General Astronomy
The force of attraction between objects in space.
What is gravity?
What happens during an eclipse?
Answer: One object in space blocks the light from another object.
Number of moon phases.
What is eight?
What natural event causes ocean tides on Earth?
Answer: The gravitational pull of the Moon.
What causes Earth to experience different seasons during the year?
Answer: Earth’s tilt on its axis as it orbits the Sun.
A collection of over 100 billion stars. We live in the milky way ________.
What is a galaxy?
Which type of eclipse occurs when the Moon blocks the Sun?
Answer: A solar eclipse.
Percentage of the moon that is always lit?
50%
Which object has the greatest effect on Earth’s tides: the Moon or the Sun?
Answer: The Moon.
Which season occurs when a hemisphere is tilted toward the Sun?
Answer: Summer.
The center of any solar system.
What is a sun/ star?
Which type of eclipse occurs when Earth’s shadow falls on the Moon?
Answer: A lunar eclipse.
The side of the moon that we cannot see.
What is the "dark side"?
What are tides called when the ocean has the greatest difference between high and low tide?
Answer: Spring tides.
Why do the Northern and Southern Hemispheres have opposite seasons at the same time?
Answer: Because Earth is tilted, so one hemisphere is tilted toward the Sun while the other is tilted away.
A large mass of ice and rock that orbits the sun. Often has a tail of ejected gases and dust.
What is a comet?
Why don’t eclipses happen every month?
Answer: Because the Moon’s orbit is tilted compared to Earth’s orbit around the Sun.
The tilt of the moons orbit compared to the orbital plane of earth around the sun.
What is 5o?
What type of tide occurs when the Sun, Earth, and Moon form a right angle?
Answer: Neap tides.
True or False: Seasons are caused because Earth is closer to the Sun in summer.
Answer: False.
An increase in an object's _______ causes an increase in gravity.
Mass
During which phase of the Moon does a solar eclipse occur?
Answer: New Moon.
Tide that earth experiences during lunar and solar eclipses.
What is a spring tide?
Why does Earth experience two high tides and two low tides each day?
Answer: Because Earth rotates under the Moon’s gravitational pull on both sides of the planet.
How does Earth’s axial tilt affect the length of daylight during different seasons?
Answer: It causes longer days in summer and shorter days in winter.