Show:
Earth
Earth and Sun
Earth and Moon
Moon
Moon Phases
100
This word describes the spin on a planet on its axis
What is rotation
100
During the winter the Earth's axis is tilted _______ from the sun.
What is away
100
What is the effect of the moon moving around the Earth?
What is the shape of the Moon appears to change from day to day.
100

Tides are caused by..

the pull of gravity by the sun and moon

100
Tonight I saw a waxing quarter Moon. Tomorrow night I will see.
What is a waxing gibbous moon.
200
How long does it take for Earth to complete one rotation?
What is one day or 24 hours
200

What shape do the planets orbit around the sun?

ellipse

200

Which two factors determine how strong gravity is ?

mass and distance

200

Which of these is the darkest part of the shadow of an eclipse?

Umbra

200
Tonight I saw a waning quarter moon. Tomorrow night I will see.
What is a waning crescent.
300
The rotation of Earth on its axis causes this.
What is day and night.
300

It takes 365 and 1/4 days for earth to do a _______ around the sun

Revolution

300
This phase occurs when the lit half of the Moon is facing away from Earth.
What is New Moon.
300

True or false? Depending on the time of the month we can see either the near side of the moon or the far side

False

300
Tonight I saw a waxing crescent moon. What will I see tomorrow night?
What is a waxing quarter moon.
400

What is the main cause of seasons on earth?

Earths tilt on its axis

400
Why does the North Pole have 24 hours of daylight during the summer solstice?
What is the Earth's axis is titled toward the sun.
400

Why are eclipses rare?

The moon's revolution is tilted and hard to line up with all the space in between the objects

400

Which of these occurs when the moon moves into the earth's shadow?

Lunar Eclipse

400
How do we describe a moon that appears to be getting smaller
What is waning.
500

What is the difference between the heliocentric and geocentric models of the solar system?

Sun at the center vs Earth at the center.

500

What is the force called that keeps the earth orbiting the sun and the moon orbiting the earth?

gravity and inertia

500
How do we describe a moon that appears to be getting bigger?
What is waxing.
500
The moon appears to be giving off moonlight. What causes this?
What is reflection of light from the sun.
500

The lunar phase cycle take____ days and the time it takes for the moon to revolve around earth is ____ days

29.5 and 28