Download Quiz Chap. 16 Vocabulary

Quiz Chap. 16 Vocabulary
Name_______________________________ Date______________ Class________________
Heliocentric
Geocentric
Chromosphere
moon
core
star
ellipse
Kepler
Earth
Mercury
Galileo
sunspots
Photosphere
solar system
terrestrial
In a _ Geocentric _ system, Earth is at the center of the revolving planets and stars.
2. In a __ Heliocentric system, Earth and the other planets revolve around the sun.
3. _ Mercury
___ is the smallest and closest to the Sun of the eight planets in the Solar
System, with a revolution of about 88 Earth days.
4. _ solar system __consists of the sun, the planets and their moons, and several kinds of
smaller objects that revolve around the sun.
5. The four closest planets to the sun: Mercury, Venus Earth and Mars that are rocky, metal
and have few moons are called ___ terrestrial _____planets.
6. __ Kepler __ is an astronomer who found that the orbit of each planet is an ellipse.
7. A ___ moon ___is a natural satellite that revolves around a planet.
8. An elongated shape that is more oval than circular is an/a ___ ellipse ___.
9. _ Galileo ___ is an astronomer who used a telescope to make discoveries that supported
the heliocentric model.
10. The __ core __ is deep inside the sun where an enormous amount of energy is produced.
11. The ____ Photosphere ___is the inner layer of the suns atmosphere that is visible.
12. __ sunspots ____ are areas of gas on the sun’s surface that are cooler than the areas
around them.
13. The sun is a huge ball of glowing gas that heats our planet but is also considered to be a
medium sized ___star______.
14. Which planet has the ability to sustain life? ______Earth_____
1.
Bonus:
A. My revolution is 365 days, which planet am I? __Earth___
B. My color is red because of iron oxide in my soil, which planet am I? __Mars____
C. I am the hot during the day and cold at night because I do not have an atmosphere,
which planet am I? __Venus_________