Tides
Earth Stuff
Shadows
Moon Phases and Eclipses
This and That
100

The Moon's gravitational pull.

What is the primary cause of tides?

100

23.5 degrees

How many degrees does Earth's tilt on its axis?

100

During this time of year, shadows are longer.

How long are shadows in the winter?

100

Because the Moon reflects light from the Sun.

Why does the Moon appear illuminated at night?

100

This is the main source of energy on Earth.

What is the Sun?

200

This type of tide occurs during the first and third quarter moon phases.

When do neap tides occur?

200

400 times bigger and 400 times further away.

How does the Sun's distance and size compare to the Moon?

200

It would be summer in the southern hemisphere. 

What season is it in the southern hemisphere when it's winter in the northern hemisphere?

200

During this phase, half of the Moon is illuminated on the right side.

What is the first quarter Moon phase?

200

For this to happen, we had to set the radiometer at a greater distance.

How did we slow down the radiometer spin in our lab?

300

This type of tide occurs when the Sun, Earth, and Moon are all aligned.

When do spring tides occur?

300

When Earth turns on its axis, it causes this to occur. 

What causes night and day on Earth?

300

We would experience hotter weather all year round at this location. 

What type of weather do we experience when we're near the equator?

300

When more than half of the Moon is illuminated on the left hand side. 

What is the waning gibbous phase?

300

It would look like this.


What does a solar eclipse look like?

400

During this phase of the Moon, low tides are not so low.

What type of low tides occur during a first or third quarter Moon phase?

400

We do this because there are not exactly 365 days every year. 

Why do we have leap years?

or

Why do we add an extra day to the calendar every four years? 

400

Shadows are at their shortest at noontime at this time of year.

What is summer?

400

This phase occurs when less than half of the Moon illuminated on the right and side.

What is the waxing crescent phase?

400

It would appear due south at its highest altitude at midnight in the northern hemisphere.

Where would a Full Moon appear at midnight?

500

Because it takes the Earth time to catch up to the Moon's original position in its orbit.

Why do high or low tides occur later around the same time the next day?

500

By the Earth rotating on its axis, the Sun appears to do this. 

Why does the Sun appear to move across the sky?

500

Shadows show their greatest contrast in length during this time of year. 

What is summer?

500

During this eclipse, the Moon is completely in the Earth's shadow.  

What is a Lunar Eclipse? 

500

THE DAILY DOUBLE (Value X 2)

It could occur as soon as 2 weeks later. 

How long after a lunar eclipse could a solar eclipse occur?

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