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Earth's Cycles

Day& Night and Seasons

QuestionAnswer
What causes the seasons to change on Earth? the Earth's tilt on it's axis
What is Earth's main source of light and heat? the sun
What does the moon revolve around? the Earth
What happens because the moon revolves around the Earth? The phases of the moon
What are the Phases of the moon? ( in order) New Moon, Waxing crescent, first quarter, waxing gibbous , Full Moon, waning gibbous, third quarter, waning crescent
How many hours are in a day? 24 hours
What causes day and night? The Earth rotating on its axis
About how many days does it take for the moon to complete a full cycle? 29 days
What causes changes in the Sun's position in the sky (sunrise, sunset)? Earth rotating on it's axis causes the sun to appear to change position
How is the length of a day on Earth determined? There are 24 hours in a day because that is the length of time it takes Earth to rotate on its axis.
How long is one revolution of the Earth? One year
How many hours between dawn and dusk? 12 Hours
What is a synonym for sunrise? Dawn
What is Synonym for sunset? Dusk
What season is it in South America if it is winter in North America? Summer- opposite hemispheres have opposite seasons
The moon's gravitational pull is responsible for Earth's __________ Tides
Created by: Mrs.Madison
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