8th Grade Science
Energy is..
The ability to make things move or change!
What is natural selection?
The gradual change of a species over time as it adapts to its environment
72 x 91=
Answer 441
4
What is the state capital of California?
Sacramento
What is inertia?
The law that states, objects will keep doing what they are already doing!
A moving electric charge generates...
a magnetic field
Solve 2x-8=10
x=9
Name the levels of the earth in order from outside in
Crust, mantle, outer core, inner core
Who was the 44th president?
Barack Hussein Obama
How old is the Earth?
4.6 Billion Years old!
The two types of waves (not light/sound!)
Transverse and longitudinal
How can you tell if an equation has no solution?
All variables are gone and the left and right side are not equal
We breathe in this level of the atmosphere
Troposhpere
What is the capital of the US?
Washington, DC
Gravity!
The geologic time scale in order from largest to smallest lengths of time
Eon, era, period, epoch
What is 9x9x9
729
What is the equation for photosynthesis
Carbon dioxide + energy + water = glucose/sugar + Oxygen
What was the 14th amendment?
thereby granting citizenship to formerly enslaved people
What direction does light travel?
IN A STRAIGHT LINE!!!
Newton's Law of Universal Gravitation
F= g ( (m1*m2) / d2 )
The Pythagorean Theorem
a2 + b2 = c2
Uranium has how many protons?
How many territories does the US have?