Planets
List the planets in order from closest to the sun to farthest away.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
Is the hottest planet
The millions of rocky objects revolving around the sun, mostly between Mars and Jupiter, that are too small to be planets are called
The force of gravity is greatest between two objects when masses are ___________ and objects are ____________
large; close
The time it takes for an object to go around the sun.
Revolution
What type of planets are described as: smaller, denser, and rocky
Inner Planets
What are the four inner planets of our solar system?
Mercury, Venus, Earth, Mars
Is the farthest planet
Neptune
The body at the center of our solar system is -
The sun
What could be described by this phrase: "Power Up: It provides energy to give Earth light and heat"
The sun
Place the solar system components in order from largest to smallest: Jupiter, Moon, Sun, Earth
Sun, Jupiter, Earth, Moon
Which planet is known as the Red Planet?
Mars
Is the biggest planet
Jupiter
What best describes why the moon orbits the Earth?
The gravitational attraction between the moon and Earth
Besides Earth, humans have also landed on which celestial object?
The moon
In 2006, the International Astronomical Union demoted which planet to dwarf planet status?
Pluto
The hard, rocky planet that is the smallest and closest to the sun is -
Mercury
What:
• is made of ice and dust
• travel in long elliptical orbits around the sun
• have tails that point away from the sun
Comets
If Earth began to rotate faster around the sun, then-
Earth's orbit would expand outward
Which invention helped prove the geocentric (Earth-centered) model of the universe wrong?
The telescope
Is known for its amazing rings
Saturn
Which two planets have no moons?
Mercury & Venus
An engineer is designing a new protective gear for astronauts aboard the International Space Station. After building a device, what should the engineer do?
Test the device to see improvements that could be made.
What would happen to Earth if the sun’s gravitational force suddenly stopped?
Earth would leave its orbit and travel in a straight line.
A student gathered research from various scientific texts about the diameter of each planet. What type of graph would best display this?
Bar graph