Topic 1: Earth's Motion
True or False:
The Sun is the nearest star to Earth.
What is true?
True or False: The moon emits its own light.
What is false?
The moon reflects sunlight.
These are classified according to their location in the solar system.
What are planets?
This is what AU stands for in astronomy.
What is Astronomical Units?
True or False: Recently, people in Southern California were the first to observe constellations.
What is false.
Ancient Greeks, Romans, and other early cultures observed patterns of stars in the night sky called constellations.
Fill in the blank: A small part of this energy reaches Earth as _________ and thermal energy.
What is light?
Fill in the blank: The changing relative positions of the Moon, Earth and Sun cause the phases of the Moon, ______ and ______.
What are eclipse and tides?
This is the location of the asteroid belt in our solar system.
What is between the inner and outer planets?
True or False: Astronomer believe the solar system began 6.4 billlion years ago.
What is False.
The solar system began 4.6 billlion years ago.
Fill in the blanks: Characteristics used to classify stars include ________, temperature, size, composition and ___________.
What is color and brightness?
True or False: All parts of Earth’s surface receive the same amount of the Sun’s energy.
What is False?
This is the length of the lunar cycle.
What is 29.5?
This planet has a thin atmosphere causing extreme temperatures, strong winds and global dust storms.
What is Mars?
True or False: Mercury is a dwarf planet.
What is false?
True or False: Light travels at 300,000 km/day or about 9.5 trillion km in one year.
What is 300,000 km/s or about 9.5 trillion km in one year?
This is the day when Earth’s rotation axis is the most toward or away from the Sun.
This has large, round pits caused by impacts of meteoroids.
What are craters?
This planet's surface is made of frozen nitrogen and has geysers that erupt nitrogen gas.
What is Neptune?
This moves around the Sun in an oval-shaped orbit.
What is a comet?
True or False: After a star runs out of fuel, it becomes a white dwarf, a neutron star, or a galaxy.
What is False?
It becomes a white dwarf, a neutron star, or a black hole?
September (fall) equinox is September 22nd/23rd in the northern hemisphere. This is another name for Fall.
What is autumn?
Put these waxing phases in order according to our notes: Waxing Gibbous, First Quarter, Full Moon
What is First Quarter, Waxing Gibbous, Full Moon
This planet is similar in size to Earth.
What is Venus?
The definition of a meteoroid.
What is debris left by colliding asteroids or dispersing comets?
This has bulge in the middle and arms that spiral outward.
What is a spiral?