Tides
What are the four types of tides?
High, Low, Spring, and Neap
Which moon phases last one day?
New moon, full moon, first and last quarter
What is the first element on the periodic table?
Hydrogen (H)
Where is the sun on the HR Diagram?
The middle (main sequence)
What is a meteor called when it hits Earth?
Meteorite
What two types of tides happen over a day?
High and Low
Which moon phases last 6 days?
Waning crescent, waxing crescent, waning gibbous, waxing gibbous
What is the main characteristic of the Noble Gases?
No reactivity
What kinds of stars are high in temperature but low in brightness?
White Dwarves
What formation separates Mars and Jupiter?
Asteroid belt
What causes tides?
The moon.
Which way does the moon revolve around the earth?
Counterclockwise
What are the characteristics of a physical change?
A change in physical state, no change in the identity and composition of the substance.
What does HR stand for?
Hertzsprung-Russel
How large does a star have to be for a supernova to take place?
8x the size of the sun or more
What is the tide when the sun and moon are pulling in different directions?
Neap tide
If there is a new moon on December 22nd, when is the next full moon?
January 8th
What are the characteristics of a chemical change?
Unexpected color/temperature change, precipitate, odor, new substance.
What color are the hottest stars?
Blue
What kind of star can be formed after a supernova?
Neutron stars
How many different tides happen over one revolution of the Moon? (From one new moon to the next)
67 (5 spring, 4 neap, 29 high, 29 low)
If there was a new moon on the first day of each month, without it being a leap year, which month would finish before the next new moon?
February
What is the last (most recent) element on the periodic table?
Oganesson (Og)
What type of stars are both high in temperature AND brightness?
Blue supergiants.
How do stars maintain their heat and brightness?
Nuclear fusion