Closest planet to the Sun.
What is Mercury?
The four terrestrial planets are know for having this similarity.
What are rocky surfaces?
True/False:
Your weight on other planets is the same as it is on Earth.
False!
Objects in space that range in size from dust grains to small asteroids
What is a meteor?
A natural force of attraction exerted by one object on another object.
What is Gravity?
The planet fourth from the Sun.
What is Mars?
Planets rotate on an ________.
What is Axis?
The force that governs all planetary movement in the solar system.
What is Gravity?
Found in between the orbits of Mars and Jupiter.
What is the asteroid belt?
The envelope of gases surrounding the Earth or another planet.
What is Atmosphere?
The object with the greatest gravitational pull in our solar system.
What is the Sun?
According to Isaac Newton, the planets stay in orbit because of these two laws of motion. (Think about our gravity lab)
What are Gravity and Inertia?
How does the distance between two objects affect the force of gravity?
The closer the objects are, the stronger the gravitational pull.
Cosmic snowballs of frozen gases, rock and dust that orbit the Sun
What is a comet?
Gas giant with visible rings.
What is Saturn?
The period of time it takes a planet to go around the Sun.
What is Revolution?
Planet with 2/3 of the surface covered by water.
What is Earth?
How does the mass of an object affect gravity?
The bigger it is, the more gravity it has.
Another word for a rocky object orbiting a planet.
What is Moon?
Name the 4 Inner Planets.
What is Mercury, Venus, Earth, Mars
The elliptical path of a planet around the Sun.
What is Orbit?
The large four gas giants.
What are Jupiter, Saturn, Uranus, and Neptune?
If a scientist in his lab drops a feather and a hammer to test the effect of gravity on their fall, which would hit the ground first?
They would land at the same time.
The order that small piece of asteroid goes through from space, to Earth's atmosphere, to landing on the surface.
What is Meteoroid, Meteor, Meteorite
What is the effect a planet's mass has on its gravitational pull?
The smaller mass has less gravitational pull and a larger mass has a greater gravitational pull.