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PIHI SCI EIS Lesson 2
Introducing the Sun-Earth-Moon System
26
Science
8th Grade
02/13/2012

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Cards

Term
A star, and the largest body in the solar system?
Definition
Sun
Term
The Sun is __________ km in diameter
Definition
1,391,016
Term
A leap year occurs every _____ years?
Definition
4
Term
Planets _________ on their axes.
Definition
rotate
Term
The Earth's diameter is ......
Definition
12,756 km 
Term
How many Earth's would fit across the diameter on the Sun?
Definition
109
Term

The distance betwee the Moon and the Earth is how many Earth diamenters?

Definition
30
Term
The sun appears to be the same size as the moon because it is ______ times farther away and _______ times larger than the moon.
Definition
400
Term
The rotation of a planet on its axis determines a _________ on our calendar.
Definition
day
Term
The moon is approximately _______ the size of the Earth.
Definition
1/4
Term
The branch of science that studies the stars, planets, and other objects in space.
Definition
Astronomy
Term
The revolution of Earth around the Sun determines a ____________  on our calendar.
Definition
year
Term
The Sun is ___________ km from the Earth.
Definition
149,600,00
Term
Means earth centered. Everything revolves around the earth.
Definition
Geocentric
Term
A star with planets and other objects in orbit around it.
Definition
solar system
Term
Means sun centered.  Everything revolves around the sun.
Definition
Heliocentric
Term
The month on our calendar is based on ......
Definition
one revolution of the moon around the earth.
Term
Early people who observed the sky, kept records, and try to make sense of what they saw.
Definition
Ancient Skywatchers
Term
A rocky object that orbits a planet, a natural satellite.
Definition
natural satellite
Term
The Moon is _________ km from the Earth.
Definition
384,400
Term
A massive spherical space object that orbits a star and shines by reflecting light.
Definition
planet
Term
A sphere of hot glowing gases that releases energy in the form of heat and light.
Definition
Star
Term
The moon's diameter is ......
Definition
3,475 km.
Term
Earth takes how many days to orbit around the Sun once?
Definition
365 1/4
Term
The distance to the Sun in Earth Diameters.
Definition

11,727 or about 12,000 Earth Diameters


Term
The study that assumes and attempts to interpret the influence of the heavenly bodies on human affairs.  A false science. 
Definition
Astrology
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