Earth, Sun, and Moon System
How long is the moon cycle or how long does it take moon to orbit Earth?
28.5 days, 29, 30 days or 1 month
The force of attraction among all objects.
Gravity
All matter is made of what?
Atoms
What evidence do we have that there are plate boundaries around the ring of fire?
Earthquakes and volcanoes
What is a solar system.
When planets revolve around a star.
What do we experience on Earth as a result of the Earth's rotation?
Day and Night
The sun is composed of these two elements.
H and He
Jeopardy: What is a molecule?
has 2 or more atoms bonded together.
What are the three main types of plate boundaries?
Convergent, divergent, and transform
What are the four terrestrial planets?
Mercury, venus, earth, and mars
New moon to full moon takes this duration
14 days or 2 weeks
How old do scientists think the Universe is?
13.8 billion yrs old
What do we call material with a regular, repeating arrangement of atoms?
Crystal
What are the large, thick pieces into which the lithosphere is broken called?
Lithosphere
What is the difference between a true planet and a dwarf planet?
A dwarf planet has not cleared its path of debri.
What happens when the moon blocks sunlight from reaching the Earth?
Solar Eclipse
Tendency of a moving object to stay in motion.
Inertia
C6H12O6 is what type of molecule?
Compound
What are two pieces of evidence that the theory of continental drift is happening?
1. Fossil correlation
2. Continenets fit together like a puzzle
3. Rocks match up
The farther away a planet is form the sun, the ________ the orbital period.
longer or larger
What causes seasons?
The revolution of earth around the sun on it's axis.
A large collection of stars, gas, and dust that is held together by gravity.
Galaxy
What are the three parts of an atom?
Protons, neutrons, and electrons
Why does the earth not get bigger if new seafloor is always made?
Subduction recycles old seafloor into new seafloor.
Two factors affecting the strength of the force of gravity between 2 objects are...
Mass and distance