Science - 8th grade
Energy is..
The ability to make things move or change!
Which one will get hotter, the dark or the light surface?
dark
The range of pH
0-14
How many layers of the atmosphere are there?
When was the United States of America founded
1776
What is inertia?
The law that states, objects will keep doing what they are already doing!
Thermal expansion
An increase in a volume as the temperature increases.
5 Steps of the Scientific Method
Observe, Hypothesize, Experiment, Data Collection, Conclude
Name the levels of the earth in order from outside in
Crust, mantle, outer core, inner core
Who was the 4th president?
James Madison
What physical change indicates a chemical change
wood burning, rust, color change, etc.
Hot air ...
rises!
What is thermal equilibrium
When the temperature of the object and the environment balance
We breathe in this level of the atmosphere
Troposhpere
What is the capital of the US
Washington, DC
What is weight?
Force of Gravity
When the thermal energy of a gas increases
the motions of the particles speeds up
What is a chemical equation
a symbolic representation of a chemical reaction, using formulas and symbols to show the conversion of reactants into products.
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!!!
Freezing is the opposite of
Melting
What are the proteins that determine your blood type called
antigens
Uranium has how many protons?
How many capitals are in the United States?
51