Models of the solar system & universe
Earth's cosmic (space) location
Comparing planets in earth's solar system
How science knowledge grows or changes
Meet the planets in earth's solar system
100

The heliocentric model places ___ at the center of the solar system.        a. earth            b. the sun              c. the milky way            d. the universe

b, the sun

100

Which of these is the galaxy that is home to earth?           a) Andromeda,  b) Antenna   c)  Milky Way                   d) Retrograda

c, milky way

100

Which of these Is NOT a rocky planet?  earth, jupiter, mars, venus, mercury

Jupiter (only the four planets closest to the sun are rocky or terrestrial planets)

100

What is the term used for an idea in science that is strongly supported by evidence collected over and over from many different scientists?  a.  hypothesis,  b.  guess, c. statement,   d. theory

theory
100

Which planet is the 3rd away from the sun?

Earth

200

The geocentric model places ___ at the center of the solar system.  a.  the earth         b.  the sun              c.  the universe         d.  the milky way galaxy

a, the earth

200

Place these in the correct order, from smallest to largest:

Milky way galaxy--earth--universe--solar system

earth--solar system--milky way--universe

200

Which of these are NOT among the four largest planets and all have rings, lots of planets, and non-solid gaseous or icy surfaces?

earth, jupiter, saturn, uranus, mars

earth--only the four planets farthest from the sun are gas giants

200

What must happen before scientists alter a model, like the geocentric model? 

a.  Scientists quit using it,  b)  Scientists discover new evidence or make new observations that disagree with the old model, c)  scientists come up with a more exciting idea.

b, scientists discover new evidence or make new observations that disagree with the old model

200

Which planet is closest to the sun and also the smallest?

Mercury

300

Who used his telescope to show that the geocentric model was incorrect, but that the heliocentric model was correct, because NOT all objects orbit the earth?  a.  Ptolomey       b)  Newton       c)  Galileo               d) Copernicus

c, Galileo

300

Place these in order from LARGEST to SMALLEST.

milky way galaxy--earth--universe--solar system

universe--milky way galaxy--solar system--earth

300

Which has the largest and most obvious ring system?

mars, earth, venus, saturn, mercury

saturn--only saturn is a gas giant and only gas giants have rings

300

Why did the geocentric solar system model get discarded and replaced with the heliocentric solar system model?  a.  Earth's orbit changed,  b)  telescopes provided new observations showing that not all objects orbit the sun, c) scientists lost interest in studying space, d) heliocentric theory is more interesting.

b)  telescopes provided new observations showing that not all objects orbit the sun

300

Which planet is hottest and also most similar in size to earth?

Venus

400

What is the name of the theory that explains how the universe began as one concentrated point that expanded outwards over time?     a)  geocentric model theory,  b)  heliocentric model theory   c) atomic model theory      d)  big bang theory

d, big bang theory

400

Earth is NOT part of which of these?  a.  solar system, b. the milky way,      c.  the universe, or                     d. the asteroid belt

d, the asteroid belt

400

Which planet is called the red planet, likely has underground water, and is fourth from the sun and 2nd smallest?

Mars

400

True or False.  A scientific theory is just some scientists rough guess for how the universe works.

False.  A scientific theory must be supported by abundant evidence from Many different scientists.

400

Which planet is farthest from the sun?

Neptune

500

When viewed by telescope, some stars have red shifted light and others have blue shifted light.  This supports the big bang theory since it shows that:  a) galaxies are moving away from each other,   b) planets orbit the sun, or c) the sun orbits the earth

a, galaxies are moving away from each other

500

Earth's solar system is located in the ______ :  

a.  Andromeda galaxy,    b) Milky way galaxy,              c. Antenna galaxy,        d)  Romulan Galaxy

b, Milky Way galaxy

500

What is allowed by temperature range that allows for liquid water, by its atmosphere having oxygen, and its temperatures that allow organisms to survive?

The ability to support life on the planet earth

500

When can a scientific theory change?  a.  They never do.   b. When it disagrees with ancient philosophers.  c. When any scientist has a different idea.   d. only when newly discovered evidence shows a problem with it.

d, only when newly discovered evidence shows a problem with it

500

Which is the largest planet in the solar system of Earth?

Jupiter