Which of the following are two factors that determine speed?
a) acceleration and time
b) velocity and time
c) distance and time
d) motion and time
c) distance and time
100
What is the SI unit for energy?
Joule
100
What is wavelength a measurement of?
The distance between two like points on a wave
100
What do we call the vertical columns within the periodic table:
A) groups
B) periods
A) groups
100
The substance(s) that are present after a chemical reaction are considered the:
A) catalysts
B) inhibitors
C) reactants
D) products
D) products
200
What is the difference between speed and velocity?
velocity has direction, and speed does not
200
What type of energy is used during photosynthesis?
Radiant energy (light energy)
200
Waves transfer:
A) energy
B) matter
C) energy & matter
D) neither energy nor matter
A) energy
200
What is the same within each group (vertical column) on the periodic table:
A) # of protons
B)# of electrons
C) # of atoms
D) # of valence electrons
D) # of valence electrons.
200
The substances present before a chemical reaction are considered the:
A) catalysts
B) coefficients
C) products
D) reactants
D) reactants
300
What is the net force on an object when you combine a force of 10 N north with a force of 5 N south?
5 N south
300
When you stretch a rubber band which type of energy does it have?
A) kinetic energy
B) thermal energy
C) elastic potential energy
D) mechanical energy
C) elastic potential energy
300
Which of the following waves require a medium:
A) visible light
B) X ray
C) microwave
D) sound wave
D) sound wave
300
What represents the number of protons in an atom?
The atomic number
300
In an endothermic reaction energy is:
A) destroyed
B) released
C) created
D) taken in
D) taken in
400
Dividing the total distance traveled by the total time traveled is how to calculate:
A) average speed
B)average acceleration
C) average velocity
D) average motion
A) average speed
400
When you eat fruits and vegetables, which type of energy are you taking in?
chemical energy
400
The frequency of a sound wave determines:
A) the pitch
B) the loudness
C) sound quality
D) type of wave interference
A) the pitch
400
Why don't noble gases form bonds easily?
They have full outer electron energy levels
400
What type of bond forms when electrons are transferred from one atom to another?
Ionic Bond
500
Assuming 1 kg = 1,000 g, a 5 kg object has less inertia than an object with the mass of:
A) 4 kg
B) 6,000 g
C) 2 kg
D) 1,500 g
B) 6,000 g
500
Which of the following is the equation used to calculate gravitational potential energy:
A) 1/2m x 1/2h
B) h x g
C) m x g x h
D) 1/2h x g
C) m x g x h
500
If a wave is traveling at a certain speed and its frequency is doubled, what happens its wavelength?
It is cut in half
500
How many electrons fill the outermost energy level of an atom:
A) 4
B) 8
C) 6
D) 10