beginning of the year
Space
time travel
Random
mystery
100
What is the difference between speed and velocity?
Velocity includes direction, and speed does not.
100
What does the HR diagram compare?
Temperature and Velocity
100
What Period comes after the carboniferous period?
The permian period.
100
what is the equation of force?
F= Mass times acceleration
100
What is frequency measured in?
HZ
200
Define Inertia
The tendency of an object to resists change in motion.
200
Why are the reasons for seasons?
Earths axis and earths revolution
200
About how long ago did the precambrian period start?
4.5 BYA
200
A lever turns back and forth on a _________
Fulcrum
200
What is an Equinox?
When day and night are equal.
300
What are the equations for kinetic energy and gravitational potential energy?
KE= one half mass and velocity squared GPE= MGH
300
What is a penumbra and a umbra?
Penumbra- partial eclipse/almost full shadow cast Umbra-total eclipse/full Shadow
300
When did heavy bombardment of meteorites stop hitting the earth?
3800 MA
300
A 10kg bowling ball would require what force to accelerate down a hall at a rate of 3m/s squared?
10kg times 3m/s squared =30N
300
What is medium? (Related to waves)
Any substance a wave can travel through.
400
What are the five forms of energy, and define them.
Heat- The internal motion of atoms Chemical- Energy stored in the bonds of atoms and molecules Electromagnetic- Energy in the form of waves Nuclear- When the nucleus of atoms split Mechanical- Acquired energy by having work done to an object
400
What are magnetic fields responsible for?
Magnetic fields are responsible for sun spots and solar flares
400
What were five of the main animals during the Cambrian/Ordovician period?
Possible answers... trilobite ammonite mollusk arthropods sponges mollusks
400
When is the Autumnal Equinox, Winter solstice,Vernal Equinox and summer solstice?
Autumnal Equinox- Sep 22 Winter solstice- Dec 21 Vernal Equinox- March 20 Summer solstice- June 20
400
How many moons does Jupiter have?
Jupiter has 67 known moons.
500
Define magnetism and a circuit.
Magnetism- A force created by electric currents Circuit- A closed path or a loop around wich an eletric current flows.
500
What is a corona?
The thinnest most outer layer of the sun
500
Define relative dating, the law of superposition, and absolute dating.
Relative dating- know the order of events but not the actual dates The law of superposition- oldest layers of rocks at the bottom and youngest layers of rocks at the top Absolute dating- The exact age of a rock
500
What is the intensity of sound measured in? (pg 47 in notebook)
Decibels
500
What is the wave length of an Infrared Wave?
Around 813nm
M
e
n
u