A | B |
What is the difference between absolute magnitude and apparent magnitude? | the distance of the object |
How do we remember the order of planets? | MVEMJSUN |
Which planet is called earth's "twin"? | Venus |
What is the position of trhe sun, moon, and earth during a LUNAR eclipse? | Moon-Earth-Sun |
What is the position of the earth, moon, and sun during a SOLAR eclipse? | Earth-Moon-Sun |
What phases of the moon bring about the highest tides? | Full and New Moons |
What phases of the moon bring about Neap Tides? | 1st and 3rd Quarter Moons |
Why is the sun's core solid? | There is a great deal of pressure surrounding the core. |
What does a light year measure? | distance |
What causes the sun to lool like it rises and sets? | the rotation of the earth on its axis |
What happens to the temperature of gases when they rise in the troposphere? | they decrease or cool |
How does convection work? | Hot air or water rises and cool air or water sinks |
What states of matter does convection occur in? | gas and liquid |
What is rotation? | movement on the axis |
What is revolution? | movement around the sun |
What happens to the weather in windward conditions? | wind forces air up causing clouds and rain |
What happens in leeward conditions? | dry air creates nice, dry conditions |
What is fusion? | The combining of molecules to make new, heavier molecules. |
Where does fusion occur? | in the core of stars |
Examples of fossil fuels are __________. | oil, gas, coal |
What is the life cycle of a massive star? | nebula-main sequence-supergiant-supernova-black hole or neutron star |
What gases make up stars? | hydrogen and helium |
What is the main gas in a star? | hydrogen |
Explain land and sea breezes. | It is when convection switches from land (during the day) to the ocean at night...it changes breeze direction |
What are 3 pieces of evidence for the Big Bang Theory? | doppler shift, light elements, background radiation |
Scientists believe that dinosaurs became extinct because _________. | an asteroid hit earth |