chemistry
what is the PH of 7
Neuteral
What is the formula for calculating speed?
Speed = Distance / Time
what is the crest to crest
wavelength
what type of galaxy do we live in? also known as the milky way
spiral galaxy
what is the PH of 1
A acid
What is the unit of force in the International System of Units (SI)? The unit of force is the Newton (N)
Newton (N)
The higher the frequency of a wave the__________ the energy.
higher
what kind of star is the sun in on our HR diagram?
Main sequence
what are atoms specifically
An atom is the smallest recognized division of a chemical element and is made up of three particles: the proton, neutron and electron.
What is the law of inertia?
An object at rest stays at rest, and an object in motion stays in motion unless acted upon by a net external force
Which color contains all the colors
White
describe the blue giants
blue (warm/hot) and giant
what is the periodic table? (explained)
The Periodic Table is how scientists have organised the 100+ elements that make up all matter.
What is the effect of gravity on objects?
Gravity pulls objects toward the center of the Earth, giving them weight
The number of wave cycles per unit of time?
Frequency
Are white dwarf stars brighter or dimmer than red stars?
White dwarf stars are typically much brighter than Red stars.
What is the PH of 8
A base
What is potential energy?
the energy stored in an object due to its position or state
Light does not require a ___ meaning it travels through a vacuum
Medium
which galaxy is shaped like a pinwheel.
spiral galaxy