Does the moon rotate?
No, humans only see one side.
Name Newton's laws of gravity.
Law of Inertia
Law of Force and Acceleration
Law of Action-Reaction
What is a period? What is a group (also called a family)?
A period is a horizontal row in the periodic table. A group is a vertical column in the periodic table.
Where are stars born?
A nebulae.
How many phases are in one complete moon cycle?
Eight
What is the law of inertia?
An object in motion stays in motion until acted upon by another force.
What can you find from an element's atomic number?
The elements protons and typically electrons.
What is the explosion of a star?
A supernova.
Approx. 29.5 days.
What is the law of force and acceleration?
The acceleration of an object depends on the mass of the object and the force applied.
What groups are the transition metals?
Groups 3-12
Name the colors a star can be, from coldest to hottest.
*According to H-R diagram*
Red
Orange
Yellow
White
Blue
Name all 8 phases from begin to finish.
New Moon, Waxing Crescent, First Quarter, Waxing Gibbous, Full Moon, Waning Gibbous, Third quarter, Waning Crescent
What is the law of action-reaction
Every action has an equal and opposite reaction.
What are the noble gases?
Helium
Neon
Argon
Krypton
Xenon
Radon
According to the H-R diagram, what stage is our sun in?
The sun is in Main Sequence.
How does the phase of the moon effect the tides?
Different phases of the moon cycle have different gravitational pulls and alignment with the sun and Earth.
An object with an unknown mass accelerates 8.0 m/s2 when a force of 40 N is applied to it. What is the mass in kg?
*force=mass x acceleration*
M= 5 Kg
State the number of valence electrons in an atom of:
a. sulfur b. calcium c. chlorine d. arsenic
a. sulfur 6
b. calcium 2
c. chlorine 7
d. arsenic 5
Name what stage the described star is in with the given characteristics, according to H-R diagram:
10,000 K°
White
Small
Low luminosity
The characteristics describe white dwarfs.