Unit 1
In 585 B.C., who predicted a near-total solar eclipse with scientific means?
What is Newton’s First Law of Motion?
An object at rest remains at rest, and an object in motion remains in motion at a constant velocity, unless acted upon by an unbalanced force.
What is Newton’s Third Law of Motion?
When one object exerts a force on a second object, that second object exerts a force that is equal in magnitude and opposite in direction on the first object.
Who was the first space scientist?
Nicolaus Copernicus
What is the difference between Rocky Planets and Gas Giants?
Rocky Planets have a physical surface while Gas Giants does not.
_____ developed many scientific theories, some of which lasted for over a thousand years.
Aristotle
What is Newton’s Second Law of Motion?
The rate of change of momentum of an object is directly proportional to the force applied, or, for an object with constant mass, that the net force on an object is equal to the mass of that object multiplied by the acceleration.
What happens when two positive and two negatives touch each other in a magnet?
They push away from each other.
What did Nicolaus Copernicus do to show his knowledge of space science?
Copernicus published a book explaining a model in which the Sun was the center of the universe.
How many planets are in the Universe (not including the Sun)?
There are eight planets in the solar system.
_____ developed a method of inquiry, which means a method for asking questions.
Socrates
What does a velocity-time graph show?
It shows the velocity of an object for every second, minute, or hour.
What type of material is affected by magnets?
All metals are affected by magnets.
Why was Copernicus’s idea about the Universe shunned?
It is because everyone believed that the Earth was the center of the Universe until it was later proven it was not.
What causes the seasons on Earth?
The Earth’s axis cause the seasons because while the Earth orbits the Sun the axis rotate towards and away from the sun.