Atoms and Periodic Table
How many elements are there?
118 elements
What are balanced and unbalanced forces?
Balanced Forces are forces that push on an object equally or if there is no force at all.
Unbalanced Forces are when one force is stronger than the other.
What are the three types of plate boundaries?
Convergent, Divergent, and Transform boundaries
What causes the phases of the moon?
The movement of the moon and reflection of light from the sun.
Where is the sun in the Hertzsprung Russell diagram?
Around average
What makes up an atom?
Protons, Neutrons, and Electrons
What is force measured in?
Newtons
What theory stated that the continents of the world are actually moving?
Continental Drift
Why are tides formed?
Tides are formed by the gravity of the moon.
What happens to stars when they are in their final phase?
They grow giant until they either burn out and die or explode in a supernova depending on which star it is
What charges do the Protons, Neutrons, and Electrons have?
Protons have a positive charge, Neutrons have a neutral or no charge, and Electrons have a negative charge
Who discovered Forces and Motion and who created the laws of Motion?
Issac Newton and Newton's laws of Motion
What are volcanos formed by?
Volcanos are caused by subduction boundaries
Why does the moon rotate the Earth and Sun?
The gravitational pull of Earth keeps the moon in orbit
What are the 3 main types of galaxies?
Spiral, Elliptical, and Irregular
What are a huge amount of the elements made of including the first and second groups?
A form of metal
What is Net Force?
The total force on an object
What is the process of a rock breaking down called?
Weathering
What will happen to the moon in millions if not billions of years?
The moon will either leave orbit or crash into Earth
What are the aftermaths of a supernova?
Which group has the least reactive elements?
The Noble Gases
If one force is pushing right and is stronger than the other force pushing left, which direction does the object that is being pushed by the forces going?
Right
When did Pangea break apart?
280 to 230 million years ago
If the moon never existed, then what would be impacted?
Tides and light in the night sky would both be heavily impacted if the moon wasn't there
What will happen to the sun in 5 billion years?
The sun will become a Red Giant