Newton's Law
30 mph west is an example of
Velocity
Work is measured in
Joules
Name one subatomic particle found inside the nucleus
Proton or Neutron
unit for speed
m/s mph
Electrons in the outermost orbital are called
Valence electron
A lamp sitting on a table is demonstrating Newton’s ______ Law?
First
A weightlifter lifts a weight with 100N of force. He raises it over his head to a level of five meters. How much work has he done?
500J
Sodium has 11 proton and the atomic mass is 23 ,how many Neutron does it have
12
Tell a Joke so all class will laugh
:)
Charged particles called_____ produced during ionic bonds.
Ions
If the acceleration is 600m/s/s and the mass is 300kg, calculate the force?
180000 N
This machine is sometimes called a ramp and is used when lifting a load too heavy to lift
straight up.
Inclined Plane
______are made up of two or more atoms.
molecules
Quiz
Free Points :)
Non-metal elements bond with non-metal elements to create a/an
covalent bond.
If the acceleration is 600m/s/s and the mass is 300kg, calculate the force?
5 Kg
The _______________________ the wedge is, the easier the work is.
thinner / sharper
In a chemical equation, the _______________ tells the number of molecules participating in the reaction.
coefficient
Mr. Smith is traveling from Houston, TX to Dallas, TX. It takes 4 hours to make the 224
mile trip. What is his velocity? ___________
56 mph North or Northwest
Bonds form because atoms are seeking______
stability
A force that causes an object to slow down when it touches another object is
friction
A________ uses a wheel and rope to change the direction and/or force of an object.
Pulley
The ______________ in a formula tells the number of atoms of each element present.
subscript
A golf ball is hit a distance of 300 yards in 10 sec. What is the speed of the golf ball?
30 yards/s
List 3 properties of compounds formed from ionic bonds.
Solid at ordinary temperatures or crystal lattice
always exothermic or high melting/boiling point
soluble in water