Math
I walked 4 meters south and then turned and walked 6 meters west. What is my total DISTANCE?
10 Meters
If I mix kool-aid into my water have I created a homogenous or heterogenous mixture?
Homogenous
Name all 3 types of radioactive particles
Alpha, Beta, Gamma
Name a sign that chemical reaction has occurred.
Color Change, Odor, Precipitate, Energy Release, etc...
Which part of an atom is NEGATIVELY charged?
The Electron
I walked south 4 meters and then turned and walked west 6 meters. What was my total DISPLACEMENT?
7.2 Meters SW
What is this compound called?
Ca(C2H3O2)2
Calcium Acetate
Is chewing your food a physical or chemical change?
Physical Change
Is the bond holding together Lithium Oxide an Ionic Bond or a Covalent Bond?
Ionic Bond
Where in the atom can PROTONS be found?
In the nucleus.
While driving at 20 m/s I come to a complete stop in 15 seconds. What is my ACCELERATION?
-1.33 m/s/s
Balance this equation
___C2H2 + ___ O2 ---> ___ CO2 + ___ H2O
2 C2H2 + 5 O2 ---> 4 CO2 + 2 H2O
Newton's First Law // The Law of Inertia
If two waves collide and the resulting wave has a LARGER amplitude than either of the original waves what kind of interference happened?
Constructive Interference
REMATCH!
Name a manmade element
Anything after Uranium
A box with a mass of 20kg sits on a shelf raised 5 m off of the ground. How much potential energy does it have?
980 J
What is the oxidation number of a neutral atom of Boron?
+3
What is the Phase Change from Gas to Solid called?
Deposition
Do I have more potential or kinetic energy at the TOP of my arc on a swing set?
Potential
How many VALENCE Electrons does a neutral atom of Phosphorous have?
5
How much Electrical Power is being produced by a wire with a current of 35 amps and a resistance of 12 ohms?
Voltage = Current x Resistance = 35 x 12
420 Volts
Power = Voltage x Current = 420 x 35
14,700 Watts
Balance this equation!
___Ca(OH)2 + ___ H3PO4 ---> ___ Ca3(PO4)2 + ___ H2O
3 Ca(OH)2 + 2 H3PO4 ---> 1 Ca3(PO4)2 + 6 H2O
Which of Newton's Laws states that an object with more mass requires more force to accelerate?
Newton's 2nd Law
F=MA
What are the products of a neutralization reaction?
Name a METALLOID element
Boron, Silicon, Germanium, Arsenic, Antimony, Tellurium , Polonium, Astatine