Models and More
Gravity and Inertia
Inner and Outer Planets
CAM
A Mix of Everything
100


  1. What is the geocentric model and who proposed this theory?


Geocentric model states that the earth is at the center of the universe and Ptolemy proposed this theory.

100

17) What would happen if there were no gravitational forces acting on the moon?


It would continue at a constant speed in a straight line through space.


100

12) What planet allows water to freeze and melt and thus sustains life?


Earth

100

7) What is the origin of an asteroid?


Main asteroid belt - located between Mars and Jupiter


100

10) Which of the following answer choices correctly explains the way planets revolve around the sun? 


 




B. Planets further from the Sun have slower orbital speeds and longer periods of revolution because of the Sun’s gravity. 

200

3) What is the heliocentric model and who proposed this theory?


The Heliocentric model states that the sun is at the center of the universe and Copernicus proposed this theory.

200

13) Does the sun have more gravitational pull on Neptune or the Earth? Explain your answer.

Earth because the earth is closer to the sun.


200

4) What do the four inner planets have in common?

They are smaller planets, have rocky surfaces and thin atmospheres.


200

8) What is the origin of a comet?


Kuiper Belt and Oort Cloud

200

27) Which number describes an asteroid?


1. 

300

26) Draw the heliocentric and geocentric models in the space to the right.


Heliocentric 

Geocentric 

300

11) Which part of the model shows gravity?


B. String

300

2) What do the four outer planets have in common?



They are larger than earth and gaseous planets.

300

9) What is the origin of a meteoroid?


Comets or asteroids

300

What's 12 x 11?

121

400

25)  Which question, if answered, will BEST help you predict how the model of the Milky Way will look in the future?


B. How will the Milky Way continue to move outward as a result of the Big Bang?


400

6) Your teacher demonstrated the moon going around the earth using a ball on the string.  What force was represented by the string?


Gravity

400

16) Students constructed a model of the solar system and they used fruit to represent the planets.  If Venus is the size of a grape, which of the following fruits would represent earth?

Honeydew, Cantaloupe, lemon, lime or grape


Grape because Venus is earth’s twin in regards to size


400

19) What is the difference between an asteroid and a meteoroid?


The size of their bodies.  Meteoroids are usually much smaller than asteroids.


400
What does the asteroid belt separate?

The inner and outer planets


500

What type of Galaxy is the Milky Way and where are we located in it?


A spiral galaxy and on the outer arm on the lower left

500

21) Based on the chart below, what planet has the highest density? 


Earth has the highest density at 5,520 higher than the gas giants.


500

20) A scientist made the data table below to explain two space objects he found. Label the two objects.


A-Outer planets

B- Inner planets


500

24) Which of the following questions would BEST confirm that the object is a meteor?


A. Did this object burn up in the mesosphere?


500

Who provided evidence to support the heliocentric theory? 

Kepler and Galileo 

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