The Planets
The Stars
Tools used to Study
Vocabulary
Bonus
100
The name given to planets a long time ago because they seemed to move from one group of stars to another.
What is "wanderers"?
100
The bigger and hotter a star is, the more __________ it gives off.
What is light?
100
Spectroscopes identify what is in a star by doing this.
What is separate its light into color bands and dark lines?
100
A rocky body that orbits the sun like a planet.
What is an asteroid?
100
The sun is described as this.
What is an average sized star?
200
Models once had Earth as the center of the universe, since then they have placed this in the center.
What is the Sun?
200
This is not considered to be a property of a star.
What is its distance from Earth?
200
The focusing and magnifying of lights and images is done by these.
What are lenses and mirrors in telescopes?
200
The measurement used to determine the distances to the stars (it is the time light takes to travel in one year).
What is a light year? *It's numerical value is 9 trillion, 500 billion kilometers
200
Name three objects besides planets that orbit the sun.
What are comets, meteoroids, and asteroids?
300
Earth is the ____ planet from the sun.
What is third?
300
A stars color tells us this.
What is its temperature?
300
Telescopes are carried into space on these.
What are rockets?
300
This is when a telescope captures starlight and bends it to focus an image.
What is refracting?
300
When passing through the atmosphere, a meteoroid becomes this.
What is a bright meteor or "shooting star"?
400
The planets revolve the sun in this kind of pattern.
What is an elliptical?
400
Unlike in a constellation, stars in a galaxy are this.
What is relatively close together?
400
This causes a Telescope on Earth to produce a blurred image.
What is the atmosphere?
400
This is when a telescope uses mirrors to bounce light and form a clear image.
What is reflecting?
400
Name the effects the sun has on the Earth.
What is hold the Earth in orbit, affect the Ocean's tides, provide light and heat?
500
The asteroid belt is located between these two planets.
What are Mars and Jupiter?
500
This is what causes a star to glow.
What are nuclear reactions deep inside their core change matter into energy? (This amount of heat and light energy make the stars so hot they glow.)
500
This type of lens makes light rays spread apart.
What is concave?
500
The pull of the moon's gravity causes these.
What are ocean tides?
500
Name the scientist who claimed that Earth's orbit was elliptical.
Who is Kepler? *As scientists learned more about the solar system, they made new models.
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