The Solar System

Objects and Planets in the Solar System

100

Small chunks of rock and metal debris in space are:

Meteoroids

200

What are small, rocky objects that orbit the Sun?

Asteroids

300

Comets are small objects of ____ and ____ that orbit the Sun.

ice and dust

Terrestrial Planets vs. Gas Giants

100

Gas giants are made of ________, whereas terrestrial planets are made mostly of __________

Gases, rock

200

Gas giants are __________ (smaller or larger) than Terrestrial Planets

larger

300

Which has an atmosphere? Terrestrial Planets or Gas Giants

Terrestrial Planets

Heliocentric vs. Geocentric

100

Heliocentric: ________ is the center of our universe

Geocentric: _________ is the center of our universe

The Sun

The Earth

200

Copernicus believed in the ___________(geocentric or heliocentric) model

Heliocentric

300

Ptolemy created a complicated _________ (geocentric or heliocentric) model

geocentric

The Copernican Revolution

100

Revolutionary ideas from Galileo and Kepler were hushed by _________ and ___________

religion, politics

200

Isaac Newton's theories of gravity increased understanding of the movement of ________

planets

300

Non-scientific opinions had to be proven ____________

mathematically

Kepler and Gods

100

Kepler found that planets move _____ when closer to the _____

faster, sun

200

The Greek Gods thought that planets were moved across skys by _______

Gods

300

Greek Astronomers observed and understood solstices, equinoxes, and ____________ of the moon

phases