQ #19)

0 degrees (EQ #19)

200

What if Earth had no tilt? (EQ # 28)

Earth would have no seasons.  (EQ # 28)

200

Why do we only see one side of the moon? (EQ #11)

Moon orbits at the same rate it spins. (EQ #11)

300

What kind of eclipse is this? (EQ # 17)

Solar Eclipse (EQ #17)

300

Which phases of the moon appear less than 1/2 lit?

(EQ #4)

Crescent Moons

(EQ #4)

300

What is the latitude of the North Pole? (EQ #21)

90 degrees N. Latitude (EQ #21)

300

When is the sun lowest in the sky, when are shadows the longest, and when is the shortest day of the year?

Around Dec. 21 - the Winter Solstice. 

300

How do moon phases appear different in the Southern Hemisphere? 

Moon phases appear reversed.  

400

Which eclipse happens during New Moon phase?

Which eclipse happens during Full Moon phase?

Solar Eclipse

Lunar Eclipse

400

Which phases of the moon appear more than 1/2 lit?

(EQ #5)

Gibbous Moons

(EQ #5)

400

How long does it take Earth to orbit the sun one time? What is this period called?

365.25 days or 1 year

400

When it's Summer in the Northern Hemisphere, what season is it in the Southern Hemisphere? (EQ #29)

Winter (EQ #29)

400

What causes tides on Earth?

The Moon

500

What kind of eclipse is this? (EQ #16)

Lunar Eclipse (EQ #16)

500

Waxing means ______ and is lit on the _______

Waning means ______ and is lit on the _______

(EQ #6 & 7)

Growing - Right

Shrinking - Left

(EQ #6 & 7)

500

What is the angle of Earth's tilt? What does the axis always point toward?

23.5 degrees - the North Star (Polaris)

500

What is the first day of summer?

What is the longest day of the year?

When is the summer solstice?

Around June 21 - Summer Solstice

500

Why do we have an extra day in February every 4th year?

Leap Year. Earth takes 365.25 days to orbit the sun, so every 4th year we add .25 + .25 + .25 + .25 = 1 day