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WorksheetsSemester Final Practice Test #1
Total questions: 32
Worksheet time: 25mins
The slope on a velocity/time graph
(a)
Tendency of an object to resist a change in motion
(a)
Mass x Velocity
(a)
Amount of energy to increase temp of 1 kg of a substance by 1 degree Celsius
(a)
An object that absorbs all electromagnetic radiation
(a)
a collision where all kinetic energy is conserved because the object bounces back to where it started
(a)
An atom with a different number of electrons
(a)
Seconds per oscillation of a wave
(a)
Rotational force x distance
(a)
Joining two atoms into one larger atom
(a)
Perceived change in color due to angle and diffraction/refraction (rainbows in bubbles) (colors in a CD)
(a)
Name for the quantized (chunked) unit of light energy
(a)
Bending of a wave around a barrier or through an opening
(a)
When a substance absorbs a high-energy photon and emits a lower energy photon
(a)
Energy of position, PE=mgh
(a)
Change in position over a change in time
(a)
Electrical component that limits the direction that electricity can flow in a circuit
(a)
Which of the following statements is true?
The Bohr model of the atom improved the Thomson model by putting the electrons into orderly rings
The Thomson model of the atom improved the Rutherford model by putting the electrons around the nucleus, instead of embedded inside
The Rutherford model of the atom improved the Thomson model by putting the electrons into orderly rings
The Rutherford model of the atom improved the Thomson model by putting the electrons around the nucleus, instead of embedded inside
Which of these is an example of the Second Law of Thermodynamics?
Scientists cannot create temperatures below -273.15 degrees Celsius
It is easier for a system to be messy than it is for it to be clean
Heat and Work are related
Select all of the following that correctly match wave types with examples.
Longitudinal waves-- sound, worms
Transverse waves-- ocean waves, light
Longitudinal waves-- "the wave" at a stadium
Transverse waves-- traffic jams
What does "wave particle duality" mean?
Waves can interact with things that are made of particles, but particles cannot interact with waves
Light will sometimes act like it is a wave, but will also sometimes act like it is a particle
Particles will travel faster when there is a wave, and waves will travel faster when there are particles
Sound acts like a wave even though it is made of particles
Which of these are examples of Hadrons?
Neutron
Proton
Electron
Quark
Neutrino
Select all of the statements that are true about this image
It has three antinodes
It has four nodes
It has two nodes
It is a third harmonic wave
It has three wavelengths
Where on a Merry-Go-Round would you expect to experience the most Centripetal Force?
sitting in the center
sitting halfway between the center and the outside
sitting on the outer edge
flying through the air after falling off of the merry-go-round
Bob buys a lot of gum. If Bob chews two stick of gum an hour for an entire school day (7.5 hours) and each stick weighs 2.2 grams, how many grams of gum will he consume in a school year (180 days)?
5940 grams
2970 grams
2700 grams
2340 grams
How much thermal energy must be removed from 0.2kg of water at 20°C to make ice cubes?
16744 J
16744 W
66600 J
83344 J
83344 W
Bob the scientist has a device that emits an electromagnetic wave with a wavelength of 6.4 x 10^(-10) m. What could Bob use his device for?
Visible light
microwaves
ultraviolet light
radio waves
X rays
Two objects have an electrostatic force between them of 15 Units. If the mass of one object triples, the mass of the other object halves, and the distance between them is doubled, what will the new force be?
22.5 Units
5.625 Units
11.25 Units
45 Units
90 Units
A solenoid is 0.2 meters long and is composed of 4000 loops. What will the field strength be if 0.5 Amps is run through it?
0.13 Teslas
6.3 x 10^-3 Teslas
1.3 x 10^-3 Teslas
0.63 Teslas
If each resistor in this image is 5 ohms and the battery is 9 volts, what is the power?
5.4 Watts
0.6 Watts
150 Watts
48.6 Watts
A photon in an electromagnetic wave has 4 x10^-23 Joules of energy. Where would you expect to find it on the electromagnetic spectrum?
Radio waves
Microwaves
Infrared waves
Visible Light
Ultraviolet
A Magnesium-24 atom is one of the products of Beta- decay. What atom did you start with?
Sodium-24
Aluminum-24
Magnesium-25
Magnesium-23
